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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Orthochromis: Greek, ortho = straight + Greek, chromis = a fish, perhaps a perch (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; depth range 1 - 1 m (Ref. 28906). Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: endemic to the Malagarasi River basin, only known only from the Majamazi River [=Milowesi River], a western affluent of the Ugalla River in Tanzania (Ref. 28906).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref. 28906)

Short description Morphology | Morphometrics

Dorsal spines (total): 18 - 19; Dorsal soft rays (total): 8-9; Anal spines: 3; Anal soft rays: 9 - 10; Vertebrae: 30 - 31

Inhabits relatively clear, swift and shallow water with rocky bottom; found near the ground trying to hide between the stones and boulders; probably mouthbrooding (Ref. 28906).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

De Vos, L. and L. Seegers, 1998. Seven new Orthochromis species (Teleostei: Cichlidae) from the Malagarasi, Luiche and Rugufu basins (Lake Tanganyika drainage), with notes on their reproductive biology. Ichthyol. Explor. Freshwaters 9(4):371-420. (Ref. 28906)

IUCN Red List Status (Ref. 109396)

Endangered (EN) (B1ab(iii)+2ab(iii))

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries:

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01479 (0.00693 - 0.03157), b=2.97 (2.80 - 3.14), based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Low vulnerability (10 of 100) .

Price category (Ref. 80766): Unknown.

Orthochromis rubrolabialis De Vos & Seegers, 1998