Spratellomorpha bianalis (Bertin, 1940)
Two-finned round herring
photo by FAO

Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Ehiravinae
Max. size:  4.5 cm SL (male/unsexed)
Environment:  pelagic-neritic
Distribution:  Western Indian Ocean: Madagascar and Kenya coast (Port Tudor, Mombasa; probably more widespread).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-18; Anal spines: 0-0; Anal soft rays: 16-27. Body a little compressed, belly rounded, without pre-pelvic scutes, but a pelvic present with slender vertical arms. Snout pointed, lower jaw projecting slightly. Last two anal fin rays separate forming a distinct little finlet. This last feature identifies the species (found in no other clupeoid of the western Indian Ocean).
Biology:  Presumed to be a marine or estuarine species. Apparently rare.
IUCN Red List Status: Data deficient (DD); Date assessed: 30 June 2016 Ref. (119314)
Threat to humans:  harmless
Country info:   

Entered by: Binohlan, Crispina B. - 17.10.90
Modified by: Bailly, Nicolas - 15.07.13
Checked by: Binohlan, Crispina B. - 23.07.94

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