Blood Fin Tetra – LM Pet Shop

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Here is a complete care guide and detailed profile for the Bloodfin Tetra, a popular and hardy freshwater schooling fish with striking red fins.


๐ŸŸ Bloodfin Tetra โ€“ Full Details & Care Guide


โœ… Common Names:

  • Bloodfin Tetra

  • True Bloodfin

  • Redfin Tetra


๐Ÿ”ฌ Scientific Classification:

Category Detail
Scientific Name Aphyocharax anisitsi
Family Characidae
Order Characiformes
Origin South America (Paranรก River Basin โ€“ Argentina, Paraguay)

๐ŸŽจ Appearance:

Feature Description
Body Color Shiny silver body with slight green or blue reflection
Fins Bright red or blood-red fins (especially tail, anal, and dorsal fins)
Size 2 to 2.5 inches (5โ€“6.5 cm)
Lifespan 5 โ€“ 8 years with good care

๐Ÿ”ด Their bright red fins are especially vivid in a planted tank or under soft lighting.


๐ŸŒก๏ธ Water Parameters:

Parameter Ideal Range
Temperature 22 โ€“ 28ยฐC (72 โ€“ 82ยฐF)
pH Level 6.0 โ€“ 7.5
Hardness 5 โ€“ 15 dGH
Water Type Freshwater, clean and well-oxygenated

๐Ÿก Tank Setup:

Feature Recommendation
Tank Size Minimum 15 gallons (larger is better)
Group Size Best in schools of 6โ€“10+
Substrate Dark gravel or sand
Plants Live plants like Vallisneria, Java fern, and Anubias
Decorations Driftwood, stones, open swimming space
Lighting Moderate (highlighting fins and reflections)
Filtration Sponge or hang-on-back filter with gentle flow
Tank Cover Required โ€“ they can jump!

๐Ÿงฌ Temperament & Behavior:

Behavior Description
Temperament Peaceful and social
Schooling Yes, always in groups
Swimming Zone Middle to top levels
Activity Level Very active and playful
Compatibility Ideal for community tanks

๐Ÿฝ๏ธ Feeding:

Food Type Examples
Staple Diet High-quality flake or micro pellets
Live/Frozen Brine shrimp, bloodworms, daphnia
Vegetables Blanched spinach, peas, spirulina-based food
Feeding Schedule 2โ€“3 small meals per day

โœ… They are omnivores with strong appetites and fast eaters.


๐Ÿฃ Breeding Bloodfin Tetras:

Breeding Trait Description
Spawning Type Egg scatterers
Breeding Tank Separate tank with fine plants/mops
Water Conditions Soft, slightly acidic (pH 6.5, ~25ยฐC)
Mating Behavior Pair dances and scatter eggs
Parental Care None โ€“ remove adults after spawning
Fry Care Infusoria โ†’ baby brine shrimp after hatching (~24โ€“36 hrs)

๐Ÿค Tank Mates:

โœ… Good Tank Mates โŒ Avoid
Neon Tetras Large aggressive fish
Glowlight or Rummy Nose Tetras Tiger barbs (fin-nippers)
Corydoras Catfish Bettas (may be fin-nipped)
Mollies, Platies Goldfish (different conditions)
Rasboras Oscars, Arowanas

๐Ÿ  They do best in peaceful community tanks with fish of similar size and temperament.


๐Ÿงผ Maintenance Tips:

  • ๐Ÿ’ง Weekly water changes of 25โ€“30%

  • ๐Ÿงช Regularly monitor ammonia, nitrite, and pH levels

  • ๐ŸŒฟ Clean substrate and trim plants as needed

  • ๐Ÿ”„ Keep stable temperature and low stress


๐Ÿงพ Quick Profile Summary:

Trait Value
Scientific Name Aphyocharax anisitsi
Common Name Bloodfin Tetra
Size 2 โ€“ 2.5 inches
Lifespan 5 โ€“ 8 years
Temperament Peaceful, schooling
Tank Size 15+ gallons
Swimming Zone Middle to top
Diet Omnivore
Care Level Beginner-friendly
Breeding Easy in the right conditions

๐ŸŒŸ Highlights:

  • ๐Ÿ”ด Vivid red fins contrast beautifully with a silver body

  • ๐ŸŸ Hardy and excellent for beginner aquarists

  • ๐Ÿ‘ฅ Best viewed in groups with good lighting

  • ๐ŸŒฟ Great addition to planted community aquariums


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