Do you mean piranha? You can catch them in the river around summer. They are shown as smalll shadows and are rare.
P.S. If you donate one to the museum go up the the second tank in the first fish room. Unlike other fish who swim away from you this one will follow you.
winter
You can catch a coelacanth when it is raining or snowing
in december.
your house can't catch fire.
you catch them in the ocean in June onwards
No, you cannot catch a shrimp on Animal Crossing (for the Nintendo Gamecube), nor can you catch a shrimp for any of it's successors, Animal Crossing: Wild World and Animal Crossing: City Folk.
no
winter
You can catch a coelacanth when it is raining or snowing
You use a net.
in december.
not as far as i no but cheak it out on animal crossing community and down the side there is items and then go on fish
your house can't catch fire.
Catch all bugs.
you catch them in the ocean in June onwards
no you can't
There is no such bug as a rain stag.