Actinopterygii (ray-finned fishes) > Clupeiformes
(Herrings) > Clupeidae
(Herrings, shads, sardines, menhadens) > Dorosomatinae
Etymology: Laeviscutella: Latin, laevis = flat + Latin, scutum, scutella, diminutive = shield (Ref. 45335). More on author: Poll.
Environment / Climate / Range
Freshwater; brackish; pelagic. Tropical; 10°N - 7°S, 6°W - 15°E (Ref. 188)
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 4 - 4 cm
Max length : 4.0 cm SL male/unsexed; (Ref. 188)
soft rays: 16 - 27. Probably not exceeding about 4 cm standard length. Pre-pelvic scutes 7 or 8, with lateral arms but without keels and hidden by scales; post-pelvic scutes without arms, but supporting a low membranous keel. Distinguished from all other West African pellonulines with scutes, by the absence of lateral arms on its post-pelvic scutes, except Sierrathrissa whose pre-pelvic scutes lack arms.
Africa: lower reaches of rivers (Casamance River in Senegal to Democratic Republic of the Congo) (Ref. 28136) in lagoons (Lake Ébrié, Côte d'Ivoire; Lake Nokué, Benin). Also recorded from the Niger (Ref. 2849). Presence in the lower Congo River basin needs confirmation.
Occurs in rivers, chiefly near the coast and entering lagoons, where salinities vary with the tides. The species is presumably euryhaline, although it may escape high salinities. Ripe females of 3.5 to 4 cm SL were recorded in Lake Ebrié.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeioidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: subsistence fisheries
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00533 - 0.02257), b=3.04 (2.87 - 3.21), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .