Two Tooth Guard Crab
Trapezia bidentata
Also known as: Brachyura Crab, Commensal Crab, Coral Crab, Coral Guard Crab, Rusty Guard Crab, Swimmer Crab, Trapeze Crab, True Crab
- Brachyura Crab
- Commensal Crab
- Coral Crab
- Coral Guard Crab
- Rusty Guard Crab
- Swimmer Crab
- Trapeze Crab
- True Crab
Overview
Found hiding during the day, between the finger-like branches of hard coral formations of Acropora and Pocillopora. At night they spread their arms to feed over coral and rocky reefs.
They feed nocturnally on coral mucus, tissue and zooplankton.
Brachyura crabs are considered true crabs, they have a short abdomen, 4 walking legs and a pair of clawed arms at the front.
Many thousands of species live worldwide in sea water, fresh water and on land.
How to identify
- Head & Mouth
- black eyes
Tap any trait to see other fish that share it.
Habitat & where to find it
- Range · Indo-Pacific
- Country only · 1
Found hiding during the day, between the finger-like branches of hard coral formations of Acropora and Pocillopora.
Adult photos 1
Discussion
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Deep dive
Taxonomy
- kingdomAnimalia
- phylumArthropoda
- classMalacostraca
- orderDecapoda
- familyTrapeziidae
- genusTrapezia
- speciesTrapezia bidentata (Forskål, 1775)
SourcesWoRMS
More in the family
Crabs (Trapeziidae)
