BIOTIC Species Information for Pandalus spp.
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| Researched by | Sean Lindsley-Leake | Data supplied by | MarLIN | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Pandalus spp. | Common name | A shrimp | ||||||||||||
| MCS Code | S1375 | Recent Synonyms | |||||||||||||
| Phylum | Crustacea | Subphylum | |||||||||||||
| Superclass | Class | Eumalacostraca | |||||||||||||
| Subclass | Eucarida | Order | Decapoda | ||||||||||||
| Suborder | Pleocyemata | Family | Pandalidae | ||||||||||||
| Genus | Pandalus | Species | |||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Bergstrom, 2000, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Feeding method | ||||||||||||||
| Mobility/Movement | Swimmer Crawler |
Environmental position | |||||||||||||
| Typical food types | Habit | Free living | |||||||||||||
| Bioturbator | Flexibility | Low (10-45 degrees) | |||||||||||||
| Fragility | Intermediate | Size | Medium(11-20 cm) | ||||||||||||
| Height | Growth Rate | ||||||||||||||
| Adult dispersal potential | Dependency | Independent | |||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | Bergstrom, 2000, | ||||||||||||||
| 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 | Bergstrom, 2000, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Protandrous hermaphrodite Gonochoristic |
Developmental mechanism | Lecithotrophic Planktotrophic |
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| Reproductive Season | Spring | Reproductive Location | As adult | ||||||||||||
| Reproductive frequency | Annual episodic | Regeneration potential | No | ||||||||||||
| Life span | 3-5 years | Age at reproductive maturity | 1-2 years | ||||||||||||
| Generation time | See additional information | Fecundity | 1,000-3,000 eggs | ||||||||||||
| Egg/propagule size | 0.5mm | Fertilization type | Internal | ||||||||||||
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| Reproduction Preferences Additional Information | Following an initial mating period in the spring, eggs are extruded during the late summer months and carried on pleopods. The eggs in P.borealis hatch the following March to May. Fecundity is closely linked to both temperature and female size. Reproductive maturity is reached in 18 months in hermaphrodites, and 3 months in primary females. Larvae is planktotrophic following an initial period of lecithotrophy (~6days), the larval duration is a function of temperature and sufficient food. In optimal North Sea conditions the larval period is 4 months. The frequency of breeding also depends on temperature and location, in the Barents Sea P.borealis breeds every other year, whilst P.danae breeds all year round. Generation time depends on which females are reproducing, a primary female will mature in 3 months, whilst the protandrous hemaphroditic females will become mature at 18 months. | ||||||||||||||
| Reproduction References | Bergstrom, 2000, Dahlstrom, 1960, | ||||||||||||||
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