Fissurella nigra

Fissurella nigra, commonly called the black keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae.

Description

The size of the shell varies between 45mm and 115mm. The shell is conically shaped. At the apex of the shell, there is a small hole, often called the keyhole. The color is usually dark, such as black, reddish, or brown, and the ribs are often rough.

Distribution

This marine species is found from Peru to the Strait of Magellan, excluding the Galápagos Islands.