BIOTIC Species Information for Urothoe spp.
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| Researched by | Dr Paul Somerfield & Prof. Richard Warwick | Data supplied by | PML | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Urothoe spp. | Common name | An amphipod | ||||||||||||
| MCS Code | S246 | Recent Synonyms | |||||||||||||
| Phylum | Crustacea | Subphylum | |||||||||||||
| Superclass | Class | Eumalacostraca | |||||||||||||
| Subclass | Peracarida | Order | Amphipoda | ||||||||||||
| Suborder | Gammaridea | Family | Urothoidae | ||||||||||||
| Genus | Urothoe | Species | |||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Howson & Picton, 1997, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Articulate |
Feeding method | Active suspension feeder Surface deposit feeder |
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| Mobility/Movement | Swimmer Burrower |
Environmental position | Epifaunal |
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| Typical food types | Detritus, small invertebrates | Habit | Free living | ||||||||||||
| Bioturbator | Flexibility | High (>45 degrees) | |||||||||||||
| Fragility | Intermediate | Size | Very small(<1cm) | ||||||||||||
| Height | Growth Rate | Not researched | |||||||||||||
| Adult dispersal potential | Not researched | Dependency | Independent | ||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | Fish & Fish, 1996, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | Found on all British and Irish coasts. | ||||||||||||||
| Global distribution | Found in north-west Europe from Denmark and Scotland to northern France, off the coasts of New Zealand and off South African coasts. | ||||||||||||||
| Biogeographic range | Temperate. | Depth range | 10 - 30 m | ||||||||||||
| Migratory | Non-migratory / Resident | ||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Gravel / shingle Fine clean sand Muddy sand Muddy gravelly sand |
Physiographic preferences | |||||||||||||
| Biological zone | Mid Eulittoral Lower Eulittoral Sublittoral Fringe Upper Infralittoral Lower Infralittoral |
Wave exposure | |||||||||||||
| Tidal stream strength/Water flow | Salinity | Full (30-40 psu) |
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| Habitat Preferences Additional Information | |||||||||||||||
| Distribution References | Fish & Fish, 1996, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Permanent hermaphrodite |
Developmental mechanism | Direct Development |
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| Reproductive Season | May to September | Reproductive Location | As adult | ||||||||||||
| Reproductive frequency | Regeneration potential | No | |||||||||||||
| Life span | 1-2 years | Age at reproductive maturity | <1 year | ||||||||||||
| Generation time | Not researched | Fecundity | 15 per brood | ||||||||||||
| Egg/propagule size | Insufficient information | Fertilization type | Internal | ||||||||||||
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| Reproduction Preferences Additional Information | |||||||||||||||
| Reproduction References | Fish & Fish, 1996, Foster-Smith, 2000, | ||||||||||||||
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