Who knows leopard eels?
Hey guys, I wanted to know when and where the leopard eels were found. Google is being incomprehensible again. Also: they're the same as giant sirens, right?
What kind of catfish is this?
He has spots on his front and stripes all over his body. He's also completely orange/gold, but you can't see that in the light. He's also extremely shy and just hides. It's not my catfish, it's my friend's, and we don't know what to do. He's currently living with three other female antenna catfish in…
Homology criteria for jaw development in fish?
Can anyone help me explain the development of the jaw in fish (from jawless, through early fish with jaws, to modern fish with jaws) using the three homology criteria?