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Morphology and ontogenetic changes in otoliths of the mesopelagic fishes Ceratoscopelus maderensis (Myctophidae), Vinciguerria attenuata and V .  poweriae (Phosichthyidae) from the Strait of Messina (Mediterranean Sea)
Author(s) -
Jawad Laith A.,
Sabatino Giuseppe,
Ibáñez Ana L.,
Andaloro Franco,
Battaglia Pietro
Publication year - 2018
Publication title -
acta zoologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.414
H-Index - 37
eISSN - 1463-6395
pISSN - 0001-7272
DOI - 10.1111/azo.12197
Subject(s) - sagitta , otolith , mesopelagic zone , biology , ontogeny , juvenile , morphology (biology) , zoology , fishery , ecology , fish <actinopterygii> , pelagic zone , genetics
Fish otoliths morphology is an important aid in taxonomic, phylogenetic, palaeoichthyological and dietary studies. This study compares the morphology of the otoliths of the myctophid species, Ceratoscopelus maderensis, and two phosichthyid species, Vinciguerria attenuata and V. poweriae, collected from the Strait of Messina in the central Mediterranean Sea to identify the most appropriate taxonomical characters that separate these species. Ontogenetic changes in the otoliths of the studied fishes are evident. The sagitta of the juvenile C. maderensis is the most similar to the adult otoliths, while otoliths of the juvenile V. poweriae are the least similar to the adult otoliths. A discussion on possible geographical variations in otolith's morphology is provided by comparing our results with sagitta's images of C. maderensis, V. attenuata and V. poweriae in other studies.

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