Related species for the Mexican tetra (Astyanax mexicanus)

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• Red-bellied piranha (Pygocentrus nattereri)

  

  Often feared because of its seemingly aggressive and frenzied attacks, the red-bellied piranha (Pygocentrus nattereri) has a reputation…

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  14 photos

  4 videos

• Banded neolebias (Neolebias lozii)

  

  Discovered as recently as 1993, this small, rare fish is only found in two streams within the Upper Zambezi River floodplain, Zambia. The…

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  2 photos

  0 videos

• Tambaqui (Colossoma macropomum)

  

  Information on the tambaqui is currently being researched and written and will appear here shortly.…

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  8 photos

  2 videos