Actinoptérygiens (poissons à nageoires rayonnées) >
Perciformes (Perch-likes) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Thysochromis: Greek, thysis, -eos = impulsive + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environnement / Climat / Gamme
Écologie
; eau douce démersal; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 24°C - 26°C (Ref. 2060), preferred ?; 13°N - 3°N
Africa: from coastal basins in Ivory Coast (rivers Agnébi, Me, Bia, Comoé, Tano) to forested coastal lowlands in Nigeria (Ogun, Oshun, Niger delta, Ethiop, Calabar, Great Kwa and lower Cross) including the Ouémé in Benin (Ref. 53405, 81260). Also in the Ogooué basin in Gabon and the Kouilou-Niari in Republic of Congo (Ref. 81260).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 8.8 cm SL mâle / non sexé; (Ref. 53405)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 13 - 16; Rayons mous dorsaux (Total): 9-11; Épines anales 3; Rayons mous anaux: 7 - 9.
Pair-bonding, substrate brooder which spawns preferentially in caves or cave-like structures (Ref. 81260). Maximum TL was recorded at 12.0-13.0 cm (Ref. 5706).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Daget, J., 1991. Thysochromis. p. 480-481. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5706)
Statut dans la liste rouge de l'IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00889 - 0.02578), b=2.99 (2.85 - 3.13), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Résilience (Ref.
69278): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité (Ref.
59153): Low vulnerability (12 of 100) .