Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology: Tylochromis: Greek, tylos = callus + Greek, chromis = a fish, perhaps a perch (Ref. 45335); pulcher: Named in reference to the beautiful coloration of the males (Ref. 52346).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Africa: middle Congo River basin, in the mainstream of the middle Congo River, lakes Mai-Ndombe and Tumba, the Kasai and Lukenie, and the Ruki, in Democratic Republic of the Congo (Ref. 52307, 52346).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.9 cm SL male/unsexed; (Ref. 52346)
Morphology | Morphometrics
(total): 15 - 16;
soft rays: 7 - 8;
Vertebrae: 29. Diagnosis: slender, gracile lower pharyngeal jaw with a narrow, elongate keel; 17-19 gill-rakers on lower limb of first arch; entire premaxillary oral flap; mature males with a prominent oblique band behind head (Ref. 52346).
Mainly found in lakes and surrounding swamps and seasonally inundated forests; primarily a benthic macrophage (Ref. 52346). Feeds upon larger particles, plants as well as insects; maternal mouthbrooder that does not pair bond (Ref. 52307).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Stiassny, M.L.J., 1989. A taxonomic revision of the African genus Tylochromis (Labroidei, Cichlidae); whith notes on the anatomy and relationships of the group. Ann. Mus. R. Afr. Cent. Ser. 8, Sci. Zool., 258:1-161. (Ref. 52346)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00747 - 0.04041), b=3.03 (2.83 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.40 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .