What do hatchetfish eat?

Hatchetfish are small, freshwater fish that are native to the Amazon River basin in South America. They are known for their unique hatchet-shaped bodies, which are thought to help them camouflage themselves in the water. Hatchetfish are omnivorous and their diet consists of a variety of small insects, worms, and crustaceans. They also feed on algae and other plant material. Hatchetfish are known to be active predators and will often hunt in groups to catch their prey. They are also known to be territorial and will defend their territory aggressively against other fish.