Limnothrissa miodon (Boulenger, 1906)
Lake Tanganyika sardine
Limnothrissa miodon
photo by Mohamed, A.D.

 Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Dorosomatinae
 Max. size:  17 cm SL (male/unsexed)
 Environment:  pelagic; depth range 20 - 40 m, non-migratory
 Distribution:  Africa: endemic to Lake Tanganyika (Ref. 28136), but introduced into several other lakes (Lake Kivu, Lake Kariba, and Cabora Bassa reservoir) (Ref. 188, 28136).
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 13-18; Anal spines: 0-0; Anal soft rays: 15-19; Vertebrae: 41-44. Body fairly slender. Pre-pelvic scutes not strongly keeled, beginning behind base of last pectoral fin ray. Maxilla blade over 4 times as long as its shaft, its lower toothed edge continued forward to meet hind tip of pre-maxilla; second supra-maxilla asymmetrical, lower half larger. Lower gill rakers long and slender. A distinct silver stripe along flank. Snout broad with tapering sides, not concave when viewed from above. It has a large air bladder which is responsible for its ability to move great vertical distances.
 Biology:  Near shore and in bays. Very common, has been successfully introduced to Lakes Kava, Kariba and Carbora Bass (Ref. 4967). A lacustrine species, preferring open water (Ref. 13337). Forms large schools. Mainly nocturnal and feeds on plankton (especially atyid shrimps, also copepods, prawns), but larger individuals take larval Stolothrissa. Cannibalism does occur (Ref. 13337). Breeds close to shore throughout the rainy seasons, but with peaks in May to June and December to January. Fire is used to attract the fish and caught by means of scoop nets (Ref. 36900).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  potential pest
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 17.10.90
 Modified by: Bailly, Nicolas - 15.07.13
 Checked by: Boden, Gert - 31.05.05

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