Aphyocharax anisitsi
Silver bullet body, blood-red fins, and one of the most temperature-tolerant tetras on the market, comfortable in unheated rooms as low as 18 °C. Sprints in tight schools when kept eight-plus. Pairs unusually well with white clouds and other temperate-leaning fish.
Bloodfin Tetra (Aphyocharax anisitsi) reaches 5–5.5 cm as an adult and needs a minimum tank of 75 L. Native to Paraná River basin, Argentina, it lives in the mid to top water column with a peaceful (active) temperament. Aim for 18–28 °C, pH 6.0–8.0, and 5–20 dGH hardness. Lifespan is 5–8 years with good care. Keep bloodfin tetra in groups of 8+, yes schoolers need numbers to display natural behaviour. Diet: omnivore, Flake, micro pellets, frozen daphnia, bloodworms. Surface and mid-water feeder. Plant-safe: Yes. Shrimp-safe: Mostly (may eat shrimplets).
Care at a glance
Silver bullet body, blood-red fins, and one of the most temperature-tolerant tetras on the market, comfortable in unheated rooms as low as 18 °C. Sprints in tight schools when kept eight-plus. Pairs unusually well with white clouds and other temperate-leaning fish.
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The parameters that decide whether bloodfin tetra fits in your tank.
Mid to Top
Yes
Group of 8+
Characidae
Omnivore
Flake, micro pellets, frozen daphnia, bloodworms. Surface and mid-water feeder.
5–8 yrs
Medium
Paraná River basin, Argentina
Paraná River basin, Argentina
Tank-mate safety and the species this one is documented to thrive (or fail) alongside.
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Bloodfin Tetra (Aphyocharax anisitsi) needs a minimum tank of 75 L. They live in the mid to top water column and should be kept in groups of 8+, so a longer footprint matters more than depth.
Target 18–28 °C, pH 6.0–8.0, and 5–20 dGH hardness. Acclimate slowly when moving them between water sources.
Shrimp safety: Mostly (may eat shrimplets). Plant safety: Yes.
Bloodfin Tetra are omnivore. Flake, micro pellets, frozen daphnia, bloodworms. Surface and mid-water feeder.
On Fin & Stem's 1–5 difficulty scale this species rates 1/5. Almost unkillable, a solid first-tank choice. Breeding difficulty: medium.
Typical lifespan in a well-maintained tank is 5–8 years.
A planted tank is a system. Pair this fish with one entry from each other pillar to plan the whole scape.
