alot of schools do salmon raising, where they go out and find a female salmon cut it open get the eggs then get a male and fertalize the eggs. Then the class room keeps a 10 gallon with the eggs in a fridge until the hatch then they put the fry into a chilled 55 gallon and once they reach 3+ in the release them into streams
My son's school just did that! Hope they will get to see them hatch.
Not sure, but thought I heard something about it not being legal to breed salmon other than in hatcheries?
(schools might be different). No clue
In anchorage at the westchester lagoon I caught a 3 spine? stickleback that i put in with some guppies in a 29, it actually did pretty well for a few months. (I was really young at the time, like 8 maybe?)
I caught a few small fry of some sort in some pond a few years back, and put them in my first little tank. They also did OK for a while, but kept getting sucked into the filter. They do better in a normal tank, I am sure.
Also kept some salt-water ocean crabs in a plastic tub for a couple of months... the only reason why not longer because we had to leave for a month. They were super-cool to watch!
(As a kid, wanted my own tank SO bad, that when I went with my dad fishing, brought home some river snails and plants. Put in a few gallon-size glass jars, those were my aquariums for a few years
Tried to keep some of the fish alive, too, but without real tank and bubbler, they soon died, anyway.
Always wanted to raise crayfish! That time is still coming