cartilaginous fish

American  

[kahr-tuhl-aj-uh-nuhs fish] / ˌkɑr təlˈædʒ ə nəs ˈfɪʃ /

noun

1. Zoology. any fish of the class Chondrichthyes, characterized by having jaws and a skeleton of cartilage rather than bone, the members of which include the sharks, skates, rays, and chimaeras.

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cartilaginous fish British  

noun

1. any fish of the class Chondrichthyes, including the sharks, skates, and rays, having a skeleton composed entirely of cartilage

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cartilaginous fish Scientific  

/ kär′tl-ăj′ə-nəs /

1. Any of various fishes of the class Selachii (or Chondrichthyes), having a skeleton that is made of cartilage. Cartilaginous fishes breathe through gill slits, of which there are usually five, and their toothlike or platelike scales (called denticles) are made of dentine and enamel. Sharks, rays, skates, sawfish, and chimaeras are cartilaginous fishes.

2. Compare bony fish jawless fish

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Example Sentences

They belong to a group of cartilaginous fish known as chimaeras, which diverged from sharks millions of years ago.

From Science Daily • Oct. 16, 2025

Yet sharks and other cartilaginous fish do have smell receptors closely related to bitter taste receptors.

From Science Magazine • Nov. 12, 2023

Shark conservation work in Panama is being informed by the study of fossilized shark scales, which reveal how the cartilaginous fish have responded to human intervention over time.

From New York Times • Dec. 17, 2022

Rays are close evolutionary relatives of sharks, sharing the taxonomical subclass Elasmobranchii, a group of cartilaginous fish that can be traced back hundreds of millions of years.

From Slate • Sep. 1, 2022

But the Attics spell the word πολύπους, with an ο: and it is a cartilaginous fish; for χονδρώδης and σελαχώδης have the same meaning;— The polypodes and the dog-shark.

From The Deipnosophists, or Banquet of the Learned of Athen?us by Athen?us