Labeo rouaneti is a species of ray-finned fish in the genus Labeo (family Cyprinidae), endemic to freshwater systems in Guinea, West Africa.
Taxonomy and Naming
- Described by French ichthyologist Jacques Daget in 1962.
- The genus name Labeo derives from Latin, meaning "one who has large lips" (Ref. 45335).
- The specific epithet rouaneti honors Raymond Rouanet, who was Curator of Eaux et Forêts (Waters and Forests) in Guinea. He authored Justification des projets de budget local du service des eaux et forêts, Conakry (1957) and assisted in facilitating Daget's expeditions in Guinea.
Distribution and Habitat
- Known only from the Kakrima River in the Konkouré basin in Guinea.
- Inhabits freshwater, benthopelagic environments, specifically rocky, rapid-water habitats in tropical climates.
Description
- Maximum standard length: 36.0 cm; maximum total length recorded at 49 cm.
- Elongated body shape with a steeply arched dorsal profile between the snout and dorsal fin.
- Body depth is 2.4–2.9 times standard length.
- Dorsal fin has 14–15 soft rays; anal fin has 8 soft rays.
- Dorsal fin distal margin is concave.
- Scale formula: 5.5–6.5 / 38–39 / 6.5–7.5; 4.5 scales between lateral line and pelvic-fin base; 16 scales around the caudal peduncle.
- 11–12 branched dorsal fin rays.
- 30–46 gill rakers (in specimens 50–150 mm) and 49–56 gill rakers (in specimens 150–250 mm).
Conservation Status
- Listed as Vulnerable (VU) on the IUCN Red List (assessed 6 April 2020) under criteria B1ab(iii), due to its restricted range.
Affinities
- Morphologically similar to Labeo coubie, but distinguished by the shape of the upper edge of the dorsal fin (straight or slightly convex in L. coubie vs. concave in L. rouaneti) and chin shape.
Human Use
- Considered of no interest to fisheries.
