Nudibranch – Thorunna arbuta

, Nudibranch, Thorunna arbuta
Water Type: Marine
Toxicity: Toxic hazard unknown
Red List Status: Not evaluated (NE)
Temperature: °F - 77 °F (°C - 25°C)

Thorunna arbuta, commonly known as the Thorunna arbuta, is a species of colorful sea slug, a type of nudibranch, found in the Indo-Pacific region. These fascinating creatures are renowned for their vibrant colors and intricate patterns.

Description & Characteristics

Thorunna arbuta is a relatively small nudibranch, reaching a maximum size of about 20 mm in length. Its body is characterized by a striking combination of colors. It typically displays a bright orange or red body with a series of white or yellow spots scattered across its back. The spots often appear in lines or rows, further enhancing its visual appeal.

Habitat and Occurrence

Thorunna arbuta is typically found in shallow water environments, often in coral reefs and rocky areas. It is known to inhabit the Indo-Pacific region, including areas like the Philippines, Indonesia, and the Great Barrier Reef. This distribution places it in both tropical and subtropical marine zones, indicating its adaptability to diverse environments.

Taxonomy

Thorunna arbuta is classified under the Class: Gastropoda, Order: Nudibranchia, and Family: Chromodorididae. This classification places it within a group of marine gastropods that have lost their shells and developed striking external features.

Feeding

Thorunna arbuta is a food specialist, relying primarily on sponges as its food source. It selectively targets specific sponge species, consuming their tissues and absorbing their nutrients. This feeding strategy, coupled with its vibrant coloration, reflects a complex relationship between the nudibranch and its environment.

Associated Species

Image References

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