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Bothrocara brunneum

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Osteichthyes
Classis: Actinopterygii
Subclassis: Neopterygii
Infraclassis: Teleostei
Superordo: Acanthopterygii
Ordo: Perciformes
Subordo: Zoarcoidei
Familia: Zoarcidae
Genus: Bothrocara
Species: B. brunneum

The Twoline Eelpout, Bothrocara brunneum, is a benthic[2] species of fish of the Zoarcidae family. The species is the only fish of the eelpouts to have two lateral lines and short blunt-ended gill rakers.[3] The species is found between the Bering Sea to the shores of San Francisco,[4] and also Baja California, Mexico and Attu Island.[5]

It inhabits the bottom of seas or oceans and is generally found in a depth ranging between 2,000 feet (610 m) and 6,000 feet (1,829 m).[4] It has been hypothesized from an analysis of stomach content that the species feeds mainly on bottom-dwelling creatures.[4] Etymologically, Bothrocara stands for "cavity head" and brunneum for "brown", named respectively after the appearance of the head and the tinted brown colour of the body.[6] It was named "twoline eelpout" for its unique two lateral lines.


The Twoline Eelpout has been found to have two lateral lines, the only one of its family, and also has a small blunt-ended gill raker.[3] Its dorsal and anal fins are covered in a gelatinous tissue.[5] Twoline eelpouts are bathydemersal (below 650 feet),[5] and can generally be found at a depth between 2,000 feet (610 m) and 6,000 feet (1,829 m).[4] They generally average approximately 1327 eggs per batch.[7]

Feeding habits

It has been hypothesized that, judging by an analysis of stomach content, the species feeds primarily on bottom-dwelling creatures, habitually eating anything it comes across that has food value and that is small enough to ingest.[4] As predators, they are capable of being a specialist species.[8]


^ Contribution from the Scripps Institution of Oceanography. 1979. pp. 795.
^ Pacific science. 2007. pp. 137.
^ a b E. Fitch, John (1968). pp. 77.
^ a b c d e E. Fitch, John (1968). pp. 78.
^ a b c "Bothrocara brunneum (Bean, 1890)". FishBase. October 6, 2010. Retrieved August 14, 2011.
^ E. Fitch, John (1968). pp. 79.
^ Aquatic Sciences and Fisheries Abstracts: Biological Sciences and Living Resources. 2001. pp. 222.
^ J. Kotta (2004). pp. 301.


E. Fitch, John (1968). Deep-Water Teleostean Fishes of California. University of California Press.
J. Kotta (2004). Proceedings of the Estonian Academy of Sciences, Biology and Ecology. Estonian Academy of Sciences. ISBN 1736-7549.
Aquatic Sciences and Fisheries Abstracts: Biological Sciences and Living Resources. University of Michigan. 2001.
Contribution from the Scripps Institution of Oceanography. Scripps Institution of Oceanography. 1979. ISBN 0080-8326.
Pacific science. University of California. 2007.

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License