Grasseichthys gabonensis Géry, 1964

Recherche rapide

Lien fishbase

Grasseichthys gabonensis : Géry, 1964 : 4805, fig.Une nouvelle famille de poissons dulcaquicoles africains : les "Grasseichthyidae". | Géry, 1965 : 385Poissons du bassin de l'Ivindo. | Roberts, 1972 a : 134Ecology of Fishes in the Amazon and Congo Basins. | Mahnert, 1976 : 473Catalogue des types de poissons, amphibiens et reptiles du Muséum d'Histoire Naturelle de Genève. | Poll, 1984 c : 13523. Grasseichthyidae. | Howes, 1985 : 292, 293-294Cranial muscles of gonorynchiform fishes, with comments on generic relationships. | Grande, 1994 : 3, 6, 7, 10, fig. 7Phylogeny and paedomorphosis in an African family of freshwater fishes (Gonorynchiformes: Kneriidae). | Poll & Gosse, 1995 : 87Genera des poissons d'eau douce de l'Afrique. | Grande & Poyato-Ariza, 1999 : 219, 238Phylogenetic relationships of fossil and recent gonorynchiform fishes (Teleostei: Ostariophysi). | Ogandagas, 2003 : 81National Report. Marine biodiversity in Gabon - the known and the unknown. | Britz & Moritz, 2007 : 3, 4, 16, 20-25, 27, 35, 36, 38, 39, 40, 41Reinvestigation of the osteology of the minature African freshwater fishes Cromeria and Grasseichthys (Teleostei, Gonorynchiformes, Kneriidae), with comments on kneriid relationships. | Schelly, 2007 : 335-338, fig. 13.113. Kneriidae. | Fara et al., 2010 : 186, 207, 208The fossil record of Gonorynchiformes. | Poyato-Ariza et al., 2010 : 229, 231, 238, 243-246, 249, 252-263, 265, 267, 269, 270, 272, 275-280, 284, 285, 291-294, 303, 304, 307, 316, 330-334, 337Gonorynchiform interrelationships: historic overview, analysis, and revised systematics of the group. | Lavoué et al., 2012 b : 104, 105, 106, 107, 108, 109, 110, 111A molecular timescale for the evolution of the African freshwater fish family Kneriidae (Teleostei: Gonorynchiformes). | Davis et al., 2013 : 331, 332, 348, 350, 351The first fossil shellear and its implications for the evolution and divergence of the Kneriidae (Teleostei: Gonorynchiformes). | Fermon et al., 2022 : 133-134, A24, photo 10An annotated checklist of the fishes of Gabon..

Attributs

DISTRIBUTION: Lien Faunafri
Colour pattern : Schelly, 2007 .
Common names : Kromérie gabunska (Czech), Grasseekala (Estonian) .
Current distribution known : scattered localities in the Ivindo and the larger Ogowe basin of Gabon; reports from the central Congo basin refer to another species .
Distribution_references : Fermon et al., 2022 | Schelly, 2007 .
Evolution : Davis et al., 2013 | Howes, 1985 | Lavoué et al., 2012b | Poyato-Ariza et al., 2010 .
Genetics : Lavoué et al., 2012b .
Habitat / home range : open water species, not burrying in sand; forms schools .
Morphology / anatomy : Davis et al., 2013 | Géry, 1965: 385 | Poyato-Ariza et al., 2010 | Schelly, 2007 .
Osteology : Britz & Moritz, 2007 | Davis et al., 2013 | Howes, 1985 | Poyato-Ariza et al., 2010 .
Phylogeny : Britz & Moritz, 2007 | Davis et al., 2013 | Grande & Poyato-Ariza, 1999 | Lavoué et al., 2012b | Poyato-Ariza et al., 2010 .
Reproduction : spawns during the raining season, during which it may be very abundant, forming aggregations in open water areas in the swamps; females carry about 40 round, ripe eggs of about 0.4mm diameter; males mature at a size of about 18mm total length .
Size : 21 mm SL .
Types :
- Grasseichthys gabonensis Géry, 1964: 4805, fig. Type locality: "Makokou Angouma Ivindo basin, Rep. of Gabon". Holotype MNHN n° 1967-442; paratypes MNHN n° 1967-443 and 444, n° 1971-38, MHNG n° 1221.15-17, (3 ex.).