Hot answers tagged antipredator-adaptation
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The female stood with the tail held sharply to one side, and the quills on
the back lying very flat. The male stood on his hind legs, while the
front legs grasped the sides of the female. There was no repetition of the act.
The male's urethra is 115-120 mm long, and his penis is 75 mm, so the he doesn't need to be as close to the female as one ...
1
Wikipedia has some revealing information here:
Not all puffers are necessarily poisonous; Takifugu oblongus, for example, is a fugu puffer that is not poisonous, and toxin level varies wildly even in fish that are. A puffer's neurotoxin is not necessarily as toxic to other animals as it is to humans, and puffers are eaten routinely by some species of ...
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