BIOTIC Species Information for Crossaster papposus
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| Click here to view the MarLIN Key Information Review for Crossaster papposus | |||||||||||||||
| Researched by | Lizzie Tyler | Data supplied by | University of Sheffield | ||||||||||||
| Refereed by | This information is not refereed. | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Crossaster papposus | Common name | Common sun star | ||||||||||||
| MCS Code | ZB75 | Recent Synonyms | |||||||||||||
| Phylum | Echinodermata | Subphylum | Asterozoa | ||||||||||||
| Superclass | Class | Asteroidea | |||||||||||||
| Subclass | Order | Velatida | |||||||||||||
| Suborder | Family | Solasteridae | |||||||||||||
| Genus | Crossaster | Species | papposus | ||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Campbell, 1994, Southward & Campbell, 2006, Hayward & Ryland, 1995b, Howson & Picton, 1997, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Radial Stellate |
Feeding method | Predator Scavenger |
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| Mobility/Movement | Crawler |
Environmental position | Epifaunal Epibenthic |
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| Typical food types | Wide range of invertebrates including bivalves and other echinoderms and carrion | Habit | Free living | ||||||||||||
| Bioturbator | Not relevant | Flexibility | Low (10-45 degrees) | ||||||||||||
| Fragility | Intermediate | Size | Medium-large(21-50cm) | ||||||||||||
| Height | Not researched | Growth Rate | Not researched | ||||||||||||
| Adult dispersal potential | Not researched | Dependency | Independent | ||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | Strathmann, 1987, Hancock, 1974, Legault & Himmelman, 1993, Lambert, 1981, Carlson & Pfister, 1999, Sloan, 1980, Mortensen, 1927, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, Julie Bremner, unpub data, Mortensen, 1927, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | Found on all British and Irish coasts. | ||||||||||||||
| Global distribution | Found in north-west Europe from Denmark and the Shetland Isles to northern France and in the north-west Atlantic and north-east Pacific off the coasts of Canada. | ||||||||||||||
| Biogeographic range | Cold temperate to temperate. | Depth range | 0 - 50 m | ||||||||||||
| Migratory | Non-migratory / Resident | ||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Pebbles Gravel / shingle Coarse clean sand Fine clean sand Mixed Gravelley sand |
Physiographic preferences | Open coast Offshore seabed Strait / sound Estuary Enclosed coast / Embayment |
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| Biological zone | Upper Infralittoral Lower Infralittoral Upper Circalittoral Lower Circalittoral Circalittoral Offshore |
Wave exposure | Field unresearched |
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| Tidal stream strength/Water flow | Field unresearched |
Salinity | Full (30-40 psu) |
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| Habitat Preferences Additional Information | |||||||||||||||
| Distribution References | Campbell, 1994, NBN, 2002, JNCC, 1999, Picton & Costello, 1998, Lambert, 1981, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, Julie Bremner, unpub data, Mortensen, 1927, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Gonochoristic |
Developmental mechanism | Planktotrophic Direct Development |
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| Reproductive Season | March to April | Reproductive Location | Water column | ||||||||||||
| Reproductive frequency | Annual protracted | Regeneration potential | Yes | ||||||||||||
| Life span | 11-20 years | Age at reproductive maturity | 3-5 years | ||||||||||||
| Generation time | Not researched | Fecundity | |||||||||||||
| Egg/propagule size | 750 µm diameter | Fertilization type | External | ||||||||||||
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| Reproduction Preferences Additional Information | |||||||||||||||
| Reproduction References | Strathmann, 1987, Carlson & Pfister, 1999, Mortensen, 1927, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, Julie Bremner, unpub data, Mortensen, 1927, | ||||||||||||||
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