Description of skeletal structure and cranial myology of Cobitis keyvani (Cypriniformes: Cobitidae)

Pariya Jalili, Soheil Eagderi, Hamed Mousavi-Sabet

Abstract

Cobitis keyvani is recently described from the sourhern Caspian Sea basin. Limited information is available about morphological features of C. keyvani, therefore this study was conducted to provide osteological characteristics and cranial myology of this species. For this purpose, nine specimens of C. keyvani were collected from the Talar River. The specimens were cleared and stained with alizarin red S and alcian blue for osteological examinations. The detailed skeletal structure and cranial muscles of C. keyvani were provided. Based on the results, C. keyvani can be distinguished from other members of the genus Cobitis by a contact between sphenotic and supraoccipital and a contact between pterosphenoid, parasphenoid, prootic and sphenotic in terms of osteological features.

Keywords

Osteology, Muscle, Keyvan's spined loach, Caspian Sea basin.

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