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**TheOldSalt** · 02-28-2005, 05:59 PM

They can live in fresh water, but they'd prefer a little bit of salt.
However, your frog wouldn't like THAT one bit.

You might not want to put these guys in with your other fish, because they are pretty mean and nasty. I don't know what species you are talking about, but most of the fundulidids in that group get pretty big.
Most killies are very small, and are often kept in very small tanks, but the USA's killies are generally much bigger and need more room.

Killies are pretty cool, though, and well deserving of their own tank. In fact, the USA has oodles of very "tankworthy" fish species.

02-28-2005, 05:59 PM	#5
TheOldSalt Darth Ichthyos Join Date: Jan 2005 Posts: 4,005 User Feedback: (5)	Re: what are killifish They can live in fresh water, but they'd prefer a little bit of salt. However, your frog wouldn't like THAT one bit. You might not want to put these guys in with your other fish, because they are pretty mean and nasty. I don't know what species you are talking about, but most of the fundulidids in that group get pretty big. Most killies are very small, and are often kept in very small tanks, but the USA's killies are generally much bigger and need more room. Killies are pretty cool, though, and well deserving of their own tank. In fact, the USA has oodles of very "tankworthy" fish species.