Aglaura hemistoma
Péron & Le Sueur (1810)
Download a fact sheet for Aglaura hemistoma (PDF 229KB)
Taxonomy
| Phylum | Cnidaria |
| Subphylum | Hydrozoa |
| Class | Trachylinae |
| Order | Trachymedusae |
| Family | Rhopalonematidae |
| Genus | Aglaura |
| Species | hemistoma |
Size
- Umbrella 4-6 mm high, 3-4 mm wide
Distinguishing characteristics
- Small
- Appears ‘shiny’
- Apex flat
- 48-85 tentacles, fragile may be missing
- 8 sausage-shaped ‘‘gonads’’ attached on peduncle, not on subumbrella
- Wide velum draping down
- No clear radial canals
- Similar to Persa spp. (gonads are on radial canals in that species)
Distribution
- Common
Ecology
References
- Bouillon, J., C. Gravili, et al. (2006). "An introduction to Hydrozoa." Memoires du Museum National d'Histoire Naturelle 194: 1-591.