Astroscopus, the electric stargazers, is a genus of stargazers, a type of percomorph fish from the family Uranoscopidae, part of the order Trachiniformes.[3] The species in this genus are anatomically distinct uranoscopids, being characterized by internal nares and being the only group of marine bony fish having organs which produce electricity which are derived from the extraocular muscles. They are found on the Atlantic and Pacific coasts of the Americas.[4]
Astroscopus | |
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Northern stargazer (A. guttatus) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Trachiniformes |
Family: | Uranoscopidae |
Genus: | Astroscopus Brevoort, 1860[1] |
Type species | |
Uranoscopus anoplos[2] Valenciennes, 1832
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Synonyms | |
Species
editThere are four extant and one extinct species included in Astroscopus:[5]
- Astroscopus guttatus Abbott, 1860 - Northern stargazer
- Astroscopus sexspinosus (Steindachner, 1876) - Brazillian Stargazer
- Astroscopus y-graecum, (Cuvier, 1829) - Southern stargazer
- Astroscopus zephyreus Gilbert & Starks in Gilbert, 1897
- †Astroscopus countermani Carnevale, Godfrey & Pietsch, 2011 Extinct species described from the Tortonian deposits of Calvert Cliffs, Maryland.[4]
References
edit- ^ Bailly N, ed. (2014). "Astroscopus Brevoort, 1860". FishBase. World Register of Marine Species. Retrieved 21 June 2018.
- ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Astroscopus". Catalog of Fishes. California Academy of Sciences. Retrieved 20 June 2018.
- ^ Nelson, JS; Grande, TC & Wilson, MVH (2016). "Classification of fishes from Fishes of the World 5th Edition" (PDF). Archived from the original (PDF) on 13 March 2020. Retrieved 10 June 2018.
- ^ a b Carnevale, Godfrey; Pietsch (2011). "Stargazer (Teleostei, Uranoscopidae) Cranial Remains from the Miocene Calvert Cliffs, Maryland, U.S.A. (St. Marys Formation, Chesapeake Group)". Journal of Vertebrate Paleontology. 31 (6): 1200–1209. doi:10.1080/02724634.2011.606856.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Astroscopus". FishBase. February 2018 version.