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); regani: Named for C. Tate Regan whose pioneering work at the British Museum of National History laid the foundation for many studies of African freshwater fishes (Ref. 52346).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Africa: lakes Upemba and Mweru, and from the rivers Lualaba, Lufira, Luvua and Luapula below Kasenga, in Democratic Republic of the Congo and Zambia (Ref. 52346).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.5 cm TL male/unsexed; (Ref. 2266)
Morphology | Morphometrics
(total): 14 - 15;
soft rays: 7 - 9;
Vertebrae: 28 - 29. Diagnosis: 37-40 lateral line scales; terminal canal bearing scales of upper branch do not descend scale rows; 2 series of scales between upper lateral line and anterior part of lower; 15-17 gill-rakers along lower limb of first arch; entire premaxillary oral valve; 28 vertebrae; inferior vertebral apophysis of standard Tylochromis type; lower pharyngeal jaw never extremely robust with mill-like molariform teeth extending over dentigerous surface; 10-15 relatively stout outer row teeth and usually only one inner row on lower jaw (Ref. 52346).
Benthic macrophage (Ref. 52346). Mainly feeds on plants and insect larvae; 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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.6 ±0.26 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 (27 of 100) .