Comprehensive DescriptionRead full entry
| Common names: pipefish (English), pez-pipa (Espanol) |
Cosmocampus arctus (Jenkins & Evermann, 1889)
Snout with low ridge along center, short (length 2.3-4.0 in head length); operculum with longitudinal ridge angled up towards gill opening; upper trunk and tail ridges not joined; ridge on flank of body straight, ends near anus; lower trunk and tail ridges joined; main body ridges sometimes with spines at end of rings; usually with skin flaps; trunk rings 14-18; tail rings 36-41; skin flaps frequently present around eye and elsewhere on body; dorsal 18-20 rays; anal 2-4 rays; pectoral rays 10-12 (usually 11); brood pouch under tail, with folds; tail 10 rays.
Reddish to dark grey with narrow whitish bars and/or pale saddles on back; usually a whitish stripe on head behind eye.
Size: attains 13 cm.
Inhabits rock or coral reefs; often found among red algae.
From shallow depths to at least 20 m.
Southern California and through the Gulf of California to Chile, including the Galapagos.
There are three subspecies: C. arctus arctus from California to Mazatlan, Mexico, C. arctus coccineus from Central Mexico to Peru, including the Galapagos, and C. arctus heraldi from San Felix Island in the Juan Fernandez Islands, Chile.