Raiamas senegalensis (Steindachner, 1870)
Senegal minnow
photo by Mody, K.

Family:  Cyprinidae (Minnows or carps), subfamily: Danioninae
Max. size:  24.5 cm TL (male/unsexed); max.weight: 60.0 g
Environment:  benthopelagic, potamodromous
Distribution:  Africa: basins of the Nile, Chad, Niger, Gambia, Senegal, Volta and coastal basins of Sassandra, Bandama, Comoé, Tano, Pra, Ouémé, Ogun and Sanaga, which seems to represent its southern distributional limit (Ref. 2940, 81282). Also known from the Cross River in Cameroon (Ref. 81639).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal spines: 0-0; Anal soft rays: 16-18. Diagnosis: body depth 3.9-6.2x and head length 3.4-4.7x SL; eye diameter 3.1-4.9x head length (Ref. 2940, 81282). Scale formula 9.5-11.5/48-64/4.5-6.5; 14-16 scales around caudal peduncle; 8 dorsal-fin branched rays; 13-15 anal-fin branched rays (Ref. 2940, 81282, 81639). Usually less than 15 vertical bars on sides; known from the large Nilo-Sudanese basins (Ref. 2940, 81282). Round spot on caudal peduncle (Ref. 81639). Description: mouth terminal, without barbels; scales with divergent striae; dorsal fin falciform, originating in advance of anal fin; caudal fin forked (Ref. 81639). D: III,8; A: III,13-15; P: 14-16; V: I,8 (Ref. 2940, 81282, 81639). Gill rakers short (Ref. 2940, 81282). Coloration: live specimens silvery with greyish green back; sides marked with 12-15 black vertical bars becoming progressively lower posteriorly (Ref. 2940, 81282, 81639). Intermediate spots or bars may be present in anterior part of body; orange-colored fins in life (Ref. 2940, 81282).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 01 May 2009 Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Cruz, Tess - 24.03.92
Modified by: Geelhand, Dimitri - 06.06.17
Checked by: Sa-a, Pascualita - 29.08.94

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by sortiz, 10/02/17