fish help...............?

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No because the shovel nose catfish has a tropical climate on the wild oh and a koi are more used to ponds and colder climate oh and koi need like a 75 gallon to there self they are big fish and with your catfish you are looking at a 100 gallon that u will need incase but 70 gallon in minumom but how ever u could keep them in a pond outside if the climate is nor to cold and nor to warm :)...Show more