Fish fin

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

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What Wikipedia says

Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and lift, which help the fish swim. Apart from the tail or caudal fin, fish fins have no direct articulations with the axial skeleton and are attached to the core only via muscles and ligaments.

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

Image: Tino Strauss, CC BY-SA 3.0, via Wikimedia Commons.