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Melanotaenia praecox
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Melanotaenia praecox

Common Names: Dwarf Neon Rainbow
Dwarf Rainbowfish
Neon Rainbow
Synonyms: Rhombatractus praecox
Family: Melanotaeniidae
Category: Rainbowfish
Distribution: Asia; Mamberamo River in Irian Jaya
Main Ecosystem: River; River
Temperament: Peaceful; Peaceful semi-schooling fish. Males can be a little fiesty with the females so to prevent particular females being harrassed a ratio of 1 male to 3 females works well. Will school with other fish.
Diet: Ominvore; Ominvore
Care: Will accept most commercial foods. Prefers live or frozen foods, particularly bloodworms. Loves chopped up, shelled, defrosted peas. Also eats some algae. Easy to care for. Will show best colours in a planted tank with some shady areas.
pH:
6 - 8
Temperature:
22°C - 28°C
72°F - 82°F
Hardness:
Potential Size: Male: 5cm (2")
Female: 5cm (2")
Water Region: Middle, Surface; Middle-Surface
Activity: NonSpecific; Non Specific
Gender: Both sexes are a bright neon blue colour. Males have red dorsal, anal and caudal fins while mostly females have yellow fins. Sometimes females may have deep orange to red fins. Females are more slender than the males and slightly more silvery.
Breeding: Females produce between 20-50 eggs each day for several days. Eggs adhere to fine-leaved plants or among the roots of floating vegetation. Hatching occurs in about 7 to 8 days at temperatures between 24-28° Celsius. If breeding this fish, it is highly recomended to keep them as a species only tank. As with all rainbows, they will cross breed.
Variants:
Comments: Great beginner fish. A beautiful addition to a community tank.
Main Colours: Blue, Silver, Red
Markings: No Markings
Mouth: Normal
Tail: Concave
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Image Credit: ;Susan
Submitted By: susan
Contributors: weird22person
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