Parascombrops serratospinosus (Smith & Radcliffe, 1912)
Roughspine seabass
photo by Yamanoue, Y.

Family:  Synagropidae (Splitfin ocean-basses)
Max. size:  7.5 cm SL (male/unsexed); 8.1 cm SL (female)
Environment:  demersal; marine; depth range 176 - 600 m
Distribution:  Western Pacific: from Taiwan and the Philippines to northwestern Australia and Vanuatu where it is common but rare off Japan.
Diagnosis:  Vertebrae: 13-16. This small deep-bodied species is distinguished by the following characters: convex dorsal head profile; second spine of first dorsal fin, spine of second dorsal fin, second spine of anal fin and spine of pelvic fin are serrated; A II + 7; pectoral-fin rays 14-16, pectoral length 20.3-26.5% SL; gill rakers 13-16; pseudobranchial filaments (13) 16-21; first anal-fin pterygiophore is long and straight, with broad tip and hollow; palatines and ectopterygoids are moderately wide, with 1-2 rows of denticles; orbital diameter 11.7-13.6% SL; posterior edge of maxillary plate is slightly concave; without longitudinal ridges on preopercular lobe; otolith very compressed (OL:OH = 1.35-1.4) (Ref. 116586).
Biology:  Found on the continental slope (Ref. 75154).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless

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