Spotted Cowrie
NameSpotted Cowrie
Scientific NameDendronotus frondosus
Common NameBushy-backed nudibranch (Note: The provided metadata name "Spotted Cowrie" is a misnomer for the organism depicted.)
FamilyDendronotidae
GenusDendronotus
Speciesfrondosus
Geographic DistributionNorth Atlantic Ocean, including the coasts of Europe and North America, extending into Arctic waters.
Habitatsubtidal
Average Size (mm)Typically ranges from 20 to 60 mm, but can grow up to 120 mm in length.
Identifying FeaturesDistinctive, large, and extensively branched (arborescent) cerata covering the entire dorsum; branched rhinophores; and an oral veil with branched appendages. Its cryptic coloration aids in camouflage.
Raritycommon
Author Citation(Ascanius, 1774)
Description
The image displays a nudibranch, a type of sea slug, characterized by its highly branched, tree-like cerata covering the entire dorsal surface. These cerata are used for respiration and defense, and contribute to its cryptic camouflage. The organism's body and cerata exhibit a reddish-orange to pinkish coloration, blending with the surrounding substrate, likely hydroids or algae. Despite the metadata's 'Spotted Cowrie' designation, this organism is not a cowrie (which possesses a prominent external shell) but rather a shell-less mollusc. It is identified as a species of *Dendronotus*, commonly known as a Bushy-backed nudibranch.
