Turritopsis nutricula

Turritopsis nutricula McCrady 1857

Languages: English


General Description

Colonies erect, 3 - 4 cm high, bushy, branched and straggling, stems fascicled, covered in a fine perisarc. Branches joined to stem for a short distance before diverging.

One hydranth 1 - 2 mm long, terminal on each branch, hydranth body naked, with scattered filiform tentacles.Medusa buds borne on the body of hydranth, pear-shaped with eight marginal tentacles at release.

Adult medusa deep bell-shaped, 1 - 2 cm wide, stomach cross-shaped, surrounded by four large gonads, mouth with four elongated lobes. Margin of bell with up to 100 tentacles.

Colour: Perisarc of colony buff-coloured, hydranths pink, tentacles white. Bell of medusa transparent, gonads rose red. 

Author(s): Watson, Jeanette
Rights holder(s): Watson, Jeanette

Ecology and Distribution


Cosmopolitan. Australian distribution New South Wales, South Australia, Tasmania, Victoria and Western Australia.

Author(s): Watson, Jeanette
Rights holder(s): Watson, Jeanette


Subtidal, growing on algal and invertebrate substrates. 

Author(s): Watson, Jeanette
Rights holder(s): Watson, Jeanette


  • Oceania nutricula McCrady, 1857. (synonym)
  • Tubiclava rubra Farquhar, 1895. (synonym)
  • Turritopsis pacifica Maas, 1909 (synonym)
  • Corydendrium zelandicum Stechow, 1924 (synonym)
  • Turritopsis nutricula Russell, 1953 (synonym)
  • Dendroclava dohrni Weismann, 1883 (synonym)


Watson, J. E. (1978).  New species and new records of Australian athecate hydroids. Proceedings of the Royal Society of Victoria. 90, 301-314.
Watson, J. E. (1999).  Review of hydroids introduced to Victorian waters. (HewittC L., CampbellM L., ThresherR E., MartinR B., Ed.).Marine biological invasions of Port Phillip Bay, Victoria.