noun
- Plural of ganoid; fish of an order (Ganoidei) characterized by a body covered with hard, shiny, enamel-like scales and including sturgeon, gar, and paddlefish.
Usage: technical; zoology
Examples
- Ganoids are an ancient group of fish that have remained relatively unchanged for millions of years.
- The gar is one of the most common ganoids found in North American freshwater systems.
- Paleontologists study ganoids to understand the evolution of fish species.
- Unlike most modern fish, ganoids have thick, protective scales made of ganoin.
- Sturgeon and paddlefish are examples of ganoids that can grow to impressive sizes.