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How to look after
Iriatherina werneri
Threadfin rainbowfish
Meinken, 1974

Iriatherina werneri - Threadfin rainbowfish - The threadfin rainbow fish is a magnificent, but delicate species from slow moving waters in New Guinea
The threadfin rainbow fish is a magnificent, but delicate species from slow moving waters in New Guinea
more images here

(Other members of the genus Iriatherina)

ADULT SIZE: 5 cm

WATER CONDITIONS: Not critical

TEMPERATURE RANGE: 25-28 C

FOOD: Feed Iriatherina werneri small live-foods and fine grade dried foods

DISTRIBUTION: This species comes from Australia, New Guinea

2 nice pair threadfin rainbows Iriatherina werneri breeding size

Current price: $54.99
buy it now
Time left: 22d 7h 26m
Male Threadfin Rainbow Iriatherina Werneri Live Freshwater Aquarium Fish

Current price: $4.52
buy it now
Time left: 28d 20h 28m

AQUARIUM CARE: The threadfin rainbow is a very attractive, but very delicate species. It comes from the slower moving waters of New Guinea, so stronger currents should be avoided. This species likes a well-plated tank with floating plants.

It is not difficult to keep, but really should go in a species tank, or a community of the most delicate fish.

BREEDING: Best bred with spawning mops allowing the fry to be raised seperately

Have you bred Iriatherina werneri? Why not fill in a breeding questionaire?, or examine existing Iriatherina werneri breeding reports








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Fishkeeping Facts and Tips

Should I have water movement in my tank? Fish from faster flowing rivers love swimming against a current - fish from vegetation choked marshes do not. With todays box filters it is quite easy to get some good water flow for strong swimmers like Rainbowfish, whilst a spray bar attachment can completely remove this for gentler swimmers like Gouramis


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