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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Anomurans > hermit crabs > Clibanarius
All-black hermit crab
Clibanarius sp.*
Family Diogenidae
updated Dec 2019

Where seen? This pretty hermit crab that is mostly black all over is sometimes seen on rocky or rubbly areas near reefs.

Features: Body about 1-1.5cm long, plain dark blue. Both pincers are more or less equal in size and held so that the 'fingers' open horizontally in front of the animal. Pincers sparsely hairy, black with tiny white dots and orange joints. Walking legs sparsely hairy, black with tiny white dots, orange joints and blue-white tips. Eye black with tiny white dots, narrow white ring under the eye where it joins the stalk. Eyestalks striped brown and blue. Short antennae bright blue with orange feathery tip. Long antennae bright red.

More on how to tell apart Clibanarius hermit crabs.

Sisters Island, Aug 08

Tanah Merah, Feb 12

*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

All-black hermit crabs on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

East Coast PCN, Feb 24
Photo shared by Kelvin Yong on facebook.

St John's Island, Feb 24
Photo shared by Kelvin Yong on facebook.

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