BIOTIC Species Information for Polycarpa spp.
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| Researched by | Sean Lindsley-Leake | Data supplied by | MarLIN | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Polycarpa spp. | Common name | A sea squirt | ||||||||||||
| MCS Code | ZD110 | Recent Synonyms | |||||||||||||
| Phylum | Chordata | Subphylum | |||||||||||||
| Superclass | Class | Ascidiacea | |||||||||||||
| Subclass | Order | Stolidobranchia | |||||||||||||
| Suborder | Family | Styelidae | |||||||||||||
| Genus | Polycarpa | Species | |||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Millar, 1970, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Feeding method | ||||||||||||||
| Mobility/Movement | Permanent attachment |
Environmental position | |||||||||||||
| Typical food types | Habit | Attached | |||||||||||||
| Bioturbator | Flexibility | High (>45 degrees) | |||||||||||||
| Fragility | Fragile | Size | Small-medium(3-10cm) | ||||||||||||
| Height | Growth Rate | ||||||||||||||
| Adult dispersal potential | Dependency | Independent | |||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | Millar, 1970, | ||||||||||||||
| 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 | Lecithotrophic |
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| Reproductive Season | April to November | Reproductive Location | Water column | ||||||||||||
| Reproductive frequency | Annual episodic | Regeneration potential | Yes | ||||||||||||
| Life span | Insufficient information | Age at reproductive maturity | <1 year | ||||||||||||
| Generation time | <1 year | Fecundity | 20000 | ||||||||||||
| Egg/propagule size | 150-240 µm | Fertilization type | External | ||||||||||||
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| Reproduction Preferences Additional Information | Polycarpa produces lecithotrophic tadpole larvae. | ||||||||||||||
| Reproduction References | Chen & Dai, 2000, Millar, 1970, | ||||||||||||||
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