Mandela's nudibranch
Encyclopedia
Mandela's nudibranch, Mandelia mirocornata, is a species
of sea slug
, a dorid
nudibranch
. It is a marine
gastropod mollusc in the family
Mandeliidae
.
to Port Elizabeth in 10-400 m of water. It is probably endemic.
. Its gill
s and rhinophore
s are large and creamy-coloured. The rhinophores are perfoliate, but are oblong rather than round. The animal may also have irregular brown stripes rather than spots on the notum, radiating out to the margins. It may reach a total length of 70 mm.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of sea slug
Slug
Slug is a common name that is normally applied to any gastropod mollusc that lacks a shell, has a very reduced shell, or has a small internal shell...
, a dorid
Doridacea
Doridacea is a taxonomic grouping of dorid nudibranchs, shell-less marine gastropod mollusks. included in the clade Euctenidiacea of the clade Nudibranchia.- Taxonomy :*Superfamily Doridoidea**Family Dorididae**Family Actinocyclidae...
nudibranch
Nudibranch
A nudibranch is a member of what is now a taxonomic clade, and what was previously a suborder, of soft-bodied, marine gastropod mollusks which shed their shell after their larval stage. They are noted for their often extraordinary colors and striking forms...
. It is a marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod mollusc in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Mandeliidae
Mandeliidae
Mandeliidae is a family of sea slugs, dorid nudibranchs, marine gastropod mollusks in the superfamily Phyllidioidea. This family is within the clade Euctenidiacea. The family is named for the former President of South Africa, Nelson Mandela-External links:...
.
Distribution
This species has so far only been found around the southern African coast from the Atlantic coast of the Cape PeninsulaCape Peninsula
The Cape Peninsula is a generally rocky peninsula that juts out for 75 km into the Atlantic Ocean at the south-western extremity of the African continent. At the southern end of the peninsula are Cape Point and the Cape of Good Hope...
to Port Elizabeth in 10-400 m of water. It is probably endemic.
Description
Mandela's nudibranch has a bumpy dirty white to brown skin. It has black spots scattered over the notumNotum
The notum is the dorsal portion of an insect's thoracic segment. It is typically a single large sclerite. It can be further divided into the alinotum which bears the wings and the postnotum which bears the phragma....
. Its gill
Gill
A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water, afterward excreting carbon dioxide. The gills of some species such as hermit crabs have adapted to allow respiration on land provided they are kept moist...
s and rhinophore
Rhinophore
A rhinophore is one of a pair of club-shaped structures which are the most prominent part of the external head anatomy of a group of sea slugs, marine gastropod opisthobranch mollusks in the order Nudibranchia, the nudibranchs, specifically the dorid nudibranchs.- Etymology :The name relates to the...
s are large and creamy-coloured. The rhinophores are perfoliate, but are oblong rather than round. The animal may also have irregular brown stripes rather than spots on the notum, radiating out to the margins. It may reach a total length of 70 mm.