Dorsal fin

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous.

Excerpt from the Wikipedia article “Dorsal fin”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: The original uploader was Codman at English Wikipedia., CC BY-SA 3.0, via Wikimedia Commons.