Bougainvillea muscus

Herringbone Hydroid
Halecium halecinum

Plumularia sp.

Podded Hydroid
Aglaophenia pluma

Plumularia similis

Nemertesia ramosa

Great Tooth Hydroid
Sertularella polyzonias

Sickle Hydroid
Hydrallmania falcata

Dynamena pumila

Bottle-brush Hydroid
Thuiaria thujia