BIOTIC Species Information for Hydrallmania spp.
| |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Researched by | Sean Lindsley-Leake | Data supplied by | MarLIN | ||||||||||||
Refereed by | This information is not refereed | ||||||||||||||
Taxonomy | |||||||||||||||
Scientific name | Hydrallmania spp. | Common name | A hydroid | ||||||||||||
MCS Code | D423 | Recent Synonyms | Not researched | ||||||||||||
Phylum | Cnidaria | Subphylum | |||||||||||||
Superclass | Hydrozoa | Class | Leptolida | ||||||||||||
Subclass | Leptothecatae | Order | Conica | ||||||||||||
Suborder | Family | Sertularidae | |||||||||||||
Genus | Hydrallmania | Species | |||||||||||||
Subspecies | |||||||||||||||
Additional Information | |||||||||||||||
Taxonomy References | |||||||||||||||
General Biology | |||||||||||||||
Growth form | Feeding method | ||||||||||||||
Mobility/Movement | Permanent attachment |
Environmental position | |||||||||||||
Typical food types | Habit | Erect | |||||||||||||
Bioturbator | Not relevant | Flexibility | High (>45 degrees) | ||||||||||||
Fragility | Fragile | Size | Medium(11-20 cm) | ||||||||||||
Height | Up to 64 cm | Growth Rate | |||||||||||||
Adult dispersal potential | 10-100m | Dependency | Independent | ||||||||||||
Sociability | Colonial | ||||||||||||||
Toxic/Poisonous? | No | ||||||||||||||
General Biology Additional Information | |||||||||||||||
Biology References | |||||||||||||||
Distribution and Habitat | |||||||||||||||
Distribution in Britain & Ireland | Widespread off all British and Irish coasts. | ||||||||||||||
Global distribution | Found from the Arctic to south-west Europe. | ||||||||||||||
Biogeographic range | Cold temperate to temperate. | Depth range | 20 to 100 m. | ||||||||||||
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 | Budding Permanent hermaphrodite |
Developmental mechanism | Lecithotrophic |
||||||||||||
Reproductive Season | December to April | Reproductive Location | Insufficient information | ||||||||||||
Reproductive frequency | Annual episodic | Regeneration potential | Yes | ||||||||||||
Life span | Insufficient information | Age at reproductive maturity | Insufficient information | ||||||||||||
Generation time | Insufficient information | Fecundity | Insufficient information | ||||||||||||
Egg/propagule size | 140 µm | Fertilization type | Internal | ||||||||||||
|
|||||||||||||||
Reproduction Preferences Additional Information | The reproductive mechanisms of Hydrallmania are thought to be: planktotrophic planula larvae, with budding within colony. | ||||||||||||||
Reproduction References | Kosevich, 2006, |