Nudibranch – Hypselodoris kaname

, Nudibranch, Hypselodoris kaname

Hypselodoris kaname, a captivating and vibrantly colored species of sea slug, is a fascinating member of the marine world. Its distinctive features and intriguing life cycle make it a subject of interest for marine biologists and enthusiasts alike.

Description & Characteristics

Hypselodoris kaname is a medium-sized nudibranch, reaching a maximum length of approximately 40 millimeters. Its body is elongated and somewhat flattened, with a characteristic mantle that extends beyond the sides. The most striking feature of this species is its bright orange or red body, often adorned with white or cream-colored spots or streaks, which contrast beautifully against the surrounding coral reefs. These patterns can vary slightly between individuals, making each Hypselodoris kaname unique. The rhinophores, located on the head and responsible for sensing the environment, are club-shaped and tipped with a distinctive white rim.

Habitat and Occurrence

Hypselodoris kaname is typically found in shallow waters, particularly on coral reefs. Its preferred habitat is the Indo-Pacific region, where it occurs from the tropical waters of the Indian Ocean to the Pacific Islands. This nudibranch is primarily found in the neritic zone, specifically the coral reef ecosystem.

Taxonomy

Hypselodoris kaname belongs to the class Gastropoda, which encompasses a vast group of mollusks including snails, slugs, and limpets. It is further classified within the order Nudibranchia, a group of shell-less marine gastropods that are often referred to as sea slugs. Hypselodoris kaname is a member of the family Chromodorididae, a family known for their vibrant colors and striking patterns.

Feeding

Hypselodoris kaname is a carnivore and exhibits a specialized diet, feeding primarily on sponges. The species exhibits a high degree of specialization, often targeting specific sponge species for their food source. This feeding behavior is crucial for the nudibranch’s survival and plays a significant role in the intricate balance of the coral reef ecosystem.

Associated Species

Image References

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