noun
- plural of killifish; small freshwater or brackish water fish of the family Cyprinodontidae, often kept in aquariums
Examples
- The pet store had several species of killifishes in their tropical fish section.
- Killifishes are popular among aquarium enthusiasts for their bright colors.
- Many killifishes can survive in both fresh and slightly salty water.
- The biologist studied killifishes in the coastal marshes.
- Some killifishes are known for their ability to jump out of water.
- The aquarium featured a display of native killifishes from local streams.