The most common algae eaters include snails, shrimp, clams and even some fish, such as specific types of catfish or plecos. To be sure you are choosing the best algae eater for your tank… ... Be sure the algae eater will thrive in your tank's conditions, including the water quality, temperature, tank size and pH level.

Do algae eaters eat fish?

Some fish food for algae eaters included vegetable matter, but you can also cut up some fresh veggies, such as zucchini, lettuce, or broccoli, and throw them in the tank for your algae eater to feast on every once in a while.

Will algae harm fish?

It becomes a problem when the algae are consuming more oxygen than they are producing. While algae are generally harmless, algal blooms, such as blue-green algae, can be toxic to humans, livestock, fish and wildlife. It is better to avoid contact with potentially contaminated water until treated.