The jellyfish life cycle is; planula larva, polyp, budding polyp, ephyra, medusa
Baby fish are called fry.
The name of a young fish is a 'fry'
if you mean a baby fish, well, the name for a baby fish is a "fry" just like how a baby dog is a "puppy"
Fingerling
Fry.
spawn
guppie
Newborn baby fish are known as 'fry'
The term for all baby fish is fryfry
Either fry or fingerling.
With every fish I know of, the term for the newborns is "fry".
Most times they are called fry or fingerling