Chimaera
Chimaeras are cartilaginous fish in the order Chimaeriformes (), known informally as ghost sharks, rat fish (not to be confused with rattails), spookfish, or rabbit fish; the last two names are also applied, respectively, to the ray-finned fish groups of Opisthoproctidae and Siganidae.
At one time a "diverse and abundant" group (based on the fossil record), their closest living relatives are sharks and rays, though their last common ancestor with them lived nearly 400 million years ago. Living species (aside from plough-nose chimaeras) are largely confined to deep water.
Stargaze
- 2021-10-22T00:00:00.000000Z
Nova
- 2021-08-29T00:00:00.000000Z
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