Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Clytia delicatula (Thornely, 1900)

Hidrozoo, Hydrozoa

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Cnidaria

Class
Hydrozoa

Order
Leptothecata

Suborder
Proboscoida

Family
Campanulariidae

Genus
Clytia

Species
delicatula

Taxon category: Accepted

Syn.: Laomedea delicatula (Thornely, 1900), Obelia delicatula Thornely, 1900 (Horton et al., 2021). Note: Clytia delicatula has distinctive tumbler-shaped hydrothecae and ovoid neck amphora gonothecae. It was not previously reported in the Tropical Eastern Pacific and is well represented in Ecuadorian samples (Calder, et al., 2021).

Origin: Introduced - established

Introduction

Mode of introduction: Accidental

Introduced status: Naturalized

Invasive status: Under watch

Distribution

Distribution: Tropical Eastern Pacific and Galapagos Island in San Cristóbal (Calder et al., 2021).

References

  • Calder, D.R. Carlton, J. T., Keith, I., Larson, K., McCann, L., Geller, J., Wheelock, M., Choong, H. H. C., & Ruiz, G. M. (2021) Additions to the hydroids (Cnidaria, hydrozoa) of marine fouling communities on the mainland of ecuador and in the galapagos islands Aquatic Invasions, 16(2), 208–252. https://doi.org/10.3391/ai.2021.16.2.02
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Clytia delicatula", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=19420. Accessed 31 October 2026.