Catfish and carp require lower levels of oxygen than trout. Since the mouth of a river typically has lower levels of oxygen and the area near the source has higher levels of oxygen, catfish and carp can thrive at the mouth and trout, which require higher levels of oxygen, thrive at the source.
a goonch catfish has teeth and a piraiba catfish doesn't but it has a surated mouth.
It depends how big your Koi is and how big the Catfish is. If the catfish can fit in the Koi's mouth than it will get eaten.
A sucker mouth catfish can grow up to be as long as 18 inches, and this makes it one of the largest home aquarium fish. There are 116 different species of sucker mouth catfish.
There are a large variety of 'sucker mouth' catfish. Most come from Central and South America but there are some species in Southeast Asia.
In Her Mouth
almost anything they can fit in their mouth
catfish eats nearly everything it fit in his mouth
In his mouth.
In his mouth.
boliva
Brazil
Fish found in Connecticut (or the Connecticut waters of Long Island Sound) include:Atlantic SalmonAlewifeAmerican ShadGizzard ShadShort-nosed SturgeonAtlantic SturgeonSea Lamprey (eel)American EelBlueback HerringRiver HerringBluefishPumpkinseedBluegillStriped BassLarge-mouth BassSmall-mouth BassBrown Bullhead (catfish)Yellow Bullhead (catfish)