Tubularia indivisa

Researched By	Dr Paul Somerfield & Prof. Richard Warwick	Data Supplied By	PML
Refereed by	This information is not refereed
Taxonomy
Scientific name	Tubularia indivisa	Common name	Oaten pipes hyroid
MCS Code	D163	Recent Synonyms
Phylum	Cnidaria	Subphylum
Superclass	Hydrozoa	Class	Leptolida
Subclass	Anthoathecatae	Order	Capitata
Suborder		Family	Tubulariidae
Genus	Tubularia	Species	indivisa
Subspecies
Additional Information
Taxonomy References	Hincks, 1868, Hayward & Ryland, 1995b, Allman, 1871-1872, Howson & Picton, 1997
General Biology
Growth form	Turf	Feeding method	Predator
Mobility/Movement	Permanent attachment	Environmental position	Epifaunal, Epilithic
Typical food types	Zooplankton	Habit	Erect
Bioturbator	Not relevant	Flexibility	High (>45 degrees)
Fragility	Fragile	Size	Medium(11-20 cm)
Height	4 - 15 cm	Growth Rate	Not researched
Adult dispersal potential	Not researched	Dependency	Independent
Sociability	Colonial
Toxic/Poisonous?	No
Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & Ireland	Widespread through Britain and Ireland.
Global distribution	Found in north-west Europe around the British Isles and Ireland, in the Azores and off the east coasts of Canada.
Biogeographic range	Temperate.	Depth range	Lower shore to 280 m.
Migratory	Non-migratory / Resident
Distribution Additional Information
Substratum preferences	Bedrock, Large to very large boulders, Small boulders, Cobbles	Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
Distribution References	Hincks, 1868, Hayward & Ryland, 1995b, Allman, 1871-1872, JNCC, 1999, Fish & Fish, 1996
Reproduction/Life History
Reproductive type	Gonochoristic	Developmental mechanism	Brooding
Reproductive Season	All year	Reproductive Location	As adult
Reproductive frequency	Annual protracted	Regeneration potential	Yes
Life span	1 year	Age at reproductive maturity	<1 year
Generation time	Not researched	Fecundity	>100 gonomedusae per polyp
Egg/propagule size	Insufficient information	Fertilization type	External
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Greatest in spring (April to June) Duration of larval stage Not relevant
Additional Information
Reproduction References	Fish & Fish, 1996, Miller, 1976