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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 Arabian oryx (Oryx leucoryx) or white oryx is a medium-sized antelope with a distinct shoulder bump, long, straight horns, and a tufted tail.It is a bovid, and the smallest member of Oryx genus, native to desert and steppe areas of the Arabian Peninsula.he Arabian oryx was extinct in the wild by the early 1970s, but was saved in zoos and private preserves and reintroduced into the wild starting in 1980.