This one is the largest of the existing isopods.

“The enormous size of the giant isopod is a result of a phenomenon known as deep sea gigantism.

This is the tendency of deep sea crustaceans and other animals to grow to a much larger size than similar species

in shallower waters.” (Image credits: Littoraria)

This saiga, spread around the Eurasian steppe, is known for its an extremely unusual,

over-sized, flexible nose structure, the proboscis. (Image credits:enews.fergananews.com)

This bright blue fish can be found in the waters of the Atlantic Ocean,

and spends 80% of its time searching for food. (Image credits: imgur | depalmadise)