They grow about 8mm, but if in a very good and big environment, they can grow up to 20mm.
Shrimp.
Shrimp
depends how big the shrimp is
A marine crustacean that is like a shrimp and in the order Euphausiacea is called krill. Krill are found in each of the oceans on Earth.
Prawns (if you check the clue, I'll be it says "really big shrimp" and not "a really big shrimp.")
Krill
No. The only species of shrimp that I know of that are called "Cleaner Shrimp" are all marine species and can not live in fresh water.
Mantis
Krill is a shrimp-like marine invertebrate animal
shrimp, krill and other small marine animals
fish,shrimp,and crab
Balaenoptera musculus (the blue whale) is said to be the largest marine mammal in the world, reaching 33 metres of lenght and 180 tonnes of weight.