Rathbun's Bloodfin (Aphyocharax rathbuni)

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Rathbun's Bloodfin

Aphyocharax Rathnuni-8877.jpg
Rathbun's Bloodfin

Aphyocharax rathbuni

45 Litres (12 US G.)

2-3 cm (0.8-1.2")




6.0 - 7.5

20 -26 °C (68-78.8°F)

15-25 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

3-6 years



Additional names

Rathbun's Bloodfin, Redflank Bloodfin, Green Fire Tetra, Greenfire Tetra

Additional scientific names

Aphyocharax stramineus


Males have white tips on the dorsal fin, anal fin, caudal lobes and pelvic fins.

Tank compatibility[edit]

A peaceful community fish that should be kept in shoals of 6 or more. Should not be kept with predatory fish, nor with fish with long-fins.


Will take most foods including pellet and flake as well as live/frozen food such as brine shrimp and daphnia.

Feeding regime[edit]

Feed once or twice a day.

Environment specifics[edit]

Prefers a densely planted tank with hiding places as well as some open swimming space.


A peaceful shoaling fish.


Bares some resemblance to a Neon Tetra, however, the top half of the fish is rich green in colour and the back lower half of the fish is a deep red to the caudal peduncle. There's also some red colouring on the underside of the head and throat.


External links[edit]