Pseudocuma longicorne

Researched By	Dr Paul Somerfield & Prof. Richard Warwick	Data Supplied By	PML
Refereed by	This information is not refereed
Taxonomy
Scientific name	Pseudocuma longicorne	Common name	A cumacean
MCS Code	S1234	Recent Synonyms	Pseudocuma longicornis
Phylum	Crustacea	Subphylum
Superclass		Class	Eumalacostraca
Subclass	Peracarida	Order	Cumacea
Suborder		Family	Pseudocumatidae
Genus	Pseudocuma	Species	longicorne
Subspecies
Additional Information
Taxonomy References	Howson & Picton, 1997
General Biology
Growth form	Articulate	Feeding method	Detritivore
Mobility/Movement	Swimmer, Burrower	Environmental position
Typical food types	Micro-organisms, organic matter	Habit	Free living
Bioturbator		Flexibility	Low (10-45 degrees)
Fragility	Intermediate	Size	Very small(<1cm)
Height	0	Growth Rate	Not researched
Adult dispersal potential	100-1000m	Dependency	Independent
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References	Jones, 1976
Distribution and Habitat
Distribution in Britain & Ireland	Found off all British and Irish coasts.
Global distribution	Found in western Europe from Norway to the Mediterranean, especially around the British Isles and Ireland.
Biogeographic range	Temperate.	Depth range	Lower shore to 20 m.
Migratory	Non-migratory / Resident
Distribution Additional Information
Substratum preferences	Mud, Muddy sand, Sandy mud, Water column (pelagic)	Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
AMBI Group (Borja et al., 2000)	II
Distribution References	Foster-Smith, 2000
Reproduction/Life History
Reproductive type	Gonochoristic	Developmental mechanism	Direct Development, Brooding
Reproductive Season	Continuous	Reproductive Location	Sediment surface
Reproductive frequency		Regeneration potential	No
Life span	1 year	Age at reproductive maturity	<1 year
Generation time	Not researched	Fecundity	Insufficient information
Egg/propagule size	150 µm	Fertilization type	Internal
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Not relevant Duration of larval stage Not relevant
Additional Information
Reproduction References	Jones, 1976, Corey, 1981