Rhyssoplax
Rhyssoplax is a genus of chitons, a group of marine mollusks known for their eight overlapping shell plates. These animals are commonly referred to as “keeled chitons” due to the distinctive ridges, or keels, that run along their shells. Rhyssoplax species are found in various coastal regions around the world, primarily in the Indo-Pacific region.
Characteristics
Rhyssoplax chitons typically exhibit a flattened, oval-shaped body with a prominent, domed shell. The shell plates are characterized by prominent, longitudinal keels, which can be smooth or ornamented with various features, such as granules, spines, or scales. The girdle, which surrounds the shell, can also be adorned with various textures and patterns.
These chitons are relatively small, with most species reaching lengths of a few centimeters. Their coloration can vary greatly, with some species displaying vibrant hues of red, orange, or yellow, while others exhibit more subdued shades of brown, gray, or black. The undersurface of the chiton is covered with a muscular foot, which allows it to cling tightly to rocks and other substrates.
Environment
Rhyssoplax species are found in a variety of marine environments, including rocky shores, intertidal zones, and subtidal habitats. They typically inhabit areas with strong currents and waves, where they can secure themselves to stable surfaces. Some species are also found in deeper waters, up to a few hundred meters.
These chitons are herbivores, feeding primarily on algae and diatoms that grow on rocks. They scrape the algae off the substrate using their radula, a specialized tongue-like structure with rows of teeth.
References
More information about Rhyssoplax can be found on the following websites: