Scopelogadus beanii, or Bean's bigscale, is a species of ridgehead fish.[3][4][5] It is named for Tarleton Hoffman Bean.
| Scopelogadus beanii | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Beryciformes |
| Family: | Melamphaidae |
| Genus: | Scopelogadus |
| Species: | S. beanii
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| Binomial name | |
| Scopelogadus beanii (Günther, 1887)
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| Synonyms[2] | |
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Description edit
Bean's bigscale is dark brown or black in colour, with a maximum length of 12.2 cm (4.8 in). It is one of the largest and deepest-dwelling ridgeheads. It has two dorsal spines, one anal spine, 10–11 dorsal soft rays and 7–9 anal soft rays. Its caudal peduncle (the tapered region behind the dorsal and anal fins where the caudal fin attaches to the body) is long.[6] It has ridges of thin bones supporting deep mucous cavities on the head.[7]
Habitat edit
Bean's bigscale is mesopelagic and bathypelagic, living at depths of up to 2,500 m (8,200 ft), and is common in the Atlantic Ocean, Pacific Ocean, Indian Ocean and Tasman Sea.[8]
Behaviour edit
Scopelogadus beanii feeds on amphipods, polychaetes, jellyfish and mysids.[9][10]
References edit
- ^ Harold, Anthony (July 15, 2014). "IUCN Red List of Threatened Species: Scopelogadus beanii". IUCN Red List of Threatened Species.
- ^ "WoRMS - World Register of Marine Species - Scopelogadus beanii (Günther, 1887)". www.marinespecies.org.
- ^ jorden, Carlsbergfondets oceanografiske ekspedition omkring (July 4, 1965). "The Carlsberg Foundation's Oceanographical Expedition Round the World 1928-30 and Previous "Dana"-expeditions, Under the Leadership of the Late Professor Johannes Schmidt: Dana Report. no. 1-". C. A. Reitzels forlag – via Google Books.
- ^ Smith, Margaret M.; Heemstra, Phillip C. (December 6, 2012). Smiths' Sea Fishes. Springer Science & Business Media. ISBN 9783642828584 – via Google Books.
- ^ Nations, Food and Agriculture Organization of the United (August 1, 2020). Identification guide to the mesopelagic fishes of the central and south east Atlantic Ocean. Food & Agriculture Org. ISBN 9789251330944 – via Google Books.
- ^ "Scopelogadus beanii, Bean's bigscale". www.fishbase.se.
- ^ a b "Scopelogadus beanii". fishesofaustralia.net.au.
- ^ Australia, Atlas of Living. "Species: Scopelogadus beanii (Bean's Bigscale)". bie.ala.org.au.
- ^ "Marine Species Identification Portal : Scopelogadus beanii". species-identification.org.
- ^ "WoRMS - World Register of Marine Species - Scopelogadus beanii (Günther, 1887)". www.marinespecies.org.
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