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> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology: osseensis: Named in honour of Prof. Dr. J.W.M. Osse, who initiated, together with F.A. Sibbing, the research on the Lake Tana Barbus species (Ref. 35836).

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

; sötvatten pelagiska; djupintervall 0 - 3 m (Ref. 35836). Tropical

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Africa: southern parts of Lake Tana (Ref. 35836, 96382, 128753).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 26.4 cm SL hane/ej könsbestämd; (Ref. 35836)

Short description Bestämningsnycklar | Morfologi | Morfometri

A small-sized, deep-bodied species, sometimes with a slight nuchal hump (Ref. 35836). A stiff lower jaw, tapering towards a narrow, hypertrophied distal tip, covered with thick skin (Ref. 35836). The protruded mouth does not form a cylindrical tube (Ref. 35836). Long dorsal spine, 19-27% of SL (Ref. 35836). Anal and ventral fins are rather long, 19-24% and 18-21% of SL respectively, with a rather short pectoral-ventral length, 22-26% of SL (Ref. 35836). The caudal peduncle is deep, 11-12% of standard length (Ref. 35836). Scales: 12-14 predorsal scales (Ref. 35836). Live specimens are rather dark greenish brown, the back being darker, with usually greenish fins (Ref. 35836). In alcohol the basic color is a dull yellowish brown, the back being darker (Ref. 35836).

Labeobarbus osseensis especially occurs near rocky substrates in water of less than 3 m deep (Ref. 35836). It feeds on adult insects and macrophytes (Ref. 35836).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Nagelkerke, L.A.J. and F.A. Sibbing, 2000. The large barbs (Barbus spp., Cyprinidae, Teleostei) of Lake Tana (Ethiopia), with a description of a new species, Barbus osseensis. Neth. J. Zool. 50(2):179-214. (Ref. 35836)

IUCN Red List Status (Ref. 130435)

Sårbar, se IUCNs rödlista (VU) (B2ab(i,v)); Date assessed: 01 May 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 2.6 ±0.27 se; based on food items.

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (22 of 100).

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Labeobarbus osseensis (Nagelkerke & Sibbing, 2000)