ganoid
/ˈɡænɔɪd/
adjective
- Relating to a type of fish scale that is hard, shiny, and made of a substance called ganoin.
- Ganoid scales are found on some ancient fish species.
- The museum displayed a fossil with ganoid scale patterns.
- The garfish has ganoid scales that look like armor.
noun
- A fish that has ganoid scales, such as a sturgeon or gar.
- Ganoids are often called 'living fossils' because they have changed little over millions of years.
- Sturgeons are ganoids that live in freshwater rivers.
- The aquarium had a tank full of ancient ganoids.