Researchers classify the coelacanth under the group Sarcopterygii, which include the earliest ancestors of amphibians, reptiles, and mammals.

That ancestor was a group called the lobe-finned fish, or sarcopterygians. One kind of ancient lobe-finned fish is Tiktaalik. They’re extinct now, but scientists think they lived about 375 ...

Sarcopterygians, or lobe-finned fish, represent a pivotal point in the evolution of vertebrates, giving rise to the first tetrapods. Characterized by their muscular, lobed fins with joints, these ...

Image via Openverse. The coelacanth, once thought extinct, is occasionally cited in coastal waters. These lobe-finned fish have survived for millions of years, largely unchanged, showcasing ...

The species of marine ray-finned fish is found in the deep sea and measures up to 44cm, reports What's The Jam. While their appearance is certainly unique, it appears to have undergone some ...

June 17, 2021 — Once thought to be extinct, lobe-finned coelacanths are enormous fish that live deep in the ocean. Now, researchers have evidence that, in addition to their impressive size ...

Fedortsov identified the blob as a smooth lumpsucker, a species of marine ray-finned fish that grows to over a foot long and resides in the depths. The Lovecraftian critter caused quite a stir ...

Wainwright's lab studies the evolution and diversity of fish. The cichlid fishes of Africa's great lakes are a particularly large and diverse group, adapted to a wide variety of habitats and food ...

And it isn't just finned fish which are being swapped out so that dodgy sellers can pocket the difference as studies show that shellfish are also a target for fraud. Prawns in particular are often ...