The Sea Blue Phyllidia – Phyllidia marindica is a striking species of sea slug belonging to the family Phyllidiidae. This nudibranch is known for its vibrant blue coloration and distinctive dorsal tubercles, making it a captivating sight in the underwater world.
Description & Characteristics
Phyllidia marindica boasts a captivating blue body with a contrasting white margin that adds a striking visual element to its appearance. Its body is typically oval-shaped and, as with other nudibranchs, lacks a shell. The dorsal surface of the Phyllidia marindica is covered in numerous, prominent tubercles that contribute to its characteristic bumpy texture. This species can reach a maximum size of approximately 50 mm in length.
Habitat and Occurrence
The Phyllidia marindica is commonly found in the Indo-Pacific region, particularly in coral reefs and rocky shores. Its distribution extends from the Red Sea and the Indian Ocean to the western Pacific, including Australia. This species thrives in shallow water environments, typically residing in depths ranging from 5 to 25 meters. This depth range places it primarily in the Neritic Zone, a marine zone that extends from the shoreline to the edge of the continental shelf.
Taxonomy
Phyllidia marindica, a member of the Class: Gastropoda, Order: Nudibranchia, belongs to the Family: Phyllidiidae. This classification underscores its position within the broader group of sea slugs, characterized by their lack of an external shell and their often vibrant colors.
Feeding
Phyllidia marindica is a specialist feeder, consuming primarily sponges. Its diet consists of specific sponge species, which it locates and consumes using its highly developed sense of smell. The Phyllidia marindica utilizes its radula, a ribbon-like structure with rows of teeth, to scrape the sponge tissue. This feeding behavior plays a crucial role in the ecosystem, influencing the distribution and abundance of sponges within its habitat.
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