They have circle-shaped mouths full of teeth and feed by using them to drill into their prey and suck their blood.
Yikes! I DON’T think I want to feed these fish, do you?
From Ichthyology #7 Is Called: Evolution & Classification
Page #10

They have circle-shaped mouths full of teeth and feed by using them to drill into their prey and suck their blood.
Yikes! I DON’T think I want to feed these fish, do you?
From Ichthyology #7 Is Called: Evolution & Classification
Page #10
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