BIOTIC Species Information for Chlamys spp.
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| Researched by | Sean Lindsley-Leake | Data supplied by | MarLIN | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Chlamys spp. | Common name | A bivalve mollusc | ||||||||||||
| MCS Code | W1774 | Recent Synonyms | |||||||||||||
| Phylum | Mollusca | Subphylum | |||||||||||||
| Superclass | Class | Pelecypoda | |||||||||||||
| Subclass | Pteriomorphia | Order | Ostreoida | ||||||||||||
| Suborder | Pectinina | Family | Pectinidae | ||||||||||||
| Genus | Chlamys | Species | |||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Spencer, 2002, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Feeding method | ||||||||||||||
| Mobility/Movement | Crawler Temporary attachment |
Environmental position | |||||||||||||
| Typical food types | Phytoplankton, detritus | Habit | Attached | ||||||||||||
| Bioturbator | Flexibility | None (< 10 degrees) | |||||||||||||
| Fragility | Robust | Size | Small-medium(3-10cm) | ||||||||||||
| Height | Growth Rate | ||||||||||||||
| Adult dispersal potential | Dependency | Independent | |||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | Spencer, 2002, Mason, 1983, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | |||||||||||||||
| Global distribution | |||||||||||||||
| Biogeographic range | Depth range | ||||||||||||||
| Migratory | |||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Physiographic preferences | ||||||||||||||
| Biological zone | Wave exposure | ||||||||||||||
| Tidal stream strength/Water flow | Salinity | ||||||||||||||
| Habitat Preferences Additional Information | |||||||||||||||
| Distribution References | |||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Permanent hermaphrodite |
Developmental mechanism | Planktotrophic |
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| Reproductive Season | See additional information | Reproductive Location | Water column | ||||||||||||
| Reproductive frequency | Annual episodic | Regeneration potential | No | ||||||||||||
| Life span | See additional information | Age at reproductive maturity | See additional information | ||||||||||||
| Generation time | 1-2 years | Fecundity | 3-6 million | ||||||||||||
| Egg/propagule size | 70 µm | Fertilization type | External | ||||||||||||
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| Reproduction Preferences Additional Information | Life span varies according to location and species. With Chlamys opercularis having a life span of 3-5years, and Chlamys icelandica living for in excess of 20 years. Whilst initial reproductive maturity is reached in 1 year, this spawning is seen to be significantly less than in specimens that are two years old or older. There are three spawning periods in each year, July-August, Sept-Oct, Jan-Feb, with the main spawning period in August. The spat aseetling time is substrate dependant with the main recruitment taking place over a period of 15 to 25 days during September. | ||||||||||||||
| Reproduction References | Hodgson & Burke, 1988, Spencer, 2002, Bokordt et al., 2000, Broom & Mason, 1978, Mason, 1983, | ||||||||||||||
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