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: robustus: From the Latin robustus, meaning heavy or strong, refers to the big size and robust overall body shape (Ref. 91055).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic. Tropical
Africa: only known from Yaekama (middle Congo River) in Democratic Republic of the Congo (Ref. 91055).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm SL male/unsexed; (Ref. 91055)
Morphology | Morphometrics
(total): 16 - 17;
soft rays: 5 - 7;
Vertebrae: 24 - 25. Diagnosis: Congochromis robustus differs from all congeners in its much larger size, 75.6 mm standard length vs. 49.5 mm in C. dimidiatus, 51.5 mm in C. pugnatus, 52.5 mm in C. sabinae and 44.7 mm in C. squamiceps; its greater cheek depth, 30.4-33.8% of head length vs. 20.1-32.0% in C. dimidiatus, 24.4-28.8% in C. pugnatus, 16.5-31.1% in C. sabinae and 24.1-32.0% in C. squamiceps; its greater snout length, 28.9-38.7% of head length vs. 16.6-27.2% in C. dimidiatus, 28.6-33.3% in C. pugnatus, 18.8-34.3% in C. sabinae and 21.5-30.4% in C. squamiceps; its smaller eye orbit diameter, 23.8-27.7% of head length vs. 28.9-35.1% in C. dimidiatus, 26.9-30.6% in C. pugnatus, 26.2-33.9% in C. sabinae and 27.1-34.8% in C. squamiceps; and its smaller postorbital length, 37.5-43.4% of head length vs. 42.6-47.4% in C. dimidiatus, 39.9-45.1% in C. pugnatus, 37.5-47.3% in C. sabinae and 40.7-46.0% in C. squamiceps (Ref. 91055).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lamboj, A., 2012. A new species of the genus Congochromis (Cichlidae) from the Central Congo basin. Cybium 36(2):349-352. (Ref. 91055)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5312 [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
Trophic Level (Ref. 69278
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .