noun
- a fish having fleshy, lobed fins that contain skeletal elements, including coelacanths and lungfish
Usage: zoological
Examples
- The coelacanth is a famous example of a lobefin that was thought to be extinct.
- Lobefins are considered important in understanding vertebrate evolution.
- Scientists study lobefin fossils to learn about early fish development.
- The lungfish is another type of lobefin found in freshwater environments.
- Lobefins have muscular fins supported by bone and cartilage.
- Ancient lobefins may have been ancestors to land vertebrates.