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Silurus lithophilus (Tomoda, 1961)

 

Image contributors to this species:

Nakamura, M; Keys to the Freshwater Fishes of Japan Fully Illustrated in Colors (2)

ScotCat Sources:

Etymology = Genus

Other Sources:

Search  FishBase  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2   iNaturalist  IUCN

Relevant Information:

One of three species of Silurus that are in Japan. The rock catfish, S.lithophilus, the Biwi catfish, S. biwaensis and the far eastern catfish S. asotus. Habitat: This species primarily occurs in lakes but is also found in rivers (Ministry of the Environment Government of Japan 2015). Remarks: The extent of occurrence (EOO) for this species is 1,239 km2, it is known from six locations (based on the number of spawning grounds) and there is continuing decline in the extent and quality of the spawning habitat due to road construction and construction of embankments for flood control. The population size is in decline due to overharvesting. There has been a decline in catches in recent years and it is considered to be overfished (Ministry of the Environment Government of Japan 2015). This species therefore qualifies for listing as Vulnerable (IUCN 2017).

Common Name:

Rock Catfish

Synonyms:

Parasilurus lithophilus

Family:

Siluridae

Distribution:

Asia: Lake Biwa and Lake Yogo, Japan. Type locality: Near Onoé, Lake Biwa-ko, Japan.

Size:

50.0cm. (20ins)

Temp:

10-20°C (47-67°F)

p.H.

6.0-8.0.

Reference:

Eschmeyer, W.N., Fricke, R. and Van der Laan, R. (eds). 2017. Catalog of Fishes: genera, species, references. Updated 03 January 2017.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Hasegawa, K., Kanao, S. & Mukai, T. 2019. Silurus lithophilus. The IUCN Red List of Threatened Species 2019.
Nakamura, M; Keys to the Freshwater Fishes of Japan Fully Illustrated in Colors. Hokuryukan, 1963.



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Family: Siluridae  Back to Ident-A-Cat  Click on Thumbnails

Click for full image Silurus lithophilus
Click for full imageSilurus lithophilus
Head view

 

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