THE COMPARATIVE OSTEOLOGY OF DEMISSOLINEA NOVAEGUINEENSIS BURHANUDDIN AND IWATSUKI, 2003 AND TRICHIURUS LEPTURUS LINNAEUS, 1758 (PERCIFOMES: TRICHIURIDAE)
Andi Iqbal Burhanuddin and Abdul Haris
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The comparative osteology of hairtail fishes of Demissolinea novaeguineensis Burhanuddin & Iwatsuki, 2003 and Trichiurus lepturus Linnaeus, 1758 of the family Trichiuridae, which lack a forked caudal fin type, were studied. The characters of osteology, that are neurocranium, supraoccipital, orbital region, anal fin and vertebral column of two genera were analyzed and compared. The results revealed that the characters of osteology are valuable tools to identify the two genera under investigation and could be considered as good taxonomic criteria to differentiate the hairtail fishes without a forked caudal fin. An osteological key to genera is provided.