Sealife guideThe sea life glossaryOur glossaries
Last updated on 03/02/2026 at 11:03 PM
English
Description
French
R
Français
radula
Définition
A ribbon-like, toothed structure in the mouth of mollusks used for scraping or cutting food.
Anglais
radula
Français
rhinophore
Définition
A sensory tentacle on the head of certain sea slugs and nudibranchs, used to detect chemicals in the water.
Anglais
rhinophore
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Monday, March 2nd 2026
The blueface angelfish
The blueface angelfish is a very colorful fish of the tropical coral reefs of the Indo-Pacific, recognizable by its bright blue head and its bluish body finely reticulated with yellow.

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The Atlantic tarpon
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The dugong
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Photo of the Day

Flabelline mauve
(Flabellina affinis)
(Flabellina affinis)
