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| Hipposcorpaena filamentosa
Fowler, 1938
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The validity of the poorly known monotypic scorpionfish genus Hipposcorpaena Fowler is confirmed, and H. filamentosa Fowler is redescribed. The genus is characterized by the following characters: dorsal fin with 12 spines and 9 soft rays; anal fin with 2 spines and 6 soft rays; pectoral fin with 14 rays; lower pectoral fin rays slender, filamentous; longest ray extending well beyond vertical from posterior end of anal fin base; all dorsal and anal fin soft rays (except last ray of each fin divided into 2 at base), and all pectoral and caudal fin rays unbranched; head and body strongly compressed; body deep, depth 39.5%~41.2% of standard length; body covered with small cycloid scales; no palatine teeth; interorbital ridges present; tympanic spine present; posttemporal spine simple, lacking upper posttemporal spine; lower caudal fin with 1~4 distinct black spots, greater in width than orbit diameter; mature adult size at least 35.2 mm SL.
Key words: Scorpaenidae, Genus, Hipposcorpaena, Redescription, Hipposcorpaena filamentosa.
Hiroyuki Motomura and Hiroshi Senou. 2005. Validity of the Scorpionfish Genus Hipposcorpaena Fowler and A Redescription of H. filamentosa Fowler (Scorpaeniformes: Scorpaenidae). Zoological Studies. 44(2): 210-218.
