Portunus pelagicus

Blue Swimming Crab

They live in sandy, muddy and sea grass areas, and are often found buried in the soft bottom during day. They comes out of their burrows during high tides and at night, when they looks for prey (bivalves, fish and sometimes macroalgae).

Best Time of The Year

All year round

Remarks

5- 65 m depth, length up to 20 cm, Male is bright blue, female brown grey. Commercially fished.

Frequency of Sightings

Rare

Often

Habitat

View Divesite

DIVE SITES

Types of Habitats

Please note that the variety of critters depends on the season and changes dive sites to dive site

Sand & Rubble

Lembeh’s iconic muck sites feature gentle slopes of volcanic sand scattered with debris, sponges, algae, and rubble.

Coral

Many soft and hard coral species live and thrive here, in the nutrient-rich waters of the Lembeh Strait.

Mixed

With a combination of reef and muck dives, you can enjoy a world of diving experiences in one location.

Other Critters in The Habitat

Looking for a Specific Critter?

You can speak with the guides about the favorite critters you wish to see or search for critters in our dive site map.

Dive Map