marinebiology

Hand feeding a Nautilus. A creature that's gone unchanged for the last ~500 million years. (For scale T-Rex came into being and went extinct between 60-80 million years ago).

Hand feeding a Nautilus. A creature that's gone unchanged for the last ~500 million years. (For scale T-Rex came into being and went extinct between 60-80 million years ago).

Video Credits to: u/noahk__
< Previous can anyone tell me what kind of crabs these are? The sarcastic fringehead (Neoclinus blanchardi) is a very bellicose saltwater fish that can open its mouth widely and use it as an assault weapon when engaging in territorial battles. They joust by pushing their distended mouths against each other, as if Next >
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