A new stichaeid fish of the genusAlectrias from Mutsu Bay,northern Japan |
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Authors: | Masaru Shiogaki |
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Affiliation: | 1. Aquaculture Center of Aomori Prefecture, Moura, Hiranai-machi, 039-34, Aomori, Japan
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Abstract: | Alectrias mutsuensis sp. nov. is described on specimens collected from Mutsu Bay, Aomori Pref. This new species is rather deep dweller compared to other species of the genus, living on muddy bottoms, about 20 to 40 meters deep, and is diagnosed by the following characters: dermal crest on head reaching to occipital region; distance between end of dermal crest and dorsal fin origin less than eye diameter; end of anal fin separated from caudal fin; anterior dorsal spines before anal origin, slender and flexible; epaxial hypurals mostly fused into a single plate. A key to all nine species belonging to the subfamily Alectriinae is presented. |
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