Ones shaped like that are isopods. The really tiny ones will be copepods, and the larger ones with praying mantis arms are amphipods. They are CuC and food for fish, and what you want to see in your tank.
Ones shaped like that are isopods. The really tiny ones will be copepods, and the larger ones with praying mantis arms are amphipods. They are CuC and food for fish, and what you want to see in your tank.