Astrocottus regulus Tsuruoka, Maruyama & Yabe, 2008

Family:  Cottidae (Sculpins)
Max. size:  4.21 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 10 - 55 m
Distribution:  Northwest Pacific: Japan.
Diagnosis:  Dorsal spines (total): 9-11; Dorsal soft rays (total): 13-15; Anal spines: 0-0; Anal soft rays: 13-14; Vertebrae: 32-34. This species possess the following characters: small head, its length 31-33% SL, depth 13-17% SL; flat and narrow interorbital space, its width 5.6-7.2% HL; basal length of anal fin 30-34% SL; scales on pectoral-fin rays and ventral surface of head and trunk absent; no nuchal cirrus; some scales below lateral line have filamentous cirri; D1 IX-XI (mode X); D2 13-15 (mode 14); A 13-14 (mode 14); lateral-line scales 31-33 (mode 32); vertebrae 12 + 20-22 (mode 12 + 21)=32- 34 (mode 33) (Ref. 76844).
Biology:  Occurs on sandy and/or cobble bottom (Ref. 76844).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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