Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Bathymasteridae (Ronquils)
Etymology: Ronquilus: Spanish, "ronquillo" = slightly hoarse; jordani: Named after David Starr Jordan, U.S. ichthyologist (Ref. 6885).
Eponymy: Dr David Starr Jordan (1851–1931) was a leading American ichthyologist, physician, educator, peace activist and believer in eugenics; moreover, he was founding President of Stanford University. [...] (Ref. 128868), visit book page.
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 3 - 275 m (Ref. 6793). Temperate; - 37°N
Eastern Pacific: Pribilof Canyon in the Bering Sea and Amchitka Island in the Aleutian chain to Monterey Bay, California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 48889)
Dorsal spines (total): 0; Dorsal soft rays (total): 41 - 48; Anal spines: 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).
Body shape (shape guide): elongated.
Usually among rocks (Ref. 2850).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: public aquariums
Tools
Special reports
Download XML
Internet sources