BIOTIC Species Information for Hydrallmania spp.
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| Click here to view the MarLIN Key Information Review 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 |
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| 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 | ||||||||||||
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| Reproduction Preferences Additional Information | The reproductive mechanisms of Hydrallmania are thought to be: planktotrophic planula larvae, with budding within colony. | ||||||||||||||
| Reproduction References | Kosevich, 2006, | ||||||||||||||
