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Lake Biwa catfish (Silurus lithophilus) — Siluridae

Lake Biwa catfish

Silurus lithophilus
Family: Siluridae

The Lake Biwa catfish (Silurus lithophilus) is a freshwater fish of the family Siluridae that grows up to 58 cm.

Length
58 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless

Description

The Lake Biwa catfish is a scaleless catfish (Siluridae) endemic to Lake Biwa in Japan. The species grows to about 58 cm and has an elongate body with a broad, flattened head, a long anal fin and two pairs of barbels. As a nocturnal predator it lives among rocks and on stony bottoms of the lake and hunts fish, crustaceans and invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Lake Biwa catfish?

The Lake Biwa catfish has an elongate, eel-like body and is mainly brown.

Where does the Lake Biwa catfish live?

The Lake Biwa catfish lives in fresh water and is mostly found around sand or mud bottom.

How big does the Lake Biwa catfish get?

The Lake Biwa catfish grows to a maximum of about 58 cm. On average the species is around 21 cm.

Is the Lake Biwa catfish dangerous to humans?

No, the Lake Biwa catfish is harmless to humans.

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All data

Identification

Dutch name
Steen-meerval sourced
English name
Lake Biwa catfish sourced
Scientific name
Silurus lithophilus
Family
Siluridae

Appearance

Size class
Large verified
Max length (cm)
58.0 verified
Average length (cm)
21.2 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Silurus

More from the family Siluridae

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