''Phyllodesmium jakobsenae'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

sea slug Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary ...

, an aolid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to mat ...

, a

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

in the family

Facelinidae The Facelinidae are a taxonomic family of colorful sea slugs. These are specifically aeolid nudibranchs. They are marine gastropod molluscs.Bouchet, P. (2012). Facelinidae. Accessed through: World Register of Marine Species at http://www.marinesp ...

. The specific name ''jakobsenae'' is in honor of diver and donor of marine slugs for research, Mrs. Wera Jakobsen.

Distribution

The distribution of ''Phyllodesmium jakobsenae'' includes

Bunaken Bunaken is an island of 8 km2, part of the Bunaken National Marine Park. Bunaken is located at the northern tip of the island of Sulawesi, Indonesia. It belongs administratively to the municipality of Manado. Scuba diving attracts many vis ...

Island, North Sulawesi, Indonesia and the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

.Rudman, W.B., 2005 (September 1
''Phyllodesmium jakobsenae'' Burghardt & Wagele, 2004.
n/nowiki> Sea Slug Forum. Australian Museum, Sydney.

Description

This species contains

zooxanthellae Zooxanthellae is a colloquial term for single-celled dinoflagellates that are able to live in symbiosis with diverse marine invertebrates including demosponges, corals, jellyfish, and nudibranchs. Most known zooxanthellae are in the genus '' ...

of the genus ''

Symbiodinium : ''This is about the genus sometimes called Zoox. For the company, see Zoox (company)'' ''Symbiodinium'' is a genus of dinoflagellates that encompasses the largest and most prevalent group of endosymbiotic dinoflagellates known. These unicellul ...

'' in the digestive gland (

hepatopancreas The hepatopancreas, digestive gland or midgut gland is an organ of the digestive tract of arthropods and molluscs. It provides the functions which in mammals are provided separately by the liver and pancreas, including the production of digesti ...

). It grows to 30 mm in length.

Ecology

''Phyllodesmium jakobsenae'' feeds on the soft coral '' Xenia''.

References

{{Taxonbar, from=Q7188802 Facelinidae Gastropods described in 2004 Molluscs of the Pacific Ocean