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Would frogmouth catfish and jaguar catfish be compatible?

Nate
Fully grown adults I guess maybe OK, but am just not sure I'd risk it personally.
I think fish such as Chaca deserve a species only tank. They are very unusual, and have kept one many years ago, but would only do so again now if i had a tank I could dedicate to them.
HTH
Martin

which sp of chaca? Some of them have specific water requirements. Personally i'd keep chaca in a sp only tank as their habits mean they are easily distrubed by other large bottom dwellers. on the flip side they can consume fish nearly as big as themselves on occasion.

They're predators of bottom dwelling fish thats the category where the catfish falls into- and their mouth is so wide the girth of the l. species does not look like its wider than than any chacas species. its the wideness of the mouth and the way the fish is built that would make me think twice about its tankmates.

I don't think one species will feed on the other, but I DO think that the Chaca will starve to death; the Oncinus will actively hunt down all the feeders you put in there for the Chaca

one species is an angler fish, the other a hunter that searches for prey by swimming.

not many demonstrations on chaca's ability to gulp something bigger than itself however this was a cool video on how they just chomp something down with ease.

[Mod edit: Use youtube tags --Mats]

It should be fine as long as the other catfish is larger than the chacas mouth and you keep the chaca well fed. The youtube video of a chaca eating a goldfish is actually of my chaca, and as you can see he did fine with most other fish until my wolfish went on a killing spree and bit him in half. RIP. But yeah, i had him for over a year and a half, and halfway through stopped feeding feeder fish for obvious reasons, but he took anything live, so I would dig up earthworms from the backyard and hold them above his mouth and he'd eat em.