Chondrichthyes (Noun)
Meaning
Cartilaginous fishes.
Classification
Nouns denoting animals.
Examples
- The class Chondrichthyes includes cartilaginous fishes such as sharks, rays, and skates that have skeletons made of cartilage rather than bone.
- Chondrichthyes are characterized by their tooth-like scales and multiple gills that allow them to extract oxygen from the water.
- Some species of Chondrichthyes have developed unique adaptations to survive in a variety of aquatic environments, including deep-sea trenches and coral reefs.
- Chondrichthyes have been on the planet for over 400 million years, making them one of the oldest groups of living vertebrates.
- The Chondrichthyes are divided into two subclasses: Elasmobranchii, which includes sharks and rays, and Holocephali, which includes chimaeras and ratfish.