Pennaria disticha Goldfuss, 1820

Fig. 10. Pennaria disticha: A, colony from Darwin Harbour; B, C, stenoteles size classes 1 and 2 from capitate tentacles; D, E, stenoteles size classes 3 and 4 from tentacles; F, desmoneme; G, ?haploneme from aboral tentacles; H, nematocyst with inclusion body; I, ?isorhiza. Scale bar: A, I cm, B-H, 20 µm.

From Watson, J.E. (1999) Hydroids (Hydrozoa: Anthoathecata) from the Beagle Gulf and Darwin Harbour, Northern Australia. The Beagle: Records of the Museums and Art Galleries of the Northern Territory 15: 1-21.

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