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Tetra Facts
Varies by species
Discover fascinating facts about tetras — habitat, diet, lifespan, and more!
🔬 Scientific Classification
kingdom
Animalia
phylum
Chordata
class
Varies (Actinopterygii, Chondrichthyes)
order
Varies by species
family
Varies by species
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Habitat
Freshwater and marine environments
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Diet
Varies (plankton, algae, smaller fish, crustaceans)
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Lifespan
1–200+ years depending on species
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Size
8 mm (stout infantfish) to 12+ m (whale shark)
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Conservation
Varies by species
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Scientific Name
Varies by species
💡 Fun Facts About Tetras
- 01Some fish can change sex during their lifetime — clownfish are born male and can become female.
- 02Goldfish can recognize faces and have a memory span of at least 3 months.
- 03Some fish communicate by farting — herring release bubbles from their swim bladders.
- 04The Greenland shark can live over 400 years, the longest-living vertebrate.
🐾 Looking for Tetra names?
Browse 160+ hand-picked tetra names across 9 categories.
Tetra Name Generator →🐾 Popular Animal Facts
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