Characteristics
Arminids are characterized by their elongated, cylindrical bodies, which typically range from 10 to 50 millimeters in length. They possess a distinctive feature called a "cerata," which are finger-like projections that extend from their dorsal surface. These cerata are often brightly colored and can vary in shape and size depending on the species.
Arminids are carnivores, feeding primarily on hydroids, a type of cnidarian. They use their radula, a ribbon-like structure in their mouth, to scrape and consume their prey. Some species are known to specialize in feeding on specific types of hydroids.
Environments
Arminids are found in a variety of marine environments, including intertidal zones, coral reefs, and deep-sea habitats. They are typically found on rocky substrates or attached to other marine organisms such as algae or sponges.
Common Names
The common names for arminids are based on their genus, "Arminea." The most common name is "arminid," but they are also referred to as "arminacean nudibranchs."
References
World Register of Marine Species
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