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Teleostei (teleosts) > Siluriformes (Catfishes) > Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Microsynodontis: Greek, mikros = small + Greek, synodon = with the teeth growing all together (Ref. 45335); emarginata: Species name from the Latin emarginatus, meaning notched at the apex, in reference to the distinctive shape of the caudal fin (Ref. 52369).

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

Freshwater; demersal; pH range: 5.0 - 5.0. Tropical

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Africa: endemic to the upper Ogowe River in south-eastern Gabon (Ref. 52369, 81251).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 52369)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 10 - 12; Vertebrae: 34 - 37. Diangosis: caudal fin emarginated (Ref. 52369, 81251). Body slender and elongate; adipose fin moderately long (base 27.9-30.2% SL); caudal peduncle depth 8.4-9.8% SL; snout length 41.4-47.9% SL; eye diameter 17.8-21.2% SL; both sexes with short (< 0.1 mm) tubercles on dorsal and lateral surfaces of head; supracleithral process not reaching to vertical through posterior-most tip of nuchal shield; dorsal spine curved; anterior edge of pectoral spine with antrorse serrations (Ref. 81251).

Found in a very slow-flowing creek (Ref. 52369).

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Ng, H.H., 2004. The Microsynodontis (Teleostei: Siluriformes: Mochokidae) of the lower Guinea region, west central Africa, with the description of eight new species. Zootaxa 531:1-52. (Ref. 52369)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01445 (0.00644 - 0.03242), b=2.90 (2.71 - 3.09), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±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).

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Microsynodontis emarginata Ng, 2004