bottom feeder?

Need more info.

Where are you located? How big is the pond? What other fish do you have or plan on having in there?
 
If you have small fish there are a few. If you have large fish, the count is endless. Are there any catfish you are interested in or loaches for that manner? Describe what you would like to see, what else is in the pond and your pond size. I can tell you this, most bottom feeders you won't see very often at all. I have quite a few in my pond.
 
goldfish

If you have goldfish, they will spend their day cruising the bottom and sides for food or algae to eat.
 
It is only a 90 gal with comet golds and one turtle. I know the turtle will be a messy eater so I am looking for something to help clean up so extra food doesn't pollute the pond. It doesn't really matter if I see the cleanup fish or not. The comets are currently about 2" as is the turtle.
 
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