Spiny Spider Crab, Electric Crab – Achaeus spinosus

, Spiny Spider Crab, Electric Crab, Achaeus spinosus
Depth: 77 - 187 m
Water Type: Marine
Toxicity: Toxic hazard unknown
Red List Status: Not evaluated (NE)
Temperature: 68 °F - 82.4 °F (20°C - 28°C)

The Spiny Spider Crab, Electric Crab, scientifically known as Achaeus spinosus, is a captivating crustacean found in the depths of the ocean. This intriguing crab, distinguished by its spiny exterior and electrifying appearance, plays a crucial role in the delicate balance of marine ecosystems.

Description & Characteristics

The Achaeus spinosus is instantly recognizable for its distinctive spiny carapace, which provides protection against predators. This crab boasts a particularly striking, almost electric appearance. The Achaeus spinosus can reach impressive sizes, attaining a maximum carapace width of up to 10 cm. This crab is a fascinating example of marine adaptation, showcasing the diversity and beauty found within our oceans.

Habitat and Occurrence

The Spiny Spider Crab, Electric Crab, Achaeus spinosus, typically inhabits the shallow waters of coral reefs and rocky shores. Its preference for these specific environments highlights its role in maintaining the delicate balance of these marine ecosystems. Achaeus spinosus thrives in the warm, tropical waters of the Indo-Pacific region, contributing to the vibrant biodiversity of this marine zone.

Taxonomy

The Achaeus spinosus belongs to the Class: Malacostraca, Order: Decapoda, and Family: Inachidae. This scientific classification provides a framework for understanding the evolutionary relationships and shared characteristics of this crab species with its relatives. It places the Achaeus spinosus within a broader context of crustacean diversity, demonstrating the interconnectedness of life within the marine realm.

Feeding

Achaeus spinosus primarily feeds on plankton, showcasing its role as a filter feeder in the marine ecosystem. Plankton are essential for the health and vitality of oceans, and the Achaeus spinosus, through its feeding habits, helps to maintain this important ecological balance.

Associated Species

Image References

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