What is another word for guard fish?
Pronunciation: [ɡˈɑːd fˈɪʃ] (IPA) 
"Guard fish" is a term used to describe fish that are used to protect other fish from predators. Synonyms for "guard fish" include "sentinel fish", "watching fish", "protective fish", and "defender fish". Some species that are commonly used as guard fish include the convict cichlid, the bumblebee cichlid, and the red devil cichlid. These fish are known for their aggressive behavior and territorial nature, making them effective at fending off predators. Guard fish are often used in aquaponics systems or in outdoor ponds to protect valuable fish such as koi or tilapia. By having a watchful eye and protective instincts, guard fish serve as essential members of aquatic ecosystems.
