The longest goldfish to date measured 18.7 inches. The fish, which belonged to a Dutch lady, was never weighed, so his mass remains unclear. However, a goldfish caught in Michigan measured 15 inches and weighed 3 lbs, so itâs safe to assume that Dutch behemoth weighed in excess of 3 lbs.
They range in size from less than an inch to several inches. The giant desert centipede is usually 6 to 8 inches (15 to 20 cm) long, while the common desert centipede is 4 to 5 inches (10 to 13 cm) long.The larger giant desert centipede is orange with a black head and tail. This warning coloration advertises the centipede as dangerous.hey range in size from less than an inch to several inches. The giant desert centipede is usually 6 to 8 inches (15 to 20 cm) long, while the common desert centipede is 4 to 5 inches (10 to 13 cm) long.
Dendroaspis. The black mamba (Dendroaspis polylepis) is Africaâs largest venomous snake and also one of its most feared. This species is also one of the fastest snakes in the world and can slither at speeds of up to about 20 kilometres per hour.