| Family: |
Tanichthyidae (Mountain minnows) |
| Max. size: |
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4 cm TL (male/unsexed) |
| Environment: |
demersal; freshwater; pH range: 6 - 8; dH range: 5 - 19 |
| Distribution: |
Asia: China (Ref. 1739) and Viet Nam (Ref. 44416). Thought to be extinct in the wild (Ref. 89952). Introduced elsewhere. |
| Diagnosis: |
Dorsal spines (total): 2-3; Dorsal soft rays (total): 6-7; Anal spines: 3-3; Anal soft rays: 7-9. Body green, with golden vertical zones on central axis of body and a number of dark lines above zones; dorsal and anal fins green and transparent edge; base of caudal fin with large red round spots. Snout blunt; lip thin and lower jaw a bit protruded; barbel absent; dorsal fin short and opposite anal fin, pectoral and pelvic fins small; pelvic scute absent (Ref. 45563). |
| Biology: |
Adults are found in clean, sluggish coastal stream amongst hydrophytes (Ref. 85799). They can survive in water temperature as low as 5°C. They feed on zooplankton and detritus. Migratory behaviour is undetermined (Ref. 126106). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 15 December 2010 Ref. (130435)
|
| Threat to humans: |
harmless |
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