From Cat-eLog pics, I always naively thought that tetramerus has well-defined 4 lines, hence the name, while blochii is more mottled/spotty. Silurus, would you expand on that, please? If you will, of course. If the Cat-eLog max sizes are correct, tetramerus is a smaller fish with 7" SL max, vs 12 ...

Suckermouth wrote:

Tweedledoom wrote:Thank you! This is the only catfish I've owned aside from my pleco, so I'm super new to the different Genuses (Genusi?).

The plural is "genera".

And this is why I need to learn Latin someday. Thank you

Here's another weird question: would P. blochii be okay in a 55 gallon tank with a violet goby? Those aren't aggressive, but I don't know if P. blochii tend to be aggressive towards other bottom-dwelling fish.

Oh, geez. I'm hopeless. XD

That makes more sense. I also found a site with more photos, and the top one looks pretty much just like mine.

http://www.tropicalfishgallery.com/spec ... ochii.html If this is correct, then you guys just made my night.

I was just going to ask what the difference between a P. blochii and a P. tetramerus is, actually. XD

Thank you! This is the only catfish I've owned aside from my pleco, so I'm super new to the different Genuses (Genusi?).

You guys wanted creative titles, right? lol Anyways, I have a catfish that I received about three and a half years ago (August of 2009) from a friend who couldn't keep it anymore. She had no idea what species it was, and I never thought to ask her where it came from (this was my first fish ever, so ...