Scorpaena brevispina Motomura & Senou, 2008
Japanese shortspined scorpionfish
Scorpaena brevispina
photo by Motomura, H.

 Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae
 Max. size:  11.61 cm SL (male/unsexed)
 Environment:  demersal; depth range 30 - 45 m
 Distribution:  Northwest Pacific: Japan.
 Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 3-3; Anal soft rays: 5-5; Vertebrae: 24-24. This species is distinct with the following set of characters: pectoral-fin rays 17; longitudinal scale rows 44; scales below lateral line 13; scale rows between last dorsal-fin spine base and lateral line 6; gill rakers 17; anteroventral surface of body and base of pectoral fin covered with exposed scales; no tentacles on the anteroventral surface of lower jaw; anterior surface of preocular spine with 3 vertical or slightly oblique ridges (autapomorphic for the species); lateral surface of maxilla no distinct longitudinal ridge; with lateral lacrimal spine; additional small spines behind anterior lacrimal spine; occipital pit extremely deep; dorsal view of occipital pit rectangular, length distinctly less than width (length 53.3% of width); many small papillae on surface of occipital pit; relatively long pectoral fin (33.3% of SL), its posterior tip extending beyond verticals through last dorsal-fin spine base, posterior tip of depressed pelvic fin and second anal-fin spine base; relatively short third to fifth dorsal-fin spines (third spine length 14.6% of SL, fourth spine 15.5%, and fifth spine 15.8%, respectively) (Ref. 75293).
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 15.05.08

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