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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Laeviscutella: Latin, laevis = flat + Latin, scutum, scutella, diminutive = shield (Ref. 45335); dekimpei: Named in honour of M.P. De Kimpe, Ing. Eaux et Forêts, Gx., Fisheries Officer at Cotonou (Dahomey) for his services in collecting this and other species for the Musée Royal de l'Afrique Centrale in Tervuren (Ref. 42928).
Eponymy: Paul De Kimpe (d: 1927) was the Fisheries Officer at Cotonou, Dahomey (now Republic of Benin). [...] (Ref. 128868), visit book page.
More on authors: Poll, Whitehead & Hopson.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce; saumâtre pélagique. Tropical; 10°N - 7°S, 6°W - 15°E (Ref. 188)
Africa: lower parts of rivers and lagoons in West Africa (Ref. 188), from the Casamance River to the Niger delta (Ref. 2849, 28136, 81269), lower Ogowe River in Gabon (Ref. 81631) and Loémé River in Republic of Congo (Ref. 81631). Also reported to occur in the Congo River (Ref. 188, 28136), but this needs confirmation.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 3.8, range 4 - 4 cm
Max length : 5.5 cm TL mâle / non sexé; (Ref. 130826)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 14 - 16; Épines anales: 0; Rayons mous anaux: 17 - 20; Vertèbres: 39 - 42. Diagnosis: Laeviscutella dekimpei is distinguished by its congeners by the following characters: belly rounded, prepelvic scutes 7 or 8, with lateral arms but without keels and hidden by scales; postpelvic scutes without arms, but supporting a low membranous keel; lower gillrakers 21 to 26 (Ref. 188, 81269, 81631). In all other West African pellonulines with scutes, the postpelvic scutes have lateral arms, except Sierrathrissa, in which the prepelvic scutes also lack arms and the pelvic fin insertion is well before the dorsal fin origin (Ref. 188, 81631).
Body shape (shape guide): fusiform / normal; Cross section: oval.
A riverine species, chiefly near the coast and entering lagoons, where salinities vary with the tides; it is presumably euryhaline, although it may escape high salinities (Ref. 188). Ripe females of 3.5 to 4.0 cm standard length were recorded in Ebrié Lagoon (Ref. 188, 1989).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Gourène, G. and G.G. Teugels, 2003. Clupeidae. p. 125-142. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81269)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: pêcheries vivrières
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00535 - 0.01418), b=3.28 (3.14 - 3.42), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Réf.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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