Phyllidiopsis

Common Names

Members of the genus Phyllidiopsis are commonly referred to as "leaf slugs" due to their flattened, leaf-like appearance. Other common names include "dorid nudibranchs" or "phyllodes."

Characteristics

Phyllidiopsis species are generally small, with body sizes ranging from a few millimeters to a few centimeters. They possess a number of key characteristics that distinguish them from other nudibranchs, including:

• Flattened body: Their bodies are dorsoventrally flattened, giving them a leaf-like shape.
• Mantle: The mantle (the outer covering of the body) is smooth or covered in small tubercles.
• Rhinophores: The rhinophores, sensory organs used for smell, are short and club-shaped.
• Gill: The gills, located on the posterior end of the body, are usually branched and feathery.
• Coloration: Phyllidiopsis species are known for their vibrant and often intricate coloration, which serves as camouflage and warning coloration.

Environments

Phyllidiopsis species are found in tropical and subtropical waters around the world, primarily in the Indo-Pacific region. They are typically found in shallow, rocky reefs and tide pools.

References

For further information on Phyllidiopsis, refer to the following reliable sources:

• WoRMS - World Register of Marine Species
• Sea Slug Forum