Quick Facts
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Common Names: Mexican Tetra or Blind Cave Fish
Life Span: 5 to 10 years
Habitat: Dark caves in freshwater rivers, lakes, pools
Color: No pigmentation (in the cave dwelling lineage)
Size: 3.5 to 4.5 inches long
Fun Fact: The Mexican Tetra does not have eyesight! They are born with eyes, but due to degeneration their skin covers their eyes as they age. However, they can still detect light using their pineal glands.