The Spiked Chiton, Red Glass-hair Chiton – Acanthochitona hemphilli is a species of marine mollusk belonging to the class Polyplacophora, commonly known as chitons. These fascinating creatures are characterized by their flattened, oval-shaped bodies, protected by eight overlapping plates, known as valves. These plates are usually covered in a variety of textures, including spines, granules, and scales, contributing to their unique and often striking appearance. The Spiked Chiton, as its name suggests, possesses prominent, pointed spines that extend from its valves. These spines provide protection from predators and contribute to its remarkable camouflage, blending seamlessly with the rocky environments it calls home.
Description & Characteristics
The Spiked Chiton, Acanthochitona hemphilli, can reach a maximum size of around 3.5 cm, making it a relatively small member of the chiton family. Its valves exhibit a striking red coloration, often interspersed with patches of orange or yellow, adding to its visually captivating presence. The species is known for its prominent, glass-like hairs, which are particularly striking and can be found in a range of shades, from reddish-brown to a vibrant orange.
Habitat and Occurrence
The Spiked Chiton, Acanthochitona hemphilli, is primarily found in the intertidal and subtidal zones, typically residing in rocky areas along the coastline. These zones are characterized by fluctuating tides and the constant interplay of saltwater and freshwater. The species is known to thrive in a variety of marine habitats, including rocky reefs, tide pools, and exposed shorelines. It exhibits a remarkable ability to cling tightly to surfaces, using a muscular foot that enables it to withstand the forceful action of waves and currents.
Taxonomy
The species Acanthochitona hemphilli belongs to the Class: Polyplacophora, Order: Chitonida, and Family: Acanthochitonidae. These classifications reflect its evolutionary history and shared characteristics with other chiton species. Polyplacophora encompasses a diverse group of marine mollusks characterized by their eight-plated shells, while Chitonida represents a specific order within this class. The Acanthochitonidae family is further distinguished by its spiny valves, a defining feature of the Spiked Chiton.
Feeding
The Spiked Chiton, Acanthochitona hemphilli, is primarily a grazer, feeding on a diverse range of algae that grow on rocks and other surfaces. These include benthic algae, epiphytes, and detritus. Its feeding habits play a crucial role in the ecosystem, contributing to the control of algal growth and the cycling of nutrients. The Spiked Chiton’s radula, a ribbon-like structure covered in tiny teeth, is a specialized feeding apparatus that allows it to scrape algae from surfaces. The powerful muscles in its foot enable it to move across rocks and reach its preferred food sources.
Image References