The Splendid Red Spooner Crab, Spiny Spooner Crab, Splendid Spooner Crab, Splendid Reef Crab, scientifically known as Etisus splendidus, is a captivating crustacean found in diverse marine environments.
Description & Characteristics
Etisus splendidus is distinguished by its vibrant red coloration and distinctive spiny carapace, giving rise to its common names. The crab’s carapace, or shell, is broad and flattened, with prominent spines along its margins. This spiny structure serves as a protective mechanism against predators. The crab’s legs are also robust and spiny, further enhancing its defensive capabilities. It can reach a maximum size of approximately 10 centimeters in carapace width.
Habitat and Occurrence
Etisus splendidus is a common inhabitant of the Subtidal, sublittoral, infralittoral, and deep zones of the oceans, extending from the lower limit of the intertidal zone to the shelf edge at about 200 meters water depth. This places it within the neritic marine zone, a region characterized by its proximity to the coastline and shallow depths. The crab thrives in diverse environments, including rocky reefs, coral reefs, and seagrass meadows.
Taxonomy
The species Etisus splendidus belongs to the Class: Malacostraca, Order: Decapoda, and Family: Xanthidae. This classification places it within the broad group of decapod crustaceans, which includes lobsters, shrimps, and crabs. The Xanthidae family encompasses a diverse array of crab species, many of which are known for their colorful appearances and intricate patterns.
Feeding
Etisus splendidus is an omnivorous crab with a diverse diet. Its feeding habits include consuming algae, epiphytes, carrion, clams, snails, and worms. This opportunistic feeding strategy allows the crab to capitalize on various food sources available in its habitat. The crab’s feeding behavior is also influenced by its predatory nature, and it is known to actively hunt small invertebrates.
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