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> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); thereuterion: The name refers to the predatory habits of this small species (Ref. 47153).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Tropical

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Africa: Lake Victoria.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 8.2 cm SL mannelijk / geslacht onbekend; (Ref. 47153); 7.6 cm SL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 15 - 16; Dorsale zachte stralen (totaal) : 8 - 10; Anale stekels: 3; Anale zachte stralen: 7 - 10; Wervels: 29 - 32. Small, slender, laterally compressed body (Ref. 47153). A rather acutely pointed snout (Ref. 47153). Lips slightly thickened (Ref. 47153). Lower jaw ventral outline almost straight, the rostral outline of lower jaw straight or slightly convex with a smoothly rounded mental area (Ref. 47153). Pectoral fins just reaching the anus; dorsal fin rays slightly longer than those of the anal fin, nearly reaching the caudal fin base (Ref. 47153). All scales on the head are cycloid; scales on rostral part of dorsum cycloid or very weakly ctenoid, caudal part of dorsum with ctenoid scales; scales on flank and caudal peduncle ctenoid; ventral chest scales small and cycloid, lateral chest scales moderately small, weakly ctenoid (Ref. 47153).Live basic color for males is bluish-grey dorsally and silvery white ventrally, sexually active males have a pitch black head and body; females and juveniles have a distinct, relatively thin mid lateral band, but the cheek of the females are slightly more greyish (Ref. 47153). Two continuous longitudinal bands on the body (Ref. 47153).

Haplochromis thereuterion occurs in the upper layers of the water column in Lake Victoria (Ref. 47153).

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Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

van Oijen, M.J.P. and F. Witte, 1996. Taxonomical and ecological description of a species complex of zooplanktivorous cichlids from Lake Victoria. Zool. Verh. Leiden 302:56 p. (Ref. 47153)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Kwetsbaar, zie IUCN Rode Lijst (VU) (D2); Date assessed: 31 March 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Haplochromis thereuterion van Oijen & Witte, 1996