Overview
The Walking Catfish (Clarias batrachus) is a advanced freshwater species known for its dark gray-brown coloration. Can breathe air. Bottom.
Origin & Appearance
Origin: Southeast Asia.
Colors: Dark Gray-Brown.
Body Shape: Elongate (long/slender). Typical adult dimensions: 47.0 x 5.6 x 7.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 68–82°F |
| pH Range | 6–8 |
| Water Hardness (GH) | 5-20 |
| Bioload | high |
| Oxygen Demand | medium |
| Plant Safe | no |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom crawler; can actually walk on land using pectoral fins; wriggles across surfaces; nocturnal terrestrial excursions
Speed: 25/100Aggression: 5/10nocturnal
Breeding
Moderate; nest builder
Common Diseases
💊 Very hardy💊 invasive species in wild
Expert Notes
Can breathe air; invasive in Florida