Galapagos Species Database

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

Evasterias troschelii (Stimpson, 1862)

Troschel's sea star

Radius to 20 cm

Habitat: On rocky substrates down to 70 meters

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Echinodermata

Class
Asteroidea

Order
Forcipulatida

Family
Asteriidae

Genus
Evasterias

Species
troschelii

Taxon category: Accepted

Syn.: Asterias acanthostoma Verrill, 1909, Asterias brachiata Perrier, 1875, Asterias epichlora Brandt, 1835, Asterias saanichensis deLoriol, 1897, Asterias troschelii Stimpson, 1862, Asterias victoriana Verrill, 1909, Evasterias acanthostoma (Verrill, 1909), Evasterias alveolata Verrill, 1914, Evasterias troschelii var. alveolata Verrill, 1914, Leptasterias epichlora (Brandt, 1835), Leptasterias inaequalis Verrill, 1914, Leptasterias macouni Verrill, 1914, fide Horton et al. (2021)

Origin: Native

Distribution

Distribution: Alaska to California, Galapagos

References

  • Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
  • Constant, P. (2007) Marine Life of the Galapagos. The Diver's guide to Fishes, Whales, Dolphins and marine Invertebrates, 307 pp.
  • Sonnenholzner, J. Brand, M., Francisco, V., Hearn, A., Luzuriaga, M., Guarderas, P & Navarro, J. (2013) Echinoderms of Ecuador. In: Alvarado, J & Solís-Marín, A. (eds.) (2013) Echinoderm research and Diversity in Latin America. 183-233 pp.
  • 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, Evasterias troschelii", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=15536. Accessed 30 June 2025.