Species

Wallago leeri

Wallago leeri

advancedpredatorymiddle swimmerSiluridae
Add to my tank
Wallago leeri
Tank length
540 cmabout 18 ft (213 in)
Start with
1
Temperature
19–29 °C66–84 °F
pH
6–7.6
Adult size
90 cm35 in
Lifespan
10–20 yrs

Grows past a metre with an enormous mouth; not a home aquarium fish except for those with a very large dedicated system.Grows past a metre with an enormous mouth; not a home aquarium fish except for those with a very large dedicated system.

Tank sizes

Good tankmates

Avoid with

Data used by the planner
Temperature19–29AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence
pH6–7.6AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence
Hardness (dGH)1–15AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence
OriginMalay Peninsula, Sumatra and Borneocurated-v0 (needs expert review) · low confidence
Beginner friendlyNocurated-v0 (needs expert review) · medium confidence
Care leveladvancedcurated-v0 (needs expert review) · medium confidence
Activityactivecurated-v0 (needs expert review) · medium confidence
Swimming levelmiddlecurated-v0 (needs expert review) · medium confidence
Temperamentpredatorycurated-v0 (needs expert review) · medium confidence
Nips finsNocurated-v0 (needs expert review) · medium confidence
Long finsNocurated-v0 (needs expert review) · medium confidence
TerritorialNocurated-v0 (needs expert review) · medium confidence
Lives in groupsNocurated-v0 (needs expert review) · medium confidence
Minimum group1curated-v0 (needs expert review) · medium confidence
Dietcarnivorecurated-v0 (needs expert review) · medium confidence
Lifespan (years)10–20curated-v0 (needs expert review) · low confidence
Months to adult size36curated-v0 (needs expert review) · low confidence
Safe with plantsYescurated-v0 (needs expert review) · medium confidence
Minimum tank length450curated-v0 (needs expert review) · medium confidence