Overview
The Mudpuppy (Necturus maculosus) is a intermediate freshwater species known for its brown-gray, dark spots, red external gills coloration. Permanent gills. Bottom.
Origin & Appearance
Origin: North America.
Colors: Brown-Gray, Dark spots, Red external gills.
Body Shape: Salamander/Newt (elongate amphibian). Typical adult dimensions: 33.0 x 5.0 x 5.0.
Sexual Dimorphism: Subtle; males have swollen cloaca during breeding.
Tank & Water Requirements
| Min Tank Size | 53 gallons |
| Temperature | 50–64°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | mostly |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom walker-swimmer; uses four legs to walk on substrate; tail undulation for swimming; permanent external gills wave in current
Speed: 22/100Aggression: 2/10nocturnalSchooling (3+)
Breeding
Moderate; egg layer on plants
Common Diseases
💊 Chytrid fungus💊 bacterial💊 red-leg
Expert Notes
Permanent gills; fully aquatic; cold water