The Dall’s Chromodorid, scientifically known as Chromolaichma dalli, is a captivating sea slug belonging to the family Chromodorididae. These nudibranchs are renowned for their vibrant colors and striking patterns, adding a splash of beauty to the underwater world.
Description & Characteristics
Dall’s Chromodorid is a medium-sized nudibranch, typically reaching a maximum length of around 5 centimeters. Its body is characterized by a prominent mantle, often adorned with a striking blend of orange and black hues. The mantle is typically bordered with a thin, white line, enhancing the contrast and beauty of its coloration. The rhinophores, or sensory organs, are long and club-shaped, adding to its distinctive appearance.
Habitat and Occurrence
This species thrives in the depths of the ocean, inhabiting the subtidal, sublittoral, infralittoral, and deep zones. Their range extends from the lower limit of the intertidal zone to the shelf edge at approximately 200 meters, encompassing the neritic marine zone. This wide distribution speaks to their adaptability to a variety of marine environments.
Taxonomy
Dall’s Chromodorid belongs to the Class Gastropoda, which includes snails, slugs, and other shell-bearing creatures. Within this class, it is further classified under the Order Nudibranchia, a group characterized by the absence of an external shell. This order encompasses a diverse array of sea slugs, and Chromolaichma dalli is a prominent member of the Family Chromodorididae, a group known for their vibrant colors and striking patterns.
Feeding
Dall’s Chromodorid is a specialist feeder, primarily consuming sponges as its food source. This dietary preference plays a crucial role in its ecological role within the marine ecosystem.
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