blind cave tetra

  1. Mexican tetra/blind cave fish species profile

    Mexican tetra/blind cave fish species profile

    By User:Haplochromis - Self-photographed, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3037258 Above is the blind, cave form, the lower one is the normal surface dwelling form. This fish, as you can see, has two forms in the wild, which are the same species. One is eyeless and...
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