WoRMS taxon details
Cathorops spixii (Agassiz, 1829)
280049 (urn:lsid:marinespecies.org:taxname:280049)
accepted
Species
Arius nigricans Valenciennes, 1834 · unaccepted (synonym)
Arius spixi (Agassiz, 1829) · unaccepted (misspelling)
Arius spixii (Agassiz, 1829) · unaccepted
Cathorops spixi (Agassiz, 1829) · unaccepted (misspelling)
Pimelodus albidus Spix & Agassiz, 1829 · unaccepted (synonym)
Pimelodus spixii Agassiz, 1829 · unaccepted (synonym)
marine, brackish, fresh, terrestrial
(of Pimelodus spixii Agassiz, 1829) Spix, J. B.; von; Agassiz, L. (1829-1831). Selecta genera et species piscium quos in itinere per Brasiliam annis MDCCCXVII-MDCCCXX : jussu et auspiciis Maximiliani Josephi I. Bavariae regis augustissimi peracto. <em>Monachii.</em> Part 1: i-xvi + i-ii + 1-6 + 1-82, Pls. 1-48, Part 2: 83-138, Pls. 49-101. [Part 1 published June 1829, part 2 Jan. 1831., available online at https://www.biodiversitylibrary.org/page/57839229#page/1/mode/1up [details]
Froese, R. and D. Pauly. Editors. (2026). FishBase. Cathorops spixii (Agassiz, 1829). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=280049 on 2026-07-10
Date
action
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Nomenclature
original description
(of Pimelodus spixii Agassiz, 1829) Spix, J. B.; von; Agassiz, L. (1829-1831). Selecta genera et species piscium quos in itinere per Brasiliam annis MDCCCXVII-MDCCCXX : jussu et auspiciis Maximiliani Josephi I. Bavariae regis augustissimi peracto. <em>Monachii.</em> Part 1: i-xvi + i-ii + 1-6 + 1-82, Pls. 1-48, Part 2: 83-138, Pls. 49-101. [Part 1 published June 1829, part 2 Jan. 1831., available online at https://www.biodiversitylibrary.org/page/57839229#page/1/mode/1up [details]
original description (of Arius nigricans Valenciennes, 1834) Valenciennes, A. (1834-1839). Poissons [plates]. <em>In: A. d'Orbigny. Voyage dans l'Amérique méridionale. Pls. 1-16. [Text published in 1847 [ref. 5010]. Dates of publication of the plates are given in Sherborn & Griffin 1934 [ref. 28051]; Sherborn & Woodward 1901 [ref. 13447] do not provide a date for the fish plates.].</em> [details]
original description (of Arius nigricans Valenciennes, 1834) Valenciennes, A. (1834-1839). Poissons [plates]. <em>In: A. d'Orbigny. Voyage dans l'Amérique méridionale. Pls. 1-16. [Text published in 1847 [ref. 5010]. Dates of publication of the plates are given in Sherborn & Griffin 1934 [ref. 28051]; Sherborn & Woodward 1901 [ref. 13447] do not provide a date for the fish plates.].</em> [details]
Ecology
ecology source
Looby, A.; Erbe, C.; Bravo, S.; Cox, K.; Davies, H. L.; Di Iorio, L.; Jézéquel, Y.; Juanes, F.; Martin, C. W.; Mooney, T. A.; Radford, C.; Reynolds, L. K.; Rice, A. N.; Riera, A.; Rountree, R.; Spriel, B.; Stanley, J.; Vela, S.; Parsons, M. J. G. (2023). Global inventory of species categorized by known underwater sonifery. <em>Scientific Data.</em> 10(1). (look up in IMIS), available online at https://doi.org/10.1038/s41597-023-02745-4 [details] 
Other
additional source
Froese, R. & D. Pauly (Editors). (2026). FishBase. World Wide Web electronic publication. version (04/2025)., available online at https://www.fishbase.org [details]
additional source McEachran, J. D. (2009). Fishes (Vertebrata: Pisces) of the Gulf of Mexico, Pp. 1223–1316 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source McEachran, J. D. (2009). Fishes (Vertebrata: Pisces) of the Gulf of Mexico, Pp. 1223–1316 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
To Barcode of Life (19 barcodes)
To Biodiversity Heritage Library (14 publications) (from synonym Pimelodus spixii Agassiz, 1829)
To Biodiversity Heritage Library (16 publications) (from synonym Arius spixii (Agassiz, 1829))
To Biodiversity Heritage Library (28 publications) (from synonym Pimelodus albidus Spix & Agassiz, 1829)
To Biodiversity Heritage Library (4 publications) (from synonym Arius spixi (Agassiz, 1829))
To European Nucleotide Archive, ENA (Cathorops spixii)
To FishBase (from synonym Arius spixii (Agassiz, 1829))
To FishBase (from synonym Pimelodus albidus Spix & Agassiz, 1829)
To FishBase
To FishBase (from synonym Cathorops spixi (Agassiz, 1829))
To FishBase (from synonym Arius nigricans Valenciennes, 1834)
To FishBase (from synonym Pimelodus spixii Agassiz, 1829)
To FishBase (from synonym Arius spixi (Agassiz, 1829))
To GenBank (40 nucleotides; 40 proteins) (from synonym Pimelodus spixii Agassiz, 1829)
To GenBank (40 nucleotides; 40 proteins)
To NMNH Extant Collection (Arius nigricans RAD115919-001) (from synonym Arius nigricans Valenciennes, 1834)
To NMNH Extant Collection (Arius nigricans RAD115919-002) (from synonym Arius nigricans Valenciennes, 1834)
To NMNH Extant Collection (Cathorops spixii RAD117880-001)
To NMNH Extant Collection (Cathorops spixii RAD117880-002)
To ITIS
To Biodiversity Heritage Library (14 publications) (from synonym Pimelodus spixii Agassiz, 1829)
To Biodiversity Heritage Library (16 publications) (from synonym Arius spixii (Agassiz, 1829))
To Biodiversity Heritage Library (28 publications) (from synonym Pimelodus albidus Spix & Agassiz, 1829)
To Biodiversity Heritage Library (4 publications) (from synonym Arius spixi (Agassiz, 1829))
To European Nucleotide Archive, ENA (Cathorops spixii)
To FishBase (from synonym Arius spixii (Agassiz, 1829))
To FishBase (from synonym Pimelodus albidus Spix & Agassiz, 1829)
To FishBase
To FishBase (from synonym Cathorops spixi (Agassiz, 1829))
To FishBase (from synonym Arius nigricans Valenciennes, 1834)
To FishBase (from synonym Pimelodus spixii Agassiz, 1829)
To FishBase (from synonym Arius spixi (Agassiz, 1829))
To GenBank (40 nucleotides; 40 proteins) (from synonym Pimelodus spixii Agassiz, 1829)
To GenBank (40 nucleotides; 40 proteins)
To NMNH Extant Collection (Arius nigricans RAD115919-001) (from synonym Arius nigricans Valenciennes, 1834)
To NMNH Extant Collection (Arius nigricans RAD115919-002) (from synonym Arius nigricans Valenciennes, 1834)
To NMNH Extant Collection (Cathorops spixii RAD117880-001)
To NMNH Extant Collection (Cathorops spixii RAD117880-002)
To ITIS
