Overview
The Eastern Newt (Red-Spotted) (Notophthalmus viridescens) is a intermediate freshwater species known for its green (adult) / red-orange (eft juvenile) coloration. Green adult. Bottom to Mid.
Origin & Appearance
Origin: Eastern North America.
Colors: Green (adult) / Red-Orange (eft juvenile).
Body Shape: Salamander/Newt (elongate amphibian). Typical adult dimensions: 12.0 x 1.8 x 1.8.
Sexual Dimorphism: Subtle; males have swollen cloaca during breeding.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 50–72°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | mostly |
| Aquarium Position | Bottom to Mid |
Behavior & Activity
Slow swimmer and walker; red-spotted adult swims slowly; bright red eft stage lives on land; deliberate movement
Speed: 20/100Aggression: 2/10nocturnalSchooling (3+)
Breeding
Moderate; egg layer on plants
Common Diseases
💊 Chytrid fungus💊 bacterial💊 red-leg
Expert Notes
Green adult; red eft juvenile phase