Date & Time : 18, October 2018 05:41
Phylum - Cnidaria
Class - Hydrozoa
Order - Hydroida
Genus - Tubularia
Found in Europe and California
It is a marine form found attached to piles in shallow water.
- The colony of Tubularia consists of tufts of irregularly branched stems bearing hydranths arising from hydrorhiza.
- Hydranths have long stalk and two sets of solid filiform tentacles.
- Hydranths or polyps have flower like appearance.
- Hydrocaulus is made up of transparent living tissue; coenosarc covered by perisarc.
- Gonophores arise as hollow branches from the body of the hydranth between two sets of tentacles.
- Meduases are borne by gonophores.
- Reproduction occurs by both sexual and asexual means.