Nudibranchs

These colorful sea slugs are tiny treasures for observant divers, displaying an incredible variety of patterns and hues. Over 3,000 species exist worldwide, with dozens found in the Mediterranean.

Habitat: Rocky reefs, algae, sponges

Best season: March - June

In Crete

Crete hosts numerous nudibranch species including the striking flabellina, the purple dorid, and the solar-powered Elysia. The nutrient-rich waters around Almyrida support diverse nudibranch populations. Spring is prime season when they emerge to mate and lay distinctive spiral egg ribbons.

Behaviour

Nudibranchs are specialized predators – each species typically feeds on one type of prey like sponges, hydroids, or anemones. Some incorporate their prey's stinging cells for defense. Many species are hermaphrodites and perform elaborate mating rituals.

Diving tips

The most common place to find nudibranchs is on the Minnewaska wreck, where they thrive on the encrusted surfaces. Slow down and look closely at rocks, sponges, and algae. Photography requires macro lenses and patience. Early morning and overcast days often yield more sightings.