Actinauge richardi

Researched By	Charlotte Marshall	Data Supplied By	MarLIN
Refereed by	This information is not refereed.
Taxonomy
Scientific name	Actinauge richardi	Common name	A sea anemone
MCS Code	D739	Recent Synonyms	Not researched
Phylum	Cnidaria	Subphylum
Superclass	Anthozoa	Class	Hexacorallia
Subclass		Order	Actinaria
Suborder	Nynantheae	Family	Hormathiidae
Genus	Actinauge	Species	richardi
Subspecies
Additional Information	Up to 12 cm tall and 8 cm in diameter when fully expanded (Manuel, 1988). Actinauge richardi stabilizes itself by invaginating its column to enclose a ball of sediment at its base although it is also capable of normal attachment on stones or shells (Manuel, 1988).
Taxonomy References	Manuel, 1988
General Biology
Growth form	Radial, Globose	Feeding method	Passive suspension feeder, Predator
Mobility/Movement	Temporary attachment	Environmental position	Epibenthic
Typical food types	Insufficient information	Habit	Attached
Bioturbator	Not relevant	Flexibility	High (>45 degrees)
Fragility	Intermediate	Size	Medium(11-20 cm)
Height	Up to 12 cm	Growth Rate	Insufficient information
Adult dispersal potential	Insufficient information	Dependency	Independent
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & Ireland	Sublittoral species found at depths >50 m from Norway down to Senegal (Stephensen, 1935; Manuel, 1988). Stephensen (1935) reported greatest abundance below ca 730 m.
Global distribution	Found in north-east Atlantic from Norway and the Shetlands to the Mediterranean and north-west Africa, and recorded of the north-east coasts of South America.
Biogeographic range	Not researched	Depth range	>50 m - ca 730 m
Migratory	Non-migratory / Resident
Distribution Additional Information
Substratum preferences	Coarse clean sand, Fine clean sand, Sandy mud, Muddy sand, Mud	Physiographic preferences	Offshore seabed
Biological zone	Circalittoral Offshore	Wave exposure	Insufficient information
Tidal stream strength/Water flow	Insufficient information	Salinity	Full (30-40 psu)
Habitat Additional Information
Distribution References	Manuel, 1988
Reproduction/Life History
Reproductive type	Insufficient information	Developmental mechanism
Reproductive Season	Insufficient information	Reproductive Location	Insufficient information
Reproductive frequency	Insufficient information	Regeneration potential	No
Life span	Insufficient information	Age at reproductive maturity	Insufficient information
Generation time	Insufficient information	Fecundity	Insufficient information
Egg/propagule size	Insufficient information	Fertilization type	Insufficient information
Larvae/Juveniles Larval/Juvenile dispersal potential Insufficient information Larval settlement period Insufficient information Duration of larval stage Insufficient information
Additional Information	Very little information found. It is probably dioecious and produces a planula larva. The anthozoan planula is relativley long-lived (up to weeks) according to Campbell (1974).
Reproduction References	Campbell, 1974