Ronquilus jordani (Gilbert, 1889)
Northern ronquil
photo by Wirtz, P.

 Family:  Bathymasteridae (Ronquils)
 Max. size:  20 cm TL (male/unsexed)
 Environment:  demersal; depth range 3 - 275 m
 Distribution:  Eastern Pacific: Pribilof Canyon in the Bering Sea and Amchitka Island in the Aleutian chain to Monterey Bay, California, USA.
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 41-48; Anal spines: 0-0; Anal soft rays: 31-34. Caudal rounded (Ref. 6885). Males orange dorsally, dull olive green ventrally; vague darker vertical bars on sides, fine yellow longitudinal lines below lateral line canal, and yellow on upper part of pectoral fin; golden bars below eye and across middle of cheek; black on top of head and across occiput, and behind eye; dusky blotch at anterior end of dorsal fin; black margined with yellow on dorsal and caudal fins; iridescent light blue margined with black on anal fin with golden spots at base; pelvic fins and lower parts of pectorals black. Females olive green dorsally, lighter ventrally; yellow longitudinal lines on sides; reddish on occiput; dusky blotch on anterior part of dorsal fin; bright orange on edges of dorsal and caudal; pale light blue margined with brown on anal; white on pelvic fins (Ref. 6885).
 Biology:  Usually among rocks (Ref. 2850).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Froese, Rainer - 01.05.91
 Modified by: Torres, Armi G. - 02.03.04
 Checked by: Torres, Armi G. - 25.07.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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