An alevin is a newly hatched fish, especially a salmon.
alevin
the feed of their yolk sack
an "alevin"
alevin
Alevin.
alevin
Fry [1913 Webster] Alevin
Fry. Or alevin.
It is called an ootheca (its the same for all insects)
They could be called alevin or fry, as in "small fry". Or nemo like the movie "finding nemo".
Alevin means; A small squirrel that looks like a puffy fish with fangs.