Black-shell shrimps can eat aquatic plants, but they generally do not eat aquatic plants. They prefer to eat algae or plankton in the tank rather than aquatic plants. However, if they can't find food in time, they may also eat the tender leaves of aquatic plants to satisfy their hunger in extreme hunger. In addition, when the leaves of aquatic plants rot, they will also actively gnaw away the rotten parts.
Black shell shrimp is a famous tool for removing algae shrimp, can eat most of the algae except black hair algae, of course, can also eat brown algae. In practice, it can be used to remove brown algae from fish tanks. They have high efficiency in removing algae, and will not bring chemical pollution, and have little impact on water quality. Therefore, it is more recommended to put black shell shrimp to remove algae than to use drugs to remove algae.
Black shell shrimp will not eat fish shit. Fish poop itself has no nutritional value, so they don't eat it. They don't eat fish shit, but they can eat dead fish carcasses. In addition, they can eat the artificial feed left by the fish in the tank. When farming, they can not be used to remove fish feces. In order to remove fish feces, it is better to install a filter system in the tank and deal with it by manual removal.