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

These unique molecules have not been observed in any other mammals, although they do exist in some cartilaginous fish.

From Science Daily

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

From Science Daily

With such robust evolutionary versatility, these cartilaginous fishes have survived not one, not two, but five mass extinctions in Earth's history.

From Salon

This study significantly expands the understanding of these ancient cartilaginous fish and provides further insights into a past marine ecosystem.

From Science Daily

Twelve out of seventeen cartilaginous fish genomes studied contained genes for the taste receptors type 2, with only one T2R gene present in each species.

From Science Daily