Quote:
Originally Posted by horsetrader
Catostomids are most often found in rivers but can be found in any freshwater environment. Their food ranges from detritus and bottom dwelling organisms (such as crustaceans and worms), to surface insects and small fishes.
|
X2
The aquatic insects are the ones that feed on the algae, diatoms etc... The fish then eat the insects. We don't really have the algae grazing fish in Alberta like you see in some aquarium fish species.