Sertulariidae Lamouroux 1812

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Thuiaria thuja (Linn.).

Hydfrallmania falcata.

Diphasia rosacea (Linn.).

Sertularia enpressina.

Sertularia pumila.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Hydrallmania falcata (Linn.). A.Portion of Branch, side view. B.Gonanglum.

Thuiaria capressina (Linn.) A.Gonangla.

Sertularia pumila Linn. A.Side view of branch bearing gonanglium.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Sertularia argentea.

Sertularia complexa Clarke.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Thuiaria argentea (Ell. & Sol.). A.Gonanglum.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

The gonangia arise from the central stalk of a fernlike spray. They release sperm that fertilize retained eggs. These eggs develop into planula larvae which are released.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Hydroid photographed at 17m depth.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

This closer view of the colony shows the polyps (within their hydrothecae) along the two sides of each branch. Notice that the branches are about twice as wide as the hydrothecae are.