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Melanotaenia praecox (Weber & de Beaufort, 1922) Dwarf rainbowfish |
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photo by
Muséum-Aquarium de Nancy/B. Alenda |
| Family: | Melanotaeniidae (Rainbowfishes, blue eyes) | |||
| Max. size: | 5 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | Asia: Mamberamo River in northern Irian Jaya, Indonesia. | |||
| Diagnosis: | Dorsal spines (total): 5-7; Dorsal soft rays (total): 10-14; Anal spines: 1-1; Anal soft rays: 16-21. Develops a very deep body, particularly in males, at a remarkably small size (3.0-3.5 cm SL). | |||
| Biology: | Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm (Ref. 51539). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 06 December 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||