BIOTIC Species Information for Astropecten irregularis
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| Researched by | Morvan Barnes & Sean Lindsley-Leake | Data supplied by | MarLIN |
| Refereed by | This information is not refereed | ||
| General Biology | |||
| Growth form | Stellate Radial |
Feeding method | Predator Scavenger |
| Mobility/Movement | Crawler Crawler |
Environmental position | Epibenthic |
| Typical food types | Large benthic invertebrates including molluscs, particularly the clam Spisula subtruncata, polychaetes, crustaceans, and other echinoderms and carrion. | Habit | Free living |
| Bioturbator | Flexibility | High (>45 degrees) | |
| Fragility | Intermediate | Size | Small-medium(3-10cm) |
| Height | not relevant | Growth Rate | 17 cm/year at most |
| Adult dispersal potential | 1km-10km | Dependency | Independent |
| Sociability | Gregarious | ||
| Toxic/Poisonous? | No | ||
| General Biology Additional Information | Growth rate There is considerable irregularity in the growth rate of starfish, especially during their first year. Growth rates of Astropecten irregularis are also highly seasonal and dependent on food availability, reaching 17 cm/year. Maximum growth occurs between March and April and between August and November. |
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| Biology References | Hayward et al., 1996, Hayward & Ryland, 1995b, Picton, 1993, Fish & Fish, 1996, Mortensen, 1927, Freeman et al, 2001, | ||
BIOTIC - Biological Traits Information Catalogue
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