Nudibranch – Discodoris branneri

, Nudibranch, Discodoris branneri
Depth: 0 - 7 m

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Amvrakikos Gulf, Andaman Sea, Arabian Sea, Aral Sea, Arctic Ocean, Atlantic Ocean, Baltic Sea, Barents Sea, Bay of Bengal, Bay of Biscay, Beaufort Sea, Bering Sea, Black Sea, Bohai Sea, Cantabrian Sea, Celtic Sea, Chukchi Sea, Coral Sea, Dead Sea, English Channel, German Bight, Great Barrier Reef, Greenland Sea, Gulf of Aden, Gulf of Fonseca, Gulf of Maine, Gulf of Mexico, Gulf of Saint Lawrence, Halmahera Sea, Iberian Sea, Indian Ocean, Java Sea, Korinthiakos Gulf, Labrador Sea, Levantine Sea, Lingayan Gulf, Mediterranean Sea, Moro Gulf, Okhotsk Sea, Pacific Ocean, Pagassitikos Gulf, Salish Sea, Saronikos Gulf, Scotia Sea, Sea of Azov, Sea of Marmara, Siberian Sea, South China Sea, Southern Ocean, Thermaikos Gulf

Discodoris branneri, commonly known as the Discodoris branneri, is a species of colorful sea slug, a nudibranch, belonging to the family Discodorididae. This striking creature is characterized by its vibrant coloration and unique morphology, making it a fascinating subject of study for marine biologists and enthusiasts alike.

Description & Characteristics

Discodoris branneri is a relatively small nudibranch, typically reaching a maximum size of around 30 millimeters in length. Its body is generally oval-shaped, flattened dorsoventrally, and exhibits a characteristically smooth texture. The most striking feature of this species is its bright orange or reddish-orange coloration, which often displays patches of darker orange or brown pigment. Its rhinophores, the sensory organs located on its head, are short and club-shaped, and its cerata, the finger-like projections along its back, are relatively short and blunt.

Habitat and Occurrence

Discodoris branneri is a common inhabitant of the intertidal and subtidal zones, often found in shallow waters along rocky shores. This nudibranch is particularly prevalent in the northeastern Pacific Ocean, where it is frequently observed in marine zones ranging from the low intertidal to depths of around 20 meters. Its preferred habitat includes areas with a rich abundance of sponges, which serve as its primary food source.

Taxonomy

The species Discodoris branneri belongs to the Class: Gastropoda, Order: Nudibranchia, and Family: Discodorididae. This classification places it within the larger group of gastropod mollusks, which also includes snails and slugs, and more specifically within the order Nudibranchia, which encompasses a diverse array of marine invertebrates characterized by their lack of external shells.

Feeding

Discodoris branneri is a food specialist, feeding primarily on sponges. This dietary preference plays a significant role in its ecological interactions and distribution. The nudibranch’s ability to consume and utilize sponges as a food source has likely contributed to its success and abundance in marine environments where sponges are abundant.

Associated Species

Image References

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