Lately, they have been located to consume quagga mussels, which are a vanished subspecies of the zebra mussel. Therefore, Redear sunfish serve against Zebra mussels which are an invasive types that are ending up being a trouble. Redears can be relied on that can help control them.
As bottom fish, their favorite meals is snails, yet they likewise eat other shelled animals. Their thick, hard teeth allow them to squash the skeletal systems of shelled pets. These teeth are at the rear of their mouths, and also permit them to operate like a nutcracker by crushing the coverings of snails, for this reason the nickname, "shellcracker". They could also open tiny clams. They will additionally consume larvae, fish eggs, and also crayfish. Due to its specific meals niche, Redear sunfish can reside in lakes without competing for the very same food of fish that like surface area eating. And given that snails could spread out condition, and also considering that snails are one of Redear's favorite foods, these fish are made use of in lake administration jobs to control snails.