No, they grow throught the stages of life.
the fish are hatched :D
To be correct. Fish ova (eggs) do not actually "hatch" they 'develop'. A fish egg that has developed sufficiently for it to be recognised as a fish is called a "Fry"
A baby fish is called a fry because the term "fry" refers to newly hatched fish larvae that are at an early stage of development and have not yet fully developed into juvenile fish. The term is commonly used in the context of fish farming and aquaculture.
They are hatched from an egg.
eggs
Dory, the fish from nemo, was hatched from an egg.
A "Fry" is a recently hatched fish.
Newly hatched baby fish have the very distinguishing feature of an attached yellow sack hanging from their abdomen. This is the Sac fry stage, and is very distinguishable until the sac is fully absorbed.
Young onotremes are hatched from eggs. They are not born live, fully developed and able to function independently of their mother like kittens and puppies can.
some puffer fish hatch and are not fully developed so they form a hard shell
Newly hatched insects are generally called crawlers.
Newly hatched baby fish have the very distinguishing feature of an attached yellow sack hanging from their abdomen. This is the Sac fry stage, and is very distinguishable until the sac is fully absorbed.