Porcupine fishes dorsal spikes.

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Porcupine fishes dorsal spikes.

Post  liquidg on 9th March 2018, 1:31 pm

This is the popular aquarium pet Diodon Holocanthus.
A part from the powerful mouth on these guys, that can bite through your thumb, the front spikes are a potent deterrent!
They can either extend multiples or just two, not the fingers as in up yours, but just two nasty spikes to deter any for of predators.
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