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Rasbora daniconius (Hamilton, 1822) Slender rasbora |
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photo by
Jayasinghe, A. |
| Family: | Danionidae (Danios), subfamily: Rasborinae | |||
| Max. size: | 15 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; brackish; pH range: 7; dH range: 12, potamodromous | |||
| Distribution: | Asia: Mekong, Chao Phraya and Salween basins, northern Malay Peninsula, westwards to the Indus and Sri Lanka. | |||
| Diagnosis: | Dorsal soft rays (total): 9-9; Anal soft rays: 7-7. Black stripe from eye to caudal fin; nearly complete lateral line, with only last few scales lacking pores (Ref. 12693). | |||
| Biology: | Occurs in a variety of habitats (Ref. 27732): ditches, ponds, canals, haors, streams, rivers and inundated fields (Ref. 1479). Inhabits mainly sandy streams and rivers (Ref. 6028). Found in medium to large rivers and brooks of the middle Mekong (Ref. 12975). In the Mekong basin, this species is usually associated with large, slow flowing rivers, usually with turbid waters (Ref. 43281). Sometimes forms large schools. Feeds mainly on aquatic insects and detritus. A surface feeder (Ref. 1479). Spawning sites are found in rivers and ponds (Ref. 33813). Mature adults probably breed during the rainy season. Hardy and adaptable in the aquarium. | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 17 March 2011 Ref. (130435) | |||
| Threat to humans: | harmless | |||