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Oryzias minutillus Smith, 1945 Dwarf medaka |
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photo by
WWF / Vidthayanon, C. |
| Family: | Adrianichthyidae (Ricefishes), subfamily: Oryziinae | |||
| Max. size: | 2 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 7.5 - 8.5, non-migratory | |||
| Distribution: | Asia: Chao Phraya basin in Thailand and Malay Peninsula. China, Myanmar, Laos, Cambodia, Viet Nam. | |||
| Diagnosis: | Dorsal soft rays (total): 5-7; Anal soft rays: 17-21; Vertebrae: 24-28. Principal caudal fin rays 4/5 (Ref. 27658); no orange margins on caudal fin (Ref. 43281). | |||
| Biology: | Inhabits clear water swamps (Ref. 43281). Non-annual breeder (Ref. 27139). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 01 March 2007 Ref. (130435) | |||
| Threat to humans: | harmless | |||