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Seahorses swim upright, and they do it poorly: they are the slowest moving fish in the world with a top speed of about 5 ft (1.5 m) per hour! Slowest Animals In The World: Seahorse (source: Nick Hobgood). 8. Gila Monster â The Gila monster is a heavy slow moving lizard.iant Tortoise â The giant tortoise is the worldâs slowest reptile and one of the slowest animals in the world. But with a life span of 190 years, heâs not in a rush. And besides, youâd move slow too if you weigh as much as 300 kg (660 lbs). Slowest Animals In The World: Giant Tortoise (source: wiki).
The dog in the picture is running very fast. Other things that move fast are racing cars, planes and some animals. The fastest animal in the world is the cheetah. Another word for fast is quick. The opposite of fast is slow.