Cryptarius truncatus only eating frozen bloodworms

tongolino10

Exodon
MFK Member
May 26, 2023
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I've tried offering fairy shrimp, brine shrimp, mollies, pellets and tubifex worms but all were rejected in favour of bloodworms. I've had a number of these catfishes for months now. They are around 2-3 inches in length and they seem very active.

I can't seem to find a consensus on whether or not bloodworms are a nutritionally complete food. Is it common for cryptarius juveniles to only eat bloodworms? In addition, have any fishkeepers kept fishes long term with bloodworms as a staple diet?
 
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