Rathkea octopunctata (Sars, 1835)

B-G. Rathkea octopunctata, B. extended hydranth with four tentacles and medusa bud, C. medusa bud, enlarged. showing spots, D, apical view of medusa bud, E, more advanced medusa with tentacle bulbs, F, medusa with newly extended tentacles, G, liberated medusa. Scale bar: 0.5 mm.

From Watson, J.E., McInnes, D. (1999). Hydroids from Ricketts Point and Black Rock, Victoria. The Victorian Naturalist 116: 102-111

Photographer: Watson, Jeanette. Publisher: Watson, Jeanette.