Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Lobsters have blue blood.
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