''Trapezia'' is a genus of guard crabs in the family

Trapeziidae Trapeziidae is a family of crabs, commonly known as coral crabs. All the species in the family are found in a close symbiosis with cnidarians. They are found across the Indo-Pacific, and can best be identified to the species level by the colour ...

. Like other members of this family, they live in association with

coral Corals are colonial marine invertebrates within the subphylum Anthozoa of the phylum Cnidaria. They typically form compact Colony (biology), colonies of many identical individual polyp (zoology), polyps. Coral species include the important Coral ...

s, feeding on coral tissue and mucus, and defending the corals from predators, like

starfish Starfish or sea stars are Star polygon, star-shaped echinoderms belonging to the class (biology), class Asteroidea (). Common usage frequently finds these names being also applied to brittle star, ophiuroids, which are correctly referred to ...

. It contains the following species: Red-spotted guard crab protecting its cauliflower coral

*'' Trapezia areolata'' Dana, 1852 *'' Trapezia bella'' Dana, 1852 *'' Trapezia bidentata'' (Forskål, 1775) *'' Trapezia cheni'' Galil, 1983 *'' Trapezia corallina'' Gerstaecker, 1857 *'' Trapezia cymodoce'' (Herbst, 1801) *'' Trapezia digitalis'' Latreille, 1828 *'' Trapezia flavopunctata'' Eydoux & Souleyet, 1842 *'' Trapezia formosa'' Stimpson, 1869 *'' Trapezia garthi'' Galil, 1983 *'' Trapezia globosa'' Castro, 1997 *'' Trapezia guttata'' Rüppell, 1830 *'' Trapezia intermedia'' Miers, 1886 *'' Trapezia lutea'' Castro, 1997 *'' Trapezia neglecta'' Castro, 2003 *'' Trapezia punctimanus'' Odinetz, 1984 *'' Trapezia punctipes'' Castro, 1997 *'' Trapezia richtersi'' Galil & Lewinsohn, 1983 *'' Trapezia rufopunctata'' (Herbst, 1799) *'' Trapezia septata'' Dana, 1852 *'' Trapezia serenei'' Odinetz, 1984 *'' Trapezia speciosa'' Dana, 1852 *''

Trapezia tigrina Trapezium, plural trapezia, may refer to: * Trapezium, in British and other forms of English, a trapezoid, a quadrilateral that has exactly one pair of parallel sides * Trapezium, in North American English, an irregular quadrilateral with no side ...

'' Eydoux & Souleyet, 1842

References

Crabs {{Eubrachyura-stub