Marine life profile
Mediterranean Sand Eel
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Gymnammodytes cicerelus , also known as Mediterranean sand eel , sonso in Catalan, and barrinaire or enfú in Menorca, is a fish in the family Ammodytidae. Often territorial around a chosen crevice, it watches passing divers and emerges farther when hunting after dark.
Meet the species
What to look for
How to Recognize It
Look for an elongated body emerging from reef holes or moving with a smooth, ribbon-like wave.
How It Behaves
Often territorial around a chosen crevice, it watches passing divers and emerges farther when hunting after dark.
Special Ability
A flexible body lets it hunt deep inside cracks that most reef predators cannot enter.
Dive responsibly
Share the water well
How to Approach
Remain outside the shelter, keep fingers clear and use a steady light rather than pushing a camera into the opening.
Safety
Never feed or handle an eel. Its bite is defensive, fast and capable of causing a serious injury.
Worth knowing
The detail you remember
Interesting Facts
It is the only species of this family in the Mediterranean Sea.
Where to Find
Inspect reef cracks, wreck openings, rocky ledges and rubble fields, particularly during dusk and night dives.
Sightings map
Mediterranean Sand Eel locations
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