Iso hawaiiensis Gosline, 1952
Hawaiian surf sardine
Iso hawaiiensis
photo by Randall, J.E.

Family:  Isonidae (Isonids)
Max. size:  5 cm TL (male/unsexed)
Environment:  pelagic-neritic; marine; depth range 0 - 2 m
Distribution:  Pacific Ocean: Marshall Islands, Hawaii and Rapa.
Diagnosis:  Dorsal spines (total): 5-7; Dorsal soft rays (total): 14-16; Anal spines: 1-1; Anal soft rays: 20-25. Teeth in jaws restricted to first third along free edge of premaxilla. Dorsal edge of opercle without notch and process (Ref. 9769).
Biology:  Inhabits rough surf and waves around rocky headlands and reefs. Nothing is known of the biology of this species (Ref. 9769).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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