Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Quassiremus evionthas
Anguila de Galápagos, anguila de aleta chica, Smallfin snake eel, Galápagos snake eel
Size: 20-37 cm, White, occasionally with some grayish tinting. Golden eye with dark pupil. Tubular nostrils and small pectoral fins.
Habitat: Sand flats and rocky areas mixed with boulders, gravel rubble and sand.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Anguilliformes
Suborder
Congroidei
Family
Ophichthidae
Genus
Quassiremus
Species
evionthas
Taxon category: Accepted
Syn.: Opichthus evionthas Jordan & Bollman, 1890, fide Appeltans et al. (2010); McCosker & Rosenblatt (2010) consider Leptocephalus alternatus Fowler 1938: 21 (from Tagus Cove, with 152 myomeres) to be a junior synonym of Quassiremus evionthas, which has 149-153 vertebrae.
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Cocos and Galapagos Islands
- Grove, J.S. Lavenberg, R.J. (1997) The Fishes of the Galapagos Islands. Stanford University Press, Stanford California. 862 pp.
- Humann, P. Deloach, N. (2003) Reef Fish Identification - Galapagos. New World Publication, Inc. Florida USA & Libri Mundi, Quito, Ecuador, 226 pp.
- 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.
- IUCN (2010) IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 26 April 2010.
- McCosker, J.E. Rosenblatt, R.H. (2010) The fishes of the Galápagos Archipelago: an update. Proc. Calif. Acad. Sc., Ser. 4, vol. 61, Suppl. II, no. 11: 167-195.
- Edgar, G.J. Fariña, J.M., Calvopiña, M., Martínez, C. & Banks, S. (2002) Comunidades submareales rocosas II: Peces y macroinvertebrados móviles. In: Danulat, E. & Edgar, G.J. (eds.) (2002): Reserva Marina de Galápagos. Línea Base de la Biodiversidad. Fundación Charles Darwin/Servicio Parque Nacional Galápagos, Santa Cruz, Galápagos, Ecuador, p. 68-97.
- IUCN (2023) The IUCN Red List of Threatened Species. Version 2023-1. Https://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, Quassiremus evionthas", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7632. Accessed 29 May 2025.