Eunicella · Cnidarians (Jellyfish, Anemones & Corals)

Yellow Gorgonian

Eunicella cavolini

0-40m

Depth Range

Variable

Max Size

Mediterranean

Distribution

Cnidarian

Identification & Biology

IdentificationA slender, fan-shaped gorgonian sea fan with flexible branches growing in a flat plane. Bright yellow to golden-orange when alive, with tiny white polyps. Similar in growth form to the white and pink gorgonians but distinguished by its warm yellow colour.
SizeColony height up to 50 cm. Fan width up to 40 cm.
Social HabitColonial. Grows oriented across the current on rocky walls and overhangs. Slow-growing.
HabitatRocky walls, overhangs, and sheltered reef areas with good water flow.
Depth10 to 100 m. Most common between 15 and 50 m.
Feeds OnPlankton and suspended organic particles captured by the polyps.
DistributionMediterranean Sea. Present in Maltese waters.
DescriptionEunicella cavolini is the yellow member of the Eunicella gorgonian trio in the Mediterranean (alongside the white E. singularis and the pink E. verrucosa). Its warm yellow colour makes it one of the more decorative features of deeper Maltese walls. Like all gorgonians, it is slow-growing and vulnerable to physical damage from anchors, fishing lines, and careless divers.

Range

Habitat & Distribution

Found across the Mediterranean, inhabiting reef & open environments. Active from the surface down to 40m depth.

Where Malta divers have spotted this species

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Sightings are logged by divers using our What Did You See? dive-log tool. View the full live sightings map.

Detail

Preferred Environment

Reef & Open habitats, typically at depths of 0-40m. Most commonly encountered by divers at the shallower end of its range.

Encounter Tips

Best approached slowly and calmly. Avoid casting shadows directly over the animal. Neutral buoyancy and patience increase encounter success significantly.

Biology

Behaviour & Diet

Feeding Strategy

Polyps capture zooplankton and suspended organic particles from passing currents. Entirely heterotrophic, lacking symbiotic algae, so depends on current-rich sites for adequate food supply.

Suspension feeder

Reproduction

A gonochoric species that broods fertilised eggs internally. Planula larvae are released in summer and settle on nearby hard substrate, often close to the parent colony.

Internal brooding

Behaviour & Defence

Contains bioactive secondary metabolites that discourage predators and inhibit fouling organisms. The gorgonin skeleton provides structural rigidity while retaining enough flexibility to resist current damage.

Chemical defence

Dive with diveshack

Where to Encounter in Malta

The following dive sites offer strong habitat match for Eunicella cavolini. All are accessible on a guided dive with diveshack.

5-30m

North Malta

Cirkewwa

Rocky reef with caves, arches and ledges hosting a rich diversity of reef species.

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5-50m

Gozo

Blue Hole

One of the Med's most famous reef dive sites. Rocky walls and archways covered in life.

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18-36m

South Malta

Um El Faroud

The wreck lies on a sandy bottom surrounded by rocky reef -- a diverse habitat attracting reef species.

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IUCN Red List Least Concern

Conservation Status

This species is assessed as Least Concern on the IUCN Red List. Mediterranean populations face ongoing pressure from fishing activity, habitat degradation, and climate-driven changes to prey availability.

Source: iNaturalist Guide #888
by Lesley Clements (CC BY-SA)
diveshack Mediterranean Marine Life guide