I'm 99% sure I'm dealing with Malapterurus electricus . I counted fin rays as best I could without vexing the poor fish, and the other physical characteristics seem to match as well. In that case, despite their being reports of zoos and public facilities getting them to 36", none have really ...

Uh... OK. Thanks?

I just picked up this cooler-than-cool addition today:

http://www.scotcat.com/factsheets/malapterurus_electricus.htm

Currently it's the size of about 1/3 of a hotdog - maybe 3" long and 3/4" in diameter at its thickest part. I know it's a predatory cat, obviously, and gets large, but for the most ...