Trapezia is a genus of guard crabs in the family Trapeziidae. Like other members of this family, they live in association with corals, feeding on coral tissue and mucus, and defending the corals from predators, like starfish. [1] It contains the following species: [2]

Trapezia rufopunctata is a species of guard crabs in the family Trapeziidae. Trapezia rufopunctata, also known as the commensal crab, can reach the size of about 5 cm in width. They are considered true crabs, with 4 pairs of walking legs and a pair of proportionally large and long, flattened clawed legs (chelipeds).

Jan 8, 2024 · Trapeziid crabs act as guardians of, and housekeepers for, corals, thus increasing the growth and survival of their host. For example, the crown-of-thorns sea star (Acanthaster planci) and the pincushion star (Culcita novaeguineae) are voracious corallivores that can devastate coral reefs.

Jun 27, 2024 · The Red-spotted Guard Crab (Trapezia tigrina) is a captivating marine species renowned for its distinctive appearance and fascinating symbiotic relationships within the coral reefs of the Red Sea. Belonging to the family Trapeziidae, this small but vibrant crab is a marvel of aquatic biodiversity.

Dec 28, 2015 · Guard crabs of the genus Trapezia live amongst the branches of Pocillopora guarding it against crown of thorns starfish (COTS) says KSLOF SCAR Team.

The Guard Crab, belonging to the genus Trapezia, is a notable marine crustacean known for its symbiotic relationship with coral reefs. These crabs play a crucial role in maintaining the health and stability of coral ecosystems by defending their coral hosts from predators and parasites.

Oct 1, 2014 · These buff little crustaceans take up residence within pocilloporid corals—the ones that look a bit like cauliflower or loose brains. In exchange for shelter and nutrients, the crabs ferociously...

Feb 7, 2017 · Coral guard crabs remove debris and sediment that settles on the host coral and increase flow to the coral’s center, preventing tissue necrosis. In turn the crab gets a home and a coral mucous meal. They also protect the host coral from some pests and predators.

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Dec 13, 2013 · Don't mess with the Red-spotted Guard Crab. You might catch something. This small, Indo-Pacific species is well named; it's a crab, it has red spots and it's constantly on guard duty. And what does it guard, you ask? It guards its home, its food, its friend. In short... its coral.