Macropodia

Macropodia is a genus of spider crabs in the family Inachidae. They are found in the northeastern Atlantic Ocean, the Mediterranean Sea, and the Black Sea. The genus is characterized by its long, spiny legs and its flattened carapace.

Common Names

Common names for members of the Macropodia genus include:

  • Spider crab
  • Long-legged spider crab
  • Spiny spider crab

Characteristics

Macropodia crabs are distinguished by the following characteristics:

  • Long, spiny legs: The legs are disproportionately long compared to the body, giving them a spider-like appearance. The legs are covered in spines that are believed to help them camouflage and defend against predators.
  • Flattened carapace: The carapace, or upper shell, is flattened and broad, helping them to wedge into crevices and hide from predators.
  • Small size: They are typically small crabs, with most species reaching a maximum carapace width of 5 cm.
  • Varied coloration: Depending on the species and their environment, they may have a variety of colors, including brown, red, and yellow.

Environments

Macropodia crabs are found in a variety of marine environments, including:

  • Rocky shores
  • Seaweed beds
  • Coral reefs
  • Seagrass meadows

Diet

Macropodia crabs are omnivorous, feeding on a variety of organisms, including algae, small invertebrates, and decaying matter. They are active predators of other crabs, snails, and worms.

Reproduction

Macropodia crabs reproduce sexually. The females lay eggs, which they carry on their abdominal appendages until they hatch.

References