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Rusty guard crab
Trapezia bidentata
Valid name (WoRMS, AphiaID 443875, checked 2026-10-31).
- English
- Rusty guard crab
- Scientific
- Trapezia bidentata
- Dhivehi
- No recorded Dhivehi name
- Group
- Crabs
- Depth and habitat
- Sea floor (benthic), recorded from 0 to 54 m
- IUCN status
- NE · Not EvaluatedNot Evaluated (NE)
Description
A coral guard crab with a dark, rusty-brown shell that lives among the branches of Pocillopora corals and defends its host against coral eaters.
In the Maldives
Recorded from the Maldives: museum specimens (n=3); iNaturalist research-grade observations in the Maldives (n=17, 7 observers); literature records via OBIS.
Sources
- sealifebase.se /summary/Trapezia-bidentata.html
- marinespecies.org /aphia.php?p=taxdetails&id=443875
- inaturalist.org /taxa/130651
- commons.wikimedia.org /wiki/File:Cangrejo_guardián_(Trapezia_bidentata)_en_un_coral_(Pocillo
Dhivehi name source: No species-level Dhivehi name found in Dhivehi Wikipedia, SeaLifeBase (country: Maldives) or MRS/MMRI invertebrate publications.