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Iso natalensis Regan, 1919 Surf sprite |
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photo by
SFSA |
| Family: | Isonidae (Isonids) | |||
| Max. size: | 8 cm TL (male/unsexed) | |||
| Environment: | pelagic-neritic; marine | |||
| Distribution: | Indian Ocean: widely distributed, extending to Cape Agulhas, South Africa. | |||
| Diagnosis: | Dorsal spines (total): 4-7; Dorsal soft rays (total): 12-17; Anal spines: 1-1; Anal soft rays: 21-28. Translucent with silver lower head and band along side to silver spot on caudal peduncle and viscera enclosed in silver. Description: Characterized further by having longitudinal scale series 40-60; depth of body 3.3-3.4 in SL; head 4.2-5.5 in SL; eye 2.5-3.6 in head length (Ref. 90102). | |||
| Biology: | Found in large numbers in boiling surf, close to shoreline. Occurs in large aggregations (Ref. 90102). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||