Hemiramphus convexus Weber & de Beaufort, 1922
Halfbeak
photo by Shao, K.T.

Family:  Hemiramphidae (Halfbeaks)
Max. size:  23 cm TL (male/unsexed); 17.6 cm SL (female)
Environment:  pelagic-neritic; marine; depth range 0 - 6 m
Distribution:  Indo-West Pacific: widespread in warmer waters from East Africa to Caroline Islands, New Guinea, New Britain and New Ireland. Replaced in the Red Sea, Arabian Sea and coastal waters in between by Oxyporhamphus convexus bruuni (Ref. 9843).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-15; Anal spines: 0-0; Anal soft rays: 14-16; Vertebrae: 48-51. Swim bladder composed of many small compartments instead of a single chamber. Gill rakers on the first arch, 26-33, usually 27-31.
Biology:  More coastal than O. m. micropterus and frequently found near islands.
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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