Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Scorpaeniformes  
 Family Dactylopteridae  
 Genus Dactyloptena  
  Dactyloptena peterseni  (Nyström, 1887) 
Provider: Chen, Jeng-Ping 
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Synonyms:Dactyloptena petersoniDactylopterus peterseniDaicocus peterseniDiacocus peterseni  details
Citation: 臺灣魚類誌(沈等, 1993)
Character: Body moderately elongate. Head broad, blunt, depressed anteriorly, with a prominent keeled spine extending posteriorly from the nape to below second spine of continuous spinous part of dorsal fin. Angle of preopercle with a long, prominent spine. Spinous and soft dorsal fins separated by a deep notch. Eyes large; interorbit region weakly concave. Mouth small, subterminal, and protractile. Upper jaw largely obscured by bones surrounding eye. Nodular teeth present on jaws. Small teeth on vomer and palatines. A single elongate filamentous spine widely separated from remainder of spinous dorsal fin, continuous part of spinous dorsal fin with VII spines, soft dorsal fin with 8 rays; anal fin with 6 soft rays; caudal fin emarginate; bases of pectoral fins horizontal, the fins divided into 2 sections, a short anterior part with 5 rays and a long posterior part, with 25 or 26 rays that reach to caudal-fin base in adults. Lower side of posterior part of trunk with 3 enlarged keel-like scales, the first above middle of anal fin. Scales each with a strong median ridge. Lateral line absent or greatly obscured. Colour: dusky violet above, pinkish below; an oblong black blotch over middle of pectoral fins. 
Habitat: Found on the shelf and shelf edge, over sandy bottoms in coastal areas. Feeds on benthic crustaceans. 
Distribution: Distributed in the Indo-West Pacific from East Africa to Japan and the Ogasawara Islands, south to northern Australia, including the Arafura Sea. It is a common species in Taiwan except eastern part. 
Utility: No commercial value. 
Name Code: 382800
  IUCN Red List:LC     
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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