Sealife guideThe sea life glossaryOur glossaries
Last updated on 09/10/2026 at 10:39 PM
English
Description
French
C
Français
cetaceans
Définition
Marine mammals including whales, dolphins and porpoises.
Anglais
cétacés
Français
choanocyte
Définition
A flagellated cell in sponges that creates water currents and captures food particles.
Anglais
choanocyte
Français
cnidocyte
Définition
A specialized stinging cell found in cnidarians, used for defense and capturing prey.
Anglais
cnidocyte
Français
copepod
Définition
A small, planktonic crustacean that is a key component of aquatic food chains.
Anglais
copépode
Français
coralligenous
Définition
A habitat formed by calcium carbonate deposits from coralline algae, providing structure for marine organisms.
Anglais
coralligène
Français
ctenidium
Définition
A comb-like gill in mollusks used for respiration and sometimes for filtering food.
Anglais
cténidie
Looking for the definition of a term but can't find it ? Or want to suggest one ? Contact us and we'll be happy to help !
Our latestUpdates

Thursday, September 10th 2026
The reticulated sandperch
Discover the reticulated sandperch (Parapercis tetracantha), a small Indo-Pacific fish known for its elongated body and distinctive brown and white pattern.

Monday, September 7th 2026
The wedgetail triggerfish
Discover the wedgetail triggerfish, Hawaii's famous state fish. Learn about its vibrant colors, coral reef habitat, unique behavior, and cultural significance in Hawaii.

Saturday, September 5th 2026
The Kemp's ridley sea turtle
The Kemp's ridley sea turtle is the smallest of the seven species of sea turtles and one of the most endangered. Discover this fascinating species, its unique biological characteristics, and its remarkable mass nesting behavior known as an arribada, when thousands of females gather on beaches to lay their eggs.
Photo of the Day

Mérou céleste
(Cephalopholis argus)
(Cephalopholis argus)
