Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Achelous angustus
cangrejo nadador angosto, Narrow swimming crab
Caparace width to 35 mm.
Origin and Affin. Atlantic. Sublittoral from shore line to 100 m.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Malacostraca
Order
Decapoda
Suborder
Pleocyemata
Superfamily
Portunoidea
Family
Portunidae
Genus
Achelous
Species
angustus
Taxon category: Accepted
Syn.: Portunus (Achelous) angustus Rathbun, 1898; Syn.: Portunus (Achelous) angustus Rathbun, 1898 (Horton et al., 2021).
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Hancock expeditions collected by dredging, Ecuador (Galapagos Islands)
- 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.) (2013) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
- Garth, J.S. (1991) Taxonomy, Distribution, and Ecology of Galápagos. Brachyura. In: James, M.J. (ed.): Galápagos Marine Invertebrates. Taxonomy, Biogeography, and Evolution in Darwin's Islands. Plenum Press. New York and London, p. 123-155.
- Hickman, C.P. Jr. Zimmerman, T.L. (2000) A Field Guide to Crustaceans of Galápagos. Sugar Spring Press, Lexington, Virginia, 156 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.
- IUCN (2010) IUCN Red List of Threatened Species www.iucnredlist.org
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, Achelous angustus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=17961. Accessed 1 November 2026.