Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Callionymidae  
 Genus Bathycallionymus  
  Bathycallionymus formosanus  Fricke, 1981 
Provider: Kwang-Tsao Shao 
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Citation:
臺灣魚類誌(沈等, 1993)
Fishes of Japan(Nakabo, 2013)
Fishbase(2013)
李承運(2012)臺灣海域鼠科魚類之分類與分子演化研究。海洋生物研究所碩士論文。臺灣海洋大學。236頁。
Character: Body elongate, depressed. Head extremely depressed. Posterior tip of preopercular barbed. First dorsal fin with IV spines, first dorsal spine elongate and filamentous; second dorsal fin with 9 soft rays, and anterior branch of last ray simple; anal fin with 9 soft rays; caudal fin symmetrical, 2 median rays simple. When fresh, third membrane of frist dorsal fin with dark blotch, lunate in males, oblong in females; black mark on dorsoanterior edge of second dorsal in males, not in females; lower half of anal fin yellow with 1 or 2 blue oblique lines on each membrane in males, anal fin white with distal black margin in females; spots on dorsal side of body not fine. 
Habitat: Benthic, common on sand bottoms at depths of 90-200 m. Feeds on small bottom organisms. 
Distribution: Distributed in the Paciffic coast of souther Japan to the South China Sea. It is found in Penghu Is., western Taiwan. 
Utility: No commercial value. 
Name Code: 381472
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