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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Thysochromis: Greek, thysis, -eos = impulsive + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 24°C - 26°C (Ref. 2060); 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 reported from Ogowe basin in Gabon (Ref. 81260). Reports from Kouilou-Niari in Republic of Congo (Ref. 81260) refer to Thysochromis emili (Ref. 122428).
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. 52307, 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. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries:
Plus d'informations
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00881 - 0.02601), b=2.98 (2.84 - 3.12), 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.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).