The Decorator Crab – Camposcia retusa is a fascinating species of crab known for its unique ability to adorn itself with a variety of materials found in its environment. This behavior, known as camouflage, serves as a vital defense mechanism against predators.
Description & Characteristics
Camposcia retusa is a relatively small crab, typically reaching a maximum size of approximately 5 cm in carapace width. Its body is characterized by a flattened carapace with a distinctive heart-shaped outline. This shape allows for easy maneuverability within its habitat. The crab’s legs are long and slender, facilitating the gathering and attachment of various materials for camouflage purposes.
Habitat and Occurrence
The Decorator Crab – Camposcia retusa prefers to inhabit shallow coastal waters, specifically within the intertidal and subtidal zones. This species is commonly found in areas with abundant seaweeds, rocks, and other debris, which provide both shelter and materials for camouflage. Its distribution is concentrated in the Indo-Pacific region, making it a prevalent presence in these aquatic ecosystems.
Taxonomy
The species Camposcia retusa belongs to the Class: Malacostraca, Order: Decapoda, and Family: Inachidae. This classification places it within a group of decapod crustaceans known for their diverse shapes, sizes, and adaptations.
Feeding
The Decorator Crab – Camposcia retusa is an opportunistic omnivore, feeding on a diverse range of prey. Its diet includes:
- Brine shrimps
- Clam meat
- Frozen Food (large sort)
- Krill
- Mysis
- Shrimps
Its ability to adapt to various food sources contributes to its success in a variety of environments.
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