Goldfish were originally green. The Chinese bred them to be many different colors. Gold stuck.
Sea urchins reproduced by splitting themselves in two.
Goldfish have a memory span of three seconds.
The skin of a tiger shark is 10 times as strong as ox hide.
Oysters can change gender according to the temperature of the water they live in.
A group of jellyfish is known as a “”smack.””
Jellyfish are 99 percent water.
Fish with forked tails swim faster than fish with straight tails.
The dolphins that live in the Amazon River are pink.
