Sealife guideThe sea life glossaryOur glossaries
Last updated on 09/03/2025 at 11:27 PM
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Description
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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
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Friday, November 7th 2025
The common sea fan
The common sea fan, is a type of soft coral found in the warm, shallow waters of the Caribbean and the western Atlantic ocean. It grows in wide, fan-shaped forms that sway gently with the ocean currents, helping it catch tiny food particles drifting by. Its beautiful purple branches are covered by a thin living tissue that hosts tiny algae, which provide much of the coral's energy through sunlight.

Thursday, October 30th 2025
The leopard blenny
The leopard blenny is a small reef fish from the Indo-Pacific ocean. It is easily recognized by its spotted coloration, which resembles that of a leopard. It lives on shallow coral reefs, feeds mainly on algae and polyps and skillfully camouflages among the corals to avoid predators.

Monday, October 27th 2025
The Spanish slipper lobster
The Spanish slipper lobster is a colorful crustacean found around reefs in the tropical waters of the northwestern Atlantic. Its flattened body and distinctive antennae allow it to hide in crevices during the day and emerge at night to feed on benthic invertebrates.
Photo of the Day

Poisson crapaud splendide
(Sanopus splendidus)
(Sanopus splendidus)
