Hyporhamphus rosae (Jordan & Gilbert, 1880)
California halfbeak

Family:  Hemiramphidae (Halfbeaks)
Max. size:  15 cm TL (male/unsexed)
Environment:  pelagic-neritic; freshwater; brackish; marine; depth range - 0 m
Distribution:  Eastern Pacific: Santa Ana in southern California, USA to Costa Rica. Range extends to Panama (Ref. 36576). Reported from Peru and Galapagos Islands (Ref. 5530).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 13-15; Anal spines: 0-0; Anal soft rays: 14-16; Vertebrae: 47-50. Branchiostegal rays: 10-12 (Ref. 36576).
Biology:  Adults are found near shore, frequently in coastal bays at or near the surface. Often form small schools. Occasionally penetrate fresh waters (Ref. 9306). Presumably oviparous, with planktonic larvae (Ref. 36576). Eggs are attached to spawning substrate via filaments (Ref. 36576).
IUCN Red List Status: Data deficient (DD); Date assessed: 06 December 2018 Ref. (130435)
Threat to humans:  harmless


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 Not for publication.