Mithrodia
Mithrodia is a genus of starfish belonging to the family Mithrodiidae. These starfish are characterized by their distinctive radial symmetry, a feature common to many echinoderms. The genus currently consists of seven described species, all found in the Indo-Pacific region.
Common Names
While not commonly encountered in everyday language, members of the genus Mithrodia are sometimes referred to as "spiny starfish" or "feather stars" due to their distinct morphology.
Characteristics
Mithrodia starfish possess several unique characteristics that distinguish them from other starfish genera. These include:
- Spiny body surface: Their bodies are covered in numerous spines, providing protection and contributing to their characteristic appearance.
- Five-rayed symmetry: Like other starfish, Mithrodia species have five distinct arms radiating from a central disc.
- Well-developed pedicellariae: Pedicellariae are small, pincer-like structures found on the body surface, used for defense and cleaning.
- Variable size: Mithrodia species can range in size from a few centimeters to several inches in diameter, depending on the species.
Environments
Mithrodia starfish are primarily found in tropical and subtropical waters of the Indo-Pacific region. They inhabit a variety of marine environments, including coral reefs, seagrass beds, and rocky shores. Their preferred habitats often feature abundant food sources such as algae and invertebrates.
References
To learn more about the fascinating world of Mithrodia starfish, consult these reputable sources: