Definition, Meaning & Synonyms
lobe-finned fish
noun
/ˈloʊb fɪnd fɪʃ/

Definition
Lobe-finned fish are a group of bony fish distinguished by their fleshy, lobed fins that are connected to the body by a single bone.

Examples
- The coelacanth is a well-known example of a lobe-finned fish.
- Scientists study lobe-finned fish to understand the evolutionary link between fish and land-dwelling animals.
- Unlike ray-finned fish, lobe-finned fish have thick, fleshy fins that allow for maneuvering in shallow waters.

Meaning
The term refers to a significant class of fish known for their robust fin structure, which is thought to be an evolutionary precursor to the limbs of tetrapods.

Synonyms
- Crossopterygii
- Osteichthyes (general term for bony fish)
- Fleshy-finned fish