BIOTIC

BIOTIC Species Information for Scoloplos armiger

Researched by

Lizzie Tyler

Data supplied by

University of Sheffield

Refereed by

This information is not refereed.

Reproduction/Life History

Reproductive type

Gonochoristic

Developmental mechanism

Lecithotrophic
Direct Development

Reproductive Season

Insufficient information

Reproductive Location

See additional information

Reproductive frequency

Annual episodic

Regeneration potential

Life span

3-5 years

Age at reproductive maturity

1-2 years

Generation time

Insufficient information

Fecundity

Egg/propagule size

Fertilization type

Insufficient information

Larvae/Juveniles
Larval/Juvenile dispersal potential	See additional information	Larval settlement period	Insufficient information
Duration of larval stage	11-30 days

Reproduction Preferences Additional Information

Two types of development reported. A holobenthic type that crawls out from a cocoon fixed on the substrate and burrows immediately, usually associated with intertidal populations in North Sea region and adjacent waters and a pelagic larvae associated with subtidal populations (Kruse et al., 2003; Kruse et al., 2004). In Isle of Sylt, North Sea, egg cocoons found on intertidal flats between Feb-April (Kruse et al., 2004). Spawning varies with location. In North Sea, main spawn March, secondary (pelagic) spawn from offshore in Oct (Kruse et al., 2004). At Whitstable, spawned four times in one year, main late Feb-April (Gibbs, 1968). 600-1920 / m² Oosterschelde (Coosen et al., 1994), 800 / m² at Whitstable (Gibbs, 1968).

Reproduction References

Kruse et al., 2003, Kruse et al., 2004, Coosen et al., 1994, Gibbs, 1968, Eckert, 2003, Julie Bremner, unpub data, Bartolomaeus, 1998,