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Apareiodon itapicuruensis Eigenmann & Henn 1916

auditory system

Ladich and Popper 2004
swim bladder
URI: http://purl.obolibrary.org/obo/UBERON_0006860

Definition: a thin membranous, sometimes alveolated sac in the dorsal portion of the abdominal cavity. Contains a varying mixture of gases, not identical to the composition of air.

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Ladich and Popper 2004
otoliths
URI: https://www.wikidata.org/entity/Q591800

Definition: Inner-ear structure in vertebrates which detects acceleration and may detect acoustic signals

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