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Silurus biwaensis  (Tomoda, 1961)

Eurasian catfish

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Siluridae (Sheatfishes)
Etymology: Silurus: Greek, silouros = a cat fish + Greek, odous = teeth (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal.   Temperate

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 118 cm TL male/unsexed; (Ref. 40637); max. published weight: 17.2 kg (Ref. 40637)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Endemic to Lake Biwa, Japan.

Biology     Glossary (e.g. epibenthic)

Largest species among the Japanese silurid fishes (Ref. 37518).

Main reference Upload your references | References | Coordinator | Collaborators

Kobayakawa, M., 1989. Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Jap. J. Ichthyol. 36(2):155-186.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  4.2   ±0.8 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  High to very high vulnerability (73 of 100) .
Price category (Ref. 80766):   Unknown.