WoRMS source details

Richmond, M. (Ed.) (1997). A guide to the seashores of Eastern Africa and the Western Indian Ocean islands. Sida/Department for Research Cooperation, SAREC: Stockholm, Sweden. ISBN 91-630-4594-X. 448 pp.
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Acanthopleura gemmata (Blainville, 1825) (basis of record)
Acanthopleura haddoni Winckworth, 1927 accepted as Acanthopleura vaillantii Rochebrune, 1882 (source of synonymy)
Acanthopleura haddoni Winckworth, 1927 accepted as Acanthopleura vaillantii Rochebrune, 1882 (basis of record)
Acanthopleura spinosa (Bruguière, 1792) (basis of record)
Acmaea saccharina (Linnaeus, 1758) accepted as Patelloida saccharina (Linnaeus, 1758) (source of synonymy)
Acromitus flagellatus (Haeckel) (basis of record)
Aglaophenia cupressina Lamouroux, 1816 (basis of record)
Alatina alata (Reynaud, 1830) (additional source)
Amaea acuminata (Sowerby II, 1844) accepted as Acrilla acuminata (G. B. Sowerby II, 1844) (basis of record)
Amphiura (Amphiura) dejectoides H.L. Clark, 1939 (source of synonymy)
Architectonica perspectiva (Linnaeus, 1758) (additional source)
Asteronotus cespitosus (van Hasselt, 1824) (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Axinella carteri (Dendy, 1889) accepted as Stylissa carteri (Dendy, 1889) (additional source)
Biemna fistulosa (Topsent, 1897) (additional source)
Biemna fortis (Topsent, 1897) (additional source)
Bursa rubeta (Linnaeus, 1758) accepted as Tutufa (Tutufella) rubeta (Linnaeus, 1758) represented as Tutufa rubeta (Linnaeus, 1758) (source of synonymy)
Bursatella leachi [sic] accepted as Bursatella leachii Blainville, 1817 (basis of record)
Cantharus fumosus (Dillwyn, 1817) accepted as Pollia fumosa (Dillwyn, 1817) (additional source)
Cantharus undosus (Linnaeus, 1758) accepted as Pollia undosa (Linnaeus, 1758) (additional source)
Cassiopea andromeda (Forsskål, 1775) (additional source)
Cassiopea depressa Haeckel, 1880 (basis of record)
Cassis glauca (Linnaeus, 1758) accepted as Phalium glaucum (Linnaeus, 1758) (source of synonymy)
Catostylus mosaicus (Quoy & Gaimard, 1824) (basis of record)
Catostylus perezi Ranson, 1945 (basis of record)
Catostylus viridiscens (Chun) (basis of record)
Cellana capensis (Gmelin, 1791) accepted as Cellana radiata capensis (Gmelin, 1791) (additional source)
Cephea Péron & Lesueur, 1810 (basis of record)
Cephea cephea (Forskål, 1775) (basis of record)
Cheilea papyracea (Reeve, 1858) accepted as Cheilea equestris (Linnaeus, 1758) (basis of record)
Chelidonura amoena Bergh, 1905 (basis of record)
Chelidonura electra Rudman, 1970 (additional source)
Chiropsalmus quadrumanus (F. Muller, 1859) (basis of record)
Chrysaora quinquecirrha (Desor, 1848) (basis of record)
Cinachyrella voeltzkowii (Lendenfeld, 1897) accepted as Cinachyrella arabica (Carter, 1869) (basis of record)
Clathria frondifera (Bowerbank, 1875) accepted as Clathria (Thalysias) vulpina (Lamarck, 1814) (basis of record)
Clypeomorus bifasciata (G. B. Sowerby II, 1855) (additional source)
Clypeomorus morus (Lamarck, 1822) accepted as Clypeomorus bifasciata (G. B. Sowerby II, 1855) (source of synonymy)
Conus litoglyphus Hwass in Bruguière, 1792 (additional source)
Crambionella orsini (Vanhöffen) (basis of record)
Cronia konkanensis (Melvill, 1893) accepted as Semiricinula konkanensis (Melvill, 1893) (basis of record)
Cyanea nozaki accepted as Cyanea nozakii Kishinouye, 1891 (basis of record)
Cymatium tuberosum (Lamarck, 1822) accepted as Gutturnium muricinum (Röding, 1798) (source of synonymy)
Dendropoma corallinaceum (Tomlin, 1939) (additional source)
Dentalium bisexangulatum G. B. Sowerby II, 1860 (additional source)
Diala lauta (Adams, 1862) accepted as Diala suturalis (A. Adams, 1853) (basis of record)
Diplulmaris antarctica Maas, 1908 (basis of record)
Discodoris fragilis (Alder & Hancock, 1864) accepted as Sebadoris fragilis (Alder & Hancock, 1864) (additional source)
Drupa fusconigra (Dunker, 1871) accepted as Semiricinula squamosa (Pease, 1868) (basis of record)
Elysia ornata (Swainson, 1840) (additional source)
Engina mendicaria (Linnaeus, 1758) (basis of record)
Euryspongia lactea Row, 1911 (additional source)
Eutritonium tuberosum (Lamarck, 1822) accepted as Gutturnium muricinum (Röding, 1798) (source of synonymy)
Ficus gracilis (G. B. Sowerby I, 1825) (additional source)
Ficus subintermedius [sic] † accepted as Ficus subintermedia (d'Orbigny, 1852) † (misapplication)
Fryeria marindica (Yonow & Hayward, 1991) accepted as Phyllidia marindica (Yonow & Hayward, 1991) (basis of record)
Geodia crustosa Bösraug, 1913 (basis of record)
Gibbula capensis (Gmelin, 1791) (additional source)
Gibbula townsendi G. B. Sowerby III, 1895 accepted as Agagus agagus Jousseaume, 1894 (additional source)
Glossodoris atromarginata (Cuvier, 1804) accepted as Doriprismatica atromarginata (Cuvier, 1804) (basis of record)
Glossodoris plumbea (Pagenstecher, 1877) accepted as Doriprismatica plumbea (Pagenstecher, 1877) (basis of record)
Gutturnium muricinum (Röding, 1798) (source of synonymy)
Haliclona (Reniera) debilis Pulitzer-Finali, 1993 (additional source)
Haliclona bawiana (Lendenfeld, 1897) (additional source)
Hexabranchus marginatus (Quoy & Gaimard, 1832) accepted as Hexabranchus sanguineus (Rüppell & Leuckart, 1830) (basis of record)
Hyrtios erecta (Keller, 1889) accepted as Hyrtios erectus (Keller, 1889) (additional source)
Idiellana pristis (Lamouroux, 1816) (basis of record)
Kerasemna humilis (Thiele, 1903) accepted as Biemna humilis Thiele, 1903 (source of synonymy)
Linuche unguiculata (Schwartz, 1788) (basis of record)
Liosina paradoxa Thiele, 1899 (additional source)
Lissodendoryx (Lissodendoryx) monticularis Baer, 1906 (additional source)
Macrorhynchia philippina Kirchenpauer, 1872 (additional source)
Malea pommum (Linnaeus, 1758) accepted as Malea pomum (Linnaeus, 1758) (basis of record)
Margaretta tenuis Harmer, 1957 (basis of record)
Mastigias ocellatus (basis of record)
Mastigias papua (Lesson) (basis of record)
Megalactis hemprichii Ehrenberg, 1834 (basis of record)
Melibe pilosa Pease, 1860 (additional source)
Merica melanostoma (G. B. Sowerby II, 1849) (basis of record)
Mitra (Strigatella) scutulata (Gmelin, 1791) accepted as Strigatella scutulata (Gmelin, 1791) (additional source)
Mitra brunnea (Pease, 1868) accepted as Mitra fastigium Reeve, 1845 accepted as Strigatella fastigium (Reeve, 1845) (additional source)
Mitra nitilina (Spry, 1961) accepted as Mitra fastigium Reeve, 1845 accepted as Strigatella fastigium (Reeve, 1845) (basis of record)
Mitra oleacea Reeve, 1844 accepted as Vexillum oleacea (Reeve, 1844) (additional source)
Morula margariticola (Broderip in Broderip & Sowerby, 1833) accepted as Drupella margariticola (Broderip, 1833) (basis of record)
Nassarius echinatus (A. Adams, 1852) (basis of record)
Nerita plexa Dillwyn, 1817 accepted as Nerita textilis Gmelin, 1791 (source of synonymy)
Nerita textilis Gmelin, 1791 (additional source)
Ophiomastix bispinosa H.L. Clark, 1917 accepted as Ophiomastix variabilis Koehler, 1905 (source of synonymy)
Ophiomastix notabilis H.L. Clark, 1938 accepted as Ophiomastix variabilis Koehler, 1905 (source of synonymy)
Ophiopeza dubiosa (de Loriol, 1893) accepted as Ophiopeza spinosa (Ljungman, 1867) (source of synonymy)
Ophiopezella dubiosa de Loriol, 1893 accepted as Ophiopeza spinosa (Ljungman, 1867) (source of synonymy)
Oxystele tabularis (Krauss, 1848) (additional source)
Paradexamine rewa Myers, 1985 (basis of record)
Paratetilla Dendy, 1905 (additional source)
Pectinura fallax (Peters, 1851) accepted as Ophiopeza fallax fallax Peters, 1851 (source of synonymy)
Pelagia panopyra Péron & Lesueur (basis of record)
Pelamis platura Linnaeus, 1766 (basis of record)
Phakellia cavernosa (Dendy, 1922) accepted as Acanthella cavernosa Dendy, 1922 (source of synonymy)
Phenacolepas galathea (Lamarck, 1819) (basis of record)
Phyllidia arabica Ehrenberg, 1831 accepted as Phyllidia varicosa Lamarck, 1801 (basis of record)
Central Atlantic Ocean for Gnathophyllum americanum Guérin-Méneville, 1855 [in Guérin-Méneville, 1855-1856] 
Central Pacific Basin for Sesarma rousseauxi 
Chagos for Chromodoris tennentana (Kelaart, 1859) 
Circumtropical for Axiopsis serratifrons (A. Milne-Edwards, 1873) 
Circumtropical for Leander tenuicornis (Say, 1818) 
Circumtropical for Stenopus hispidus (Olivier, 1811) 
East Africa for Chiromantes eulimene (de Man in Weber, 1897) 
East African Coral Coast for Geodia crustosa Bösraug, 1913 
East African Coral Coast for Liosina paradoxa Thiele, 1899 
East African Coral Coast for Sigmadocia amboinensis (Lévi, 1961) 
India for Nematopalaemon tenuipes (Henderson, 1893) 
Indian Exclusive Economic Zone for Periclimenes soror Nobili, 1904 
Indian Ocean for Charybdis (Charybdis) natator (Herbst, 1794) 
Indian Ocean for Elamena sindensis Alcock, 1900 
Indian Ocean for Selatium elongatum (A. Milne-Edwards, 1869) 
Indian Ocean for Uca (Cranuca) inversa (Hoffmann, 1874) 
Indian Ocean for Uca (Tubuca) urvillei (H. Milne Edwards, 1852) 
Indian Ocean for Uca vocans excisa (Nobili, 1906) 
Indo-Pacific for Actaeodes hirsutissimus (Rüppell, 1830) 
Indo-Pacific for Actaeodes tomentosus (H. Milne Edwards, 1834) 
Indo-Pacific for Allogalathea elegans (Adams & White, 1848) 
Indo-Pacific for Alpheus Fabricius, 1798 
Indo-Pacific for Alpheus deuteropus Hilgendorf, 1879 
Indo-Pacific for Alpheus frontalis H. Milne Edwards, 1837 [in H. Milne Edwards, 1834-1840] 
Indo-Pacific for Alpheus lottini Guérin-Méneville, 1838 [in Guérin-Méneville, 1829-1838] 
Indo-Pacific for Alpheus microstylus (Spence Bate, 1888) 
Indo-Pacific for Anchistus custos (Forskål, 1775) 
Indo-Pacific for Atergatis floridus (Linnaeus, 1767) 
Indo-Pacific for Athanas dorsalis 
Indo-Pacific for Calappa hepatica (Linnaeus, 1758) 
Indo-Pacific for Calcinus latens (Randall, 1840) 
Indo-Pacific for Cardisoma carnifex (Herbst, 1796) 
Indo-Pacific for Ciliopagurus strigatus (Herbst, 1804) 
Indo-Pacific for Clibanarius longitarsus (De Haan, 1849) 
Indo-Pacific for Conchodytes meleagrinae Peters, 1852 
Indo-Pacific for Coralliocaris superba (Dana, 1852) 
Indo-Pacific for Dardanus lagopodes (Forskål, 1775) 
Indo-Pacific for Epixanthus frontalis (H. Milne Edwards, 1834) 
Indo-Pacific for Etisus laevimanus Randall, 1840 
Indo-Pacific for Galathea Fabricius, 1793 
Indo-Pacific for Galathea elegans Adams & White, 1848 
Indo-Pacific for Gnathophyllum americanum Guérin-Méneville, 1855 [in Guérin-Méneville, 1855-1856] 
Indo-Pacific for Grapsus tenuicrustatus (Herbst, 1783) 
Indo-Pacific for Harpiliopsis depressa (Stimpson, 1860) 
Indo-Pacific for Hippolyte ventricosa H. Milne Edwards, 1837 [in H. Milne Edwards, 1834-1840] 
Indo-Pacific for Hymenocera picta Dana, 1852 
Indo-Pacific for Ischnopontonia lophos (Barnard, 1962) 
Indo-Pacific for Jocaste lucina (Nobili, 1901) 
Indo-Pacific for Latreutes mucronatus (Stimpson, 1860) 
Indo-Pacific for Lissocarcinus orbicularis Dana, 1852 
Indo-Pacific for Lydia annulipes (H. Milne-Edwards, 1834) 
Indo-Pacific for Lysmata amboinensis (de Man, 1888) 
Indo-Pacific for Matuta lunaris (Forskål, 1775) 
Indo-Pacific for Menaethius monoceros (Latreille, 1825) 
Indo-Pacific for Metopograpsus thukuhar (Owen, 1839) 
Indo-Pacific for Neopetrolisthes maculatus (H. Milne Edwards, 1837) 
Indo-Pacific for Ocypode ceratophthalmus (Pallas, 1772) 
Indo-Pacific for Ocypode cordimana Latreille, 1818 
Indo-Pacific for Pachygrapsus plicatus (H. Milne Edwards, 1837) 
Indo-Pacific for Palaemon pacificus (Stimpson, 1860) 
Indo-Pacific for Palaemonella rotumana (Borradaile, 1898) 
Indo-Pacific for Palinurellus wieneckii (de Man, 1881) 
Indo-Pacific for Palinurus ornatus Fabricius, 1798 
Indo-Pacific for Panulirus penicillatus (Olivier, 1791) 
Indo-Pacific for Percnon planissimum (Herbst, 1804) 
Indo-Pacific for Periclimenes brevicarpalis (Schenkel, 1902) 
Indo-Pacific for Periclimenes elegans (Paul'son, 1875) 
Indo-Pacific for Periclimenes holthuisi Bruce, 1969 
Indo-Pacific for Periclimenes imperator Bruce, 1967 
Indo-Pacific for Periclimenes lutescens 
Indo-Pacific for Periclimenes tenuipes Borradaile, 1898 
Indo-Pacific for Petrolisthes lamarckii (Leach, 1820) 
Indo-Pacific for Phymodius monticulosus (Dana, 1852) 
Indo-Pacific for Pilumnus vespertilio (Fabricius, 1793) 
Indo-Pacific for Pinnotheres Bosc, 1801 
Indo-Pacific for Planes cyaneus Dana, 1851 
Indo-Pacific for Platypodia granulosa (Rüppell, 1830) 
Indo-Pacific for Podophthalmus vigil (Fabricius, 1798) 
Indo-Pacific for Portunus (Achelous) orbitosinus Rathbun, 1911 
Indo-Pacific for Portunus (Portunus) pelagicus (Linnaeus, 1758) 
Indo-Pacific for Portunus (Portunus) sanguinolentus (Herbst, 1783) 
Indo-Pacific for Racilius compressus Paul'son, 1875 
Indo-Pacific for Sarmatium crassum Dana, 1851 
Indo-Pacific for Saron marmoratus (Olivier, 1811) 
Indo-Pacific for Schizophrys aspera (H. Milne Edwards, 1834) 
Indo-Pacific for Scylla serrata (Forskål, 1775) 
Indo-Pacific for Synalpheus charon (Heller, 1861) 
Indo-Pacific for Tetralia glaberrima (Herbst, 1790) 
Indo-Pacific for Thalamita crenata Rüppell, 1830 
Indo-Pacific for Thalamita poissoni (Audouin & Savigny, 1817) 
Indo-Pacific for Thalamitoides tridens A. Milne Edwards, 1869 
Indo-Pacific for Thaumastocaris streptopus Kemp, 1922 
Indo-Pacific for Trapezia cymodoce (Herbst, 1801) 
Indo-Pacific for Trapezia rufopunctata (Herbst, 1799) 
Indo-Pacific for Uca (Gelasimus) tetragonon (Herbst, 1790) 
Indo-Pacific for Uca (Gelasimus) vocans (Linnaeus, 1758) 
Indo-Pacific for Uca (Paraleptuca) chlorophthalmus chlorophthalmus (H. Milne Edwards, 1837) 
Indo-Pacific for Uca (Paraleptuca) lactea annulipes (H. Milne Edwards, 1837) 
Indo-Pacific for Uca (Tubuca) dussumieri (H. Milne Edwards, 1852) 
Indo-Pacific for Xantho hydrophilus (Herbst, 1790) 
English barrel sponge for Xestospongia testudinaria (Lamarck, 1815)
English bath sponge for Spongia (Spongia) ceylonensis (Dendy, 1905)
English beaded triton [from synonym] for Septa gemmata (Reeve, 1844)
English black bush sponge for 
English black sack sponge for Tetrapocillon minor Pulitzer-Finali, 1993
English by-the-wind-sailor for Velella velella (Linnaeus, 1758)
English Chili pepper sponge [from synonym] for Tedania anhelans (Vio in Olivi, 1792)
English false limpet [from synonym] for Siphonaria tenuicostulata E. A. Smith, 1903
English fire sponge [from synonym] for Tedania anhelans (Vio in Olivi, 1792)
English golfball sponge for Tethya robusta (Bowerbank, 1873)
English lion's mane jellyfish [from synonym] for Cyanea nozaki
English mango sponge [from synonym] for Stylotella aurantium Kelly-Borges & Bergquist, 1988
English mangrove whelk for Terebralia palustris (Linnaeus, 1767)
English moon jellyfish for Aurelia aurita (Linnaeus, 1758)
English Portuguese man-of-war for Physalia physalis (Linnaeus, 1758)
English purple-staining sponge for Iotrochota baculifera Ridley, 1884
English spiky tube sponge for Callyspongia confoederata (sensu Ridley, 1884)
English spindle tibia for Tibia fusus (Linnaeus, 1758)
English stinging tube sponge for Biemna fistulosa (Topsent, 1897)
English sundial for Architectonica perspectiva (Linnaeus, 1758)
English tennis-ball sponge [from synonym] for Cinachyrella voeltzkowii (Lendenfeld, 1897)
English thimble jellyfish for Linuche unguiculata (Schwartz, 1788)
English upside down jellyfish for Cassiopea andromeda (Forsskål, 1775)
 Authority

Authority Chemnitz, 1781 in Dautzenberg, 1929 [details]

 Description

A broad, plump sea slug, up to 7cm, varying in colour from tan to brown or orange. Body is covered in simple and/or ... [details]

 Description

A distinctive, truly pelagic silvery blue mollusc, up to 6 cm long, with three pairs of arms. Floats upside-down ... [details]

 Description

A heavy, solid shell with high spire, up to 5 cm. Body whorl smooth, upper whorls ribbed. Inner margin of lip ... [details]

 Description
 for 

A large, solid shell, up to 20 cm, with long spire, small body whorl, and an outer lip with 5-7 blunt teeth. ... [details]

 Description

Amorphous and flimsy sponge forming clumps 5-15 cm across and 1-3 cm high, appearing as a thin stretched skin ... [details]

 Description

Body is broad, truncate, and rather flattened, up to 4 cm long. Ground colour is usually pale green, beige, or ... [details]

 Description

Body is lumpy, fleshy and oval, up to 6 cm long. The mantle is dull, reddish-pink with irregular white patches, ... [details]

 Description
 for 

Circular polypoid disc of chitinous material, to 3 cm. Numerous tentacle-like dactylozoids beneath and around disc; ... [details]

 Description

Club-shaped lobe growing erect from substrate, up to 10 cm wide and high, with rounded apex. Surface covered in ... [details]

 Description

Delicate tubular mass, 2-5 cm wide. Tubes 0.5 mm diameter with membraneous raised oscules. Crisp, compressible, ... [details]

 Description

Description of Western Indian Ocean specimens: Irregular branches, fingers or blades arising from a spreading base. ... [details]

 Description

Description: as T. virgatus, but paler brown with darker bands and spots. Distribution: occurs in the southern part ... [details]

 Description

Description: as T. oryza, but lacking dorsal groove. (Richmond, 1997). [details]

 Description

Description: Irregularly encrusting, 10-12 cm long and wide. Surface smooth to faintly domed and undulating. ... [details]

 Description

Description: Patches 4-5 cm wide, 5-10 mm thick with punctured surface and slightly raised oscules, 2-3 mm ... [details]

 Description

Description: Thinly encrusting sponge, 5-10 cm wide, 5 mm thick. Surface composed of rough armoured polygonal ... [details]

 Description

Diameter up to 3mm, length variable. Similar to Vermetus sp. But much smaller. Flat, brown-red operculum with ... [details]

 Description

Distinctive, think shell, up to 4 cm, with numerous spiralled, brown cords on lighter background. Aperture toothed ... [details]

 Description

Domed clump of folded, single blades 1 mm thick, frequently in tight groups, up to 18 cm high and wide. Oscular ... [details]

 Description

Elongasted, translucent, striped body, up to 8 cm long. Often prickly appearance, and with luminicent blue to ... [details]

 Description

Encrusting patch. Surface with wrinkles 2-3 mm wide; fleshy, smooth and velvety. Colour fawn. Habitat: shaded ... [details]

 Description

Encrusting sponge, 6-7 cm wide, 1 cm thick. Surface undulating, furrowed, detachable and punctured with holes 0.5 ... [details]

 Description

Encrusting sponge, irregularly lobate, 5-10 cm long, 5 cm thick. Surface raised into faintly conulose irregular ... [details]

 Description

Encrusting, 2-5 cm wide, 4-7 mm thick. Surface undulating translucent "skin" over meandering subdermal canals. ... [details]

 Description

Encrusting, up to 3 cm thick with turrets 3-4 cm high. Surface with long shallow pits; oscules apical and ... [details]

 Description

Erect expanded leaves up to 10 mm thick, 40 cm high. Short woody stalk with fleshy, blade-like lobes. Surface ... [details]

 Description
 for 

Erect mass, 5 cm high and wide. Highly conulose surface with visible, protruding, tiny black, twig-like fibres up ... [details]

 Description

Evenly sub-circular shell, up to 2 cm, with undulating surface and a distinctive internal cup-shaped projection. ... [details]

 Description

Flattened shell, up to 3cm, with fine, radiating, pale ridges on a darker background. Circular outline with a ... [details]

 Description

Habitat: Mangrove Forests. Thick, strong, elongate shells up to 3 cm, with five whorls and about 20 axial ribs. ... [details]

 Description

Habitat: mangrove forest Thick, heavy, conical shell with long pointed spire, up to 12cm. Whorls with strong axial ... [details]

 Description

Habitat: muddy shore (Ruwa, 1984 <109>). Pure white shells, rather elongated in shape, up to 4 cm; chestnut-brown, ... [details]

 Description

Habitat: open seas, but East African records are usually based on stranded individuals, often after storms. ... [details]

 Description

Habitat: rocky shores. Tropical Indo-Pacific, also in Australia in Kalk (1958). [details]

 Description

Height to 22 cm, width to 13 cm. As C. alata but surface with low, clear warts separated by a translucent lace-work ... [details]

 Description

Height to 25 cm, width 1/3 to 1/2 of height. Bell thick, translucent, with smooth surface and four long tentacles ... [details]

 Description

Larger, up to 7 cm, dark reddish-brown with white speckles, a broad, yellow band at mantle edge becoming ... [details]

 Description

mouth-arms with 6-8 short, spreading main branches; clubs minute, to 0.8 mm; no peripheral spots (Richmond, 1997). [details]

 Description

Multi thin-walled, fragile tubes, 1-2 cm across and 1-3 cm high, appearing as a thin stretched skin embedded with ... [details]

 Description

Multilobed, erect club-shaped sponge, up to 30 cm high and 20 cm wide, often narrower around the base than at ... [details]

 Description

Multiple stubby fan-like branches, 3-4 cm wide, 5-10 cm long, loosely attached to substrate. Surface tuberculate, ... [details]

 Description

Narrow, tubular shells, up to 6 cm, tapering at both ends. Habitat: usually on Gorgonians in deep water. ... [details]

 Description

Often a darker red than G. townsendi (Richmond, 1997) [details]

 Description

Oval and very flattened, up to 15 cm long. Well camouflaged by colouration of mottled creams, beiges, browns, ... [details]

 Description

Potato-shaped, 2-10 cm long and wide, free-living or attached basally to rubble; irregularity lumpy, oscules on low ... [details]

 Description

probably conspecific <282>. [details]

 Description

reddish-brown, to 15 cm width, with fine, polygonal warts on surface. In adults, pale patches on edge to bell with ... [details]

 Description

Resembles Porpita but with triangular sail on upper surface, to 4 cm. Colour blue. Habitat: floating on sea ... [details]

 Description

Shell up to 5 cm diameter. Colour white to yellowish-brown, lighter at the edges and beneath. Operculum horny and ... [details]

 Description

Short tubes arising from a thick irregular branching base, 0.5 cm wide, 1 cm high, whole sponge 10 cm diameter. ... [details]

 Description

Similar to A. brevispinosa but with shorter spicules and a brown girdle with lighter bands. Habitat: upper littoral ... [details]

 Description

Similar to Cinachyrella voeltzkowii, but larger, bright orange-yellow, subtidal (Richmond, 1997). [details]

 Description

Single or multiple clumps of tubes up to 50 cm high and 4-5 cm wide. Walls 3-4 mm thick, sometimes ribbed, ... [details]

 Description

Small rounded bush up to 10 cm high, 8 cm wide. Oblong in outline, or with several lobes, attached to substrate by ... [details]

 Description

Small single or double tubes or mounds, 0.5-3 cm high, 1 cm wide, scattered in groups on substrate. Oscules apical ... [details]

 Description

Small, smooth, rounded shells, up to 3 cm long, with a wide aperture. Characteristic axial zigzag markings on a ... [details]

 Description

Small, solid shell, up to 4 cm, with 1-2 varices and 10-15 prominent knobbly, spiral chords on each whorl. Outer ... [details]

 Description

Soft oval body, up to 7cm long, which has a trapezoidal flap at the front and is translucent orange or yellow. ... [details]

 Description

Solid shell, up to 3 cm, with strong, low-spined varices. Colour variable, often brown or mottled, with pale ... [details]

 Description

Solid, rubbery, tuberculate body, up to 10 cm long. Ground colour black, white tubercles with bright orange tips ... [details]

 Description

Spanish Dancer Up to 40 cm long (larger in South Africa). A relatively common and distinctive species with a white, ... [details]

 Description

Species up to 4 cm long, with central region orange brown, mottled with lighter and darker patches and dark purple ... [details]

 Description

Spherical sack-like masses, loosely attached to the substrate. Oscules raised, 1-2 cm diameter; surface smooth, ... [details]

 Description

Spherical, 2-5 cm diameter. Surface is hairy, silty, and with sunken pits; stiff velvet to touch. Interior orange ... [details]

 Description

Spherical, up to 2 cm diameter. Surface divided into raised polygonal areas separated by inhalant channels. Tough ... [details]

 Description

Sprawling, branching sponge with fingers 10-15 cm long, 1-3 cm wide, although highly variable in size. Arises from ... [details]

 Description

Spreading cushion with lobes, up to 20 cm long, 10 cm wide, 5 cm high. Surface conulose, but looks smooth and shiny ... [details]

 Description

Steep-sided cone, up to 20 cm wide, 12 cm high and surrounded by shorter, rounded projections, or small cones, 1-4 ... [details]

 Description

Thick shell, up to 4 cm, with tall spire and large body whorl, upper whorls separated by deep sutures, and the ... [details]

 Description

Thick shell, up to 8 cm, with spire of varying height (mostly short), and with spiral ridges on the lower half of ... [details]

 Description

Tiny, to 2 cm. Bell straight-sided, flat-topped, with 16 vertical ridges and eight minute tentacles. Colour ... [details]

 Description

Unmistakable large, elongated, solid and heavy shell, up to 20 cm. Shoulders of body and upper whorls with thick, ... [details]

 Description

Up to 10 cm long. Animals may vary in colour from brown or red to orange. Dorsal pattern of dark and light polygons ... [details]

 Description

Up to 12 cm long. Variable shades of brown with brown and white blotches, squared cerata, and covered in papillae, ... [details]

 Description

Up to 2 cm long, mottled in shades of green with a few flecks of white and brown. Almost invisible, but probably ... [details]

 Description

Up to 2 cm, description as family. Colour dark brown to black, with white or yellow spots or zigzag lines. ... [details]

 Description

Up to 3 cm long. Distinguished from the two genera (Phyllidia arabica and Phyllidiella zeylanica) by a ventral anus ... [details]

 Description

Up to 3 cm, similar to N. albescens gemmuliferus, but with more widely spaced, spiny nodules arranged in spiral ... [details]

 Description

Up to 3 cm, with very fine axial ribs. Colour tan. Habitat: eulittoral and deeper. Distribution: W Indian Ocean to ... [details]

 Description

Up to 30 cm long. Distinctive, with ridges of large tubercles running down centre of body, and a series of ... [details]

 Description

Up to 4 cm long. A very common species distinguished by a squared pattern at the head end. Bands of low pink ... [details]

 Description

Up to 4 cm. Description as for family though shells are more globular, with rounded shoulders, deep sutures and a ... [details]

 Description

Up to 4cm long. Occurs in a bewildering variety of colours, from light brown with creamy yellow or orange markings ... [details]

 Description

Up to 5 cm long. Western Indian Ocean specimens tend to be olive-green, although geographical colour variations ... [details]

 Description

Up to 5 mm, smooth, thin and glossy. Pale cream with bands of brown dashes. Habitat: among seaweed in shallow ... [details]

 Description

Up to 7 cm . One of the most common aeolids found, this species has many clusters of cerata on each side. Body ... [details]

 Description

Up to 7 cm long. Black, sometimes with cream or white spots, the rhinophores with an elongated white knob at the ... [details]

 Description

Up to 7 cm long. Similar to Onchidium sp. but distinguished by its smaller size and the presence of gills on the ... [details]

 Description

Up to 8 cm long. This frequently encountered species is very cryptic. The body is flat, mottled white and brown, ... [details]

 Description

Very variable shell, up to 3 cm, commonly with three granulated, spiral rows on each whorl (less pronounced towards ... [details]

 Description

White, curved, tapering tube with 12 ridges along entire length, up to 5 cm long. Habitat: shallow and deep sand. ... [details]

 Description

Whorled or curved plate-like sponge, 15-20 cm wide and high, which can form a cup with internal spirals at ... [details]

 Description

Width 15-30 cm. Bell flat to domed, firm, translucent, with four (or 5-7) bluish-pink gonad rings, four mouth-arms ... [details]

 Description

Width to 10 cm. Conspicuous. Eight thick mouth-arms with long terminal clubs, which may detach. Bell transparent ... [details]

 Description

Width to 12 cm. Disc flat, with eight short mouth-arms each with four (or six) side-branches supporting many ... [details]

 Description

Width to 14 cm, 10 cm high. Bell surface covered with stinging warts. Up to nine tentacles on each corner, on ... [details]

 Description

Width to 20 cm. Bell hemispherical, slightly pointed with smooth to finely granulated surface. Mouth-arms with ... [details]

 Description

Width to 20 cm. Bell slightly pointed, robust and smooth, edged with a skirt furrowed between the fused lappets. ... [details]

 Description

Width to 25 cm. Bell surface with fine warts. Four separate mouth-arms, up to 50 cm long, with frilled edges. Bell ... [details]