Bushy-backed sea slug (Dendronotus frondosus)
|Researched by||Ken Neal||Refereed by||Admin|
|Other common names||Frond aeolis, Bushy-backed nudibranch||Synonyms||-|
Dendronotus frondosus is a large, up to 10 cm long, laterally compressed sea slug with variable colouring. It can be white or pink with mottled brown, red or yellow pigment. Along the back there are paired, branched processes called cerata that act as gills. In between the cerata there are smaller processes that are also branched. On the front edge of many sea slugs is a flap of tissue called the oral veil, which bears branched processes in Dendronotus frondosus. The antenna-like rhinophores are sheathed in tissue and these sheaths terminate in branched processes. Between the branches at the end of the rhinophore sheaths are the ends of the rhinophores themselves, which resemble ribbed pine cones in texture and shape.
Recorded distribution in Britain and IrelandCommon on all British and Irish coasts.
HabitatAdult Dendronotus frondosus are found in the shallow sublittoral on the hydroids Tubularia larynx and Tubularia indivisa. Juveniles can be found on the hydroids Obelia sp., Sertularia sp., Halecium sp., and Hydrallmania falcata
- White or pale pink mottled with brown, red or yellow pigment.
- Nine pairs of highly branched cerata on dorsal surface.
- Oral veil with highly branched processes.
- Rhinophores are sheathed, terminating in arborescent (tree-like) processes and a lamellate, corkscrew-like appendage.
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Last Updated: 31/05/2007