Are all fish cold-blooded?

It is not exactly true that all fish are cold-blooded.

This is no cold fish!

3,043,100+ Cold Blooded Stock Photos, Pictures & Royalty-Free Images - iStock

What does cold-blooded mean? - Perfect Atom

Blue Fish Cold-blooded Vertebrate Animal With Caudal And Dorsal Fins, Nostrils Soft Ray, Uncooked Fresh Organism Isolated On Vector Illustration Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 109501540.

New discovery of warm-blooded fish

Fearsome megalodon was likely warm-blooded

You should have learnt in school that - BlueTree Education

zoology - Is the Opah a warm blooded fish? - Biology Stack Exchange

Fishes are Cold Blooded Animals in the World that are Covered with Scales and Equipped with a Pair of Fins To Swim in the Water. . Stock Illustration - Illustration of coral

Warm-blooded Fish Cartoons and Comics - funny pictures from CartoonStock

Revealed: the world's first warm-blooded fish - and we've been eating it for years - NZ Herald

Researchers Reveal The First Warm-Blooded Fish

World's First Fully Warm-Blooded Fish Discovered in the Pacific Ocean