Sperm is designed that way, so it gets to it's destination as quickly as possible. It has a limited lifetime and must act fast to be the one in a million which reaches the egg to fertilize it.
No such animal.
No such animal.
Check out:How_long_does_it_take_sperm_to_reach_an_egg
so it can swim
Dolphin swim fast so they can catch there prey
so it can swim
They move their tails up and down so fast that it makes swim fast.
he can swim just as fast as any other penguin so not very fast then
Well you can consider that they swim fast their ill tempered so when made they swim faster.
The streamlined shape of a sperm cell helps it swim efficiently through the female reproductive tract to reach the egg for fertilization. This shape reduces drag and allows the sperm cell to move quickly and effectively towards its target.
=How fast does a squid swim?==they can swim really fast=
Harp seals need to be able to swim fast so that they can escape predators as well as to catch fish to eat.