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Teleostei (teleosts) > Siluriformes (Catfishes) > Mochokidae (Squeakers or upside-down catfishes) > Chiloglanidinae
Etymology: Chiloglanis: Greek, cheilos = lip + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335).
Eponymy: Dr Vernon Donald van Someren, MBE (1915–1962) was a zoologist and naturalist. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical; 20°C - 24°C (Ref. 12468)

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

Africa: eastern Lake Victoria affluents in Kenya and Tanzania (Ref. 105400) and Malagarazi River basin (Ref. 78218, 105400).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 4967)

Prefers fast-flowing upper reaches of rivers (Ref. 96588) with rocks and small boulders (Ref. 105400). Also found in residual pools (Ref. 78218). Mouth and dentition suggest that it is a bottom feeder and algal grazer; probably spawns more than once per year (Ref. 96588). Oviparous (Ref. 205).

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

Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).

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Schmidt, R.C., H.L. Bart Jr. and W.D. Nyingi, 2015. Two new species of African suckermouth catfishes, genus Chiloglanis (Siluriformes: Mochokidae), from Kenya with remarks on other taxa from the area. Zootaxa 4044(1):45-64. (Ref. 105400)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 09 December 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: potential

FAO - Publication: search | FishSource |

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Length-weight rel.
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

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

Chiloglanis somereni Whitehead, 1958