2. Copepods: Copepods are another type of small crustacean that can be found in freshwater aquariums. They are typically white or translucent in color and can grow up to 1/8 inch long. Copepods are not harmful to fish and are actually a good source of food for fry.
3. Daphnia: Daphnia, also known as water fleas, are small planktonic crustaceans that are often used as food for fish. They are typically brown or green in color and can grow up to 1/8 inch long. Daphnia are not harmful to fish and are a good source of protein.
4. Cyclops: Cyclops are small copepods that are often found in freshwater aquariums. They are typically reddish-brown in color and can grow up to 1/4 inch long. Cyclops are not harmful to fish and are actually a good source of food for fry.
5. Hydra: Hydra are small, freshwater animals that are related to jellyfish. They are typically brown or green in color and can grow up to 1 inch long. Hydra are not harmful to fish, but they can be unsightly and can reproduce rapidly.
6. Scuds: Scuds are small, freshwater crustaceans that are related to shrimp. They are typically light brown or gray in color and can grow up to 1 inch long. Scuds are not harmful to fish, but they can be unsightly and can compete with fish for food.
7. Nematodes: Nematodes, also known as roundworms, are small, slender worms that can be found in freshwater aquariums. They are typically white or transparent in color and can grow up to 1/2 inch long. Nematodes are not harmful to fish, but they can be unsightly and can compete with fish for food.
If you are not sure what type of bugs are in your fish tank, you can take a sample of the water and bring it to your local pet store. They will be able to identify the bugs and recommend a treatment plan.