Stolephorus commersonnii Lacep├Ęde, 1803
Commerson's anchovy
photo by Randall, J.E.

Family:  Engraulidae (Anchovies), subfamily: Engraulinae
Max. size:  10 cm SL (male/unsexed)
Environment:  pelagic-neritic; depth range 0 - 50 m, anadromous
Distribution:  Indo-West Pacific: East Africa, from Gulf of Aden to Zanzibar, northern Madagascar and Mauritius (but not from Red Sea or Persian Gulf) eastward to Hong Kong and Papua New Guinea. Apparently replaced by Stolephorus apiensis in Fiji and Samoa.
Diagnosis:  Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 18-19. Belly slightly rounded with 0-5 small needle-like pre-pelvic scutes. Maxilla tip pointed, reaching to or a little beyond hind border of pre-operculum, the latter convex, rounded. Small teeth on hyoid bones. Isthmus muscle tapering evenly forward. Body light transparent fleshy brown with a pair of dark patches behind occiput, followed by a pair of lines to dorsal fin origin. Bears a silver stripe on flanks. Closely resembles S. apiensis of Fiji and Samoa; S. brachycephalus of Papua New Guinea.
Biology:  A schooling fish found in coastal waters, apparently entering brackish water. Occurs in Godavari estuary, India, from February to June in salinities of 19.6-32.0 ppt, but almost totally absent in subsequent flood season. Feeds on surface plankton, primarily copepods and prawn larvae. Eggs are oval with a knob. Used for food and fish meal (Ref. 4537).
IUCN Red List Status: Least Concern (LC); Date assessed: 02 March 2018 Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Binohlan, Crispina B. - 17.10.90
Modified by: Bailly, Nicolas - 15.07.13
Checked by: Froese, Rainer - 03.02.94

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