You have to buy the fisherman outfit then fish. You'll get a tiny fish that will cue a cutscene, then you have to fight through the pirate ship.
it is called a mullet fish.
The fish In the Mario Bros series are called Cheep Cheeps.
Mullet
At level 22 the habitat is unlocked--it is called the "Special" habitat.
Fry! They are tiny little black fish the size of a pinhead. Many baby fish are called Fry.
Heaps.
No. Krill are tiny shrimp, that swarm in open oceans by the billions.
corals (?)
There are heaps of fish species that are commonly called "Mud Fish". Some evolved in fresh water creeks, rivers, lakes, ponds and streams, and others are from the mangroves and swamps. If you give the taxonomic name of the fish you will get more accurate information.
the name of a tiny freshwater fish is a minnow
A tiny coral reef dwelling fish called a Pygmy Goby has the shortest lifespan of 59 days
Guppies can live very happily with heaps of other species of tropical fish
Yes, it is also a pelagic fish, has heaps of the good oils, and very good to eat.
fish food
Very tiny fish called fry when they are first born will absorb their yolk sac, and then will need small amounts of tiny food such as brine shrimp. As they get bigger, and their mouths (and stomachs!) grow, you will be able to feed them the same food as your older fish.
They are tiny fish.