Oryzias setnai (Kulkarni, 1940)
Malabar ricefish
Thready top-minnow,  Anu,  Saslu,  അണു
Oryzias setnai
photo by Parenti, L.R.

Family:  Adrianichthyidae (Ricefishes), subfamily: Oryziinae
Max. size:  3 cm TL (male/unsexed)
Environment:  pelagic; freshwater; brackish; pH range: 7.5 - 8.5
Distribution:  Asia: near Gulf of Kutch to Trivandrum, Kerala, India.
Diagnosis:   
Biology:  Found in estuaries, but can live temporarily in freshwater. Inhabits quiet rocks and corners of creeks and backwaters. Can withstand a wide range of salinity varying from 4.36 to 1.35% (Ref. 48443). Breeds easily throughout the year peak period during July and August. Larvicidal fish and eats mosquito larvae at the early instar stages. A suitable fish in malaria infected areas (Ref. 48443).
IUCN Red List Status: Least Concern (LC); Date assessed: 27 June 2010 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from near Gulf of Kutch to Trivandrum in Kerala (Ref. 4833. Also Ref. 245, 31267, 41236, 43640, 43641, 45255. Status of threat: Data deficient (Ref. 50614).


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