After being assured by a pet shop owner that their new pets would get along just fine a couple went ahead and bought a koi carp to add to the tank where there African Clawed frog lived. In this article by Imogen Calderwood for Mail Online you can read, and watch the video of what happened when they introduced their new fish to the frog.
The African Clawed Frog is known as a voracious predator and this was immediately revealed as soon as the Koi carp was put into the tank. The owner Jameson, was was a little apprehensive when his girlfriend brought home the carp to add to the tank, but he added the carp, hoping that they would get along.
No sooner had he put the carp into the tank than he saw a movement from the frog who grabbed the carp and proceeded to swallow it whole! The video is very graphic about the intentions of the frog! It seems that in the wild, the two will actually eat each other after all, the largest one easily devouring the smaller one, which, in this case, was the carp!
Within just seconds of introducing the koi to the tank, however, the violent nature of the frog became horrifyingly clear.
“No sooner did I have a chance to blink did I see a rapid movement from the frog,” said owner Jameson.
“I looked down and saw the majority of the koi’s head in his mouth.”
“His effortless attack on the fish was insane. Most of the fish was still hanging out of his mouth so I started knocking on the tank with my knuckles really hard hoping since he was right at the front he would freak out and let my fish go before he was an official goner.”
Bull frogs in particular are pointed out as being able to eat ‘pretty much anything’:
“At my house all the koi catch [frogs]. And so you get up in the morning and all your Koi have a pair of frogs’ legs sticking out of their mouths and they like the taste pretty good [sic], but they can’t work it down,” said one Koi enthusiast.
“So they swim around with the frogs in their mouths like pacifiers. Some of the largest fish can get the frogs down, some eventually spit them out and you have to net them out or they will decay and make a mess.”