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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > Anomurans > hermit crabs
Photo index of hermit crabs on Singapore shores
crab-like animals that live in snail shells


Huddling
hermit crab

awaiting identification

Tidal
hermit crab

Diogenes
sp.

'Blue-orange' banded
hermit crab

Pseudopaguristes monoporus

Pink banded
hermit crab

Pagurus hedlyei

Lavender
hermit crab

awaiting identification
1cm. Left pincer usually much larger than the right. Body hairy or sparsely hairy; grey, brown or white. In heaps and huddles on sandy, silty, seagrass areas. Commonly seen on many of our shores. 1-2cm. Left pincer usually much larger than the right. Body not hairy; grey, brown or white; without obvious markings. Sandy, silty, seagrass areas. Commonly seen on many of our shores. 1-1.5cm. Right pincer usually larger than the right. Body and limbs white with black barring. Short antennae striped blue and orange. Living corals, rubble also seagrass. Sometimes seen on our undisturbed shores. 1-1.5cm. Right pincer usually larger than the right. Body and limbs white with black barring and pink joints. Short antennae pale. Rocky shores and artificial walls. Sometimes seen on our shores. 2-3cm. Left pincer usually much larger than the right. Body not hairy, legs purplish lavender. Sometimes with a sea anemone on the shell. Sandy areas and seagrasses. Common on Changi, also some other shores.

Orange-striped
hermit crab

Clibanarius infraspinatus

Blue-striped
hermit crab

Clibanarius longitarsus

Tawny
hermit crab

Clibanarius
sp.

Gold-spotted
hermit crab

Clibanarius cruentatus

All-black
hermit crab

Clibanarius
sp.
3-5cm. Pincers usually equal in size. Orange stripes on legs and eye stalks. Sandy, silty, seagrass areas. Commonly seen on many of our shores, larger on our Northern shores. 1-2cm. Pincers usually equal in size. Blue stripes on legs, brown eye stalks. Near mangroves. Sometimes seen on our shores. 1-2cm. Pincers usually equal in size. Dark orange body, bright orange eye stalks. Near artificial shores and natural rubble. Sometimes seen on our shores. 2-3cm. Pincers narrow equal sized. Body and legs black with white spots all over. Coral rubble near reefs. Sometimes seen. 2-3cm. Pincers narrow equal sized. Body and legs black with orange markings. Coral rubble near reefs. Seen once at Sisters Islands.

Blue-elbowed
hermit crab

Paguristes longirostris
 

Very hairy
hermit crab

Dardanus lagopodes

Spotted orange
hermit crab

Dardanus megistos

Land
hermit crab

Coenobita
sp.
2-3cm. Pincers large, about the same size. Body and limbs pinkish beige, with blue 'elbows'. Silty areas. Sometimes seen on our Northern shores.   1.5-4cm. Very hairy, dusky rose pink, left pincer may be slightly larger. Coral rubble. Rarely seen. 4-8cm. Left pincer larger. Body, pincers and legs red or orange with white spots, somwhat hairy. Coral rubble near reefs. Sometimes seen. 3-6cm. Pincers squarish and large, legs thick. Body brown, violet to purple. Among debris at high water mark, rocky shore, inland on grass. Commonly seen on our undisturbed shores.



photo index of
crustaceans on this site
Crustaceans
all crustaceans

Crabs
all crabs and crab-like

small

body width <2 cm

small with long eyestalks


small porcelain crabs

3 pairs walking legs

medium
body width 3-10cm

large
body width >10cm

swimming crabs
last pair of legs paddle-shaped

hermit crabs
live in shells
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