Porcellanella triloba
Sea pen crab
This is a small species of porcelain crab. It lives hiding in the stem of a sea pen (soft coral mostly emerging at night). It feeds by filtering plankton using sieve-like structures on its modified claws. They are usually found in pairs.
Best Time of The Year
YEAR-ROUND
Remarks
6-20 m depth; up to 0.8 cm, female is larger than male.
Frequency of Sightings
Rare
Often
Habitat
mixed
Coral
Sand & rubble
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

Sand & Rubble

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

Coral

Coral

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

mixed

Mixed

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

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.

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