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Otolith morphology of mesopelagic fishes collected from the Irminger Sea, North Atlantic Ocean
Hoedemakers, K.; Jawad, L.A.; Artemenkov, D.V.; Benzik, A.N.; Orlov, A.M. (2024). Otolith morphology of mesopelagic fishes collected from the Irminger Sea, North Atlantic Ocean. Zool. Anz. 312: 153-177. https://dx.doi.org/10.1016/j.jcz.2024.07.010
In: Zoologischer Anzeiger. Gustav Fischer Verlag: Jena. ISSN 0044-5231; e-ISSN 1873-2674
Peer reviewed article  
Available in  Authors 
Keywords
    Classification > Taxonomy
    Morphology
    Sagitta Quoy & Gaimard, 1827 [WoRMS]
    Marine/Coastal
Author keywords
    SEM; Mesopelagic teleost fishes
Authors  Top 
  • Hoedemakers, K.
  • Jawad, L.A.
  • Artemenkov, D.V.
  • Benzik, A.N.
  • Orlov, A.M.
Abstract
    A large series of otoliths of 16 mesopelagic teleost fish species from the Irminger Sea, North Atlantic Ocean, are described morphologically to investigate the ontogenetic and intraspecific variation. The results show that the surface morphology of the otoliths between young and adult specimens is variable, especially in the alepocephaliform (Normichthys operosus, Sagamichthys schnakenbecki, Xenodermichthys copei) and astronesthine (Borostomias antarcticus) species. The diagnostic features of the otoliths can be used to confirm the identity of the species, especially in myctophids, where confusion between Benthosema glaciale and Myctophum punctatum may be possible. A SEM-based iconography of the otoliths of all studied species is presented.
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