Iriatherina werneri

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Threadfin Rainbowfish
Threadfin Rainbowfish
Species	Iriatherina werneri
Difficulty	Moderate
Min. Tank Size	56.781 liters 56,781.177 mL 15 US Gallons (56.8L)
Size	1.969 in 3-5 cm (1.2-2")
pH	6 - 8
Temp.	299.15 K 78.8 °F 538.47 °R 303.15 K 86 °F 545.67 °R26 -30 °C (78.8-86°F)
Water Hardness	5-12
Stocking Ratio	1:2 M:F
Availability	Uncommon
Diet	Omnivore Pellet Foods Flake Foods Live Foods Other (See article)
Life Span	3-5 years

[edit] Alternative names

Threadfin Rainbowfish

[edit] Sexing

The male has more elongated dorsal and ventral fins.

[edit] Tank compatibility

An entirely peaceful fish that is vulnerable to being fin-nipped. Keep this fish in groups of its own kind, with more females than males. Multiple males will mean you see the best colours as they will display to each other.

[edit] Diet

Best fed on small live food such as daphnia and tubifex, may also learn to accept flake and pellets.

[edit] Feeding regime

Feed once or twice a day.

[edit] Environment Specifics

Appreciates a densely planted mature tank with good filtration but not too strong a current.

[edit] Behaviour

An active peaceful fish. Males may chase each other and display.

[edit] Identification

A distinctive little Rainbowfish, with an elongated pointed body, the dorsal, anal and caudal have very long extended rays, giving the fish it's common name. The body is coloured iridescent yellow/green with hints of blue. The fins can vary in colour.

[edit] Pictures

Threadfin Rainbowfish

[edit] Videos

Male displaying for a female:

[edit] External links

• Fishbase
• Practical Fishkeeping
• Iriatherina Werneri.com
• The Tropical Tank