Overview
The Possum Wrasse (Wetmorella nigropinnata) is a beginner saltwater species known for its brown-red, mottled, white markings coloration. Tiny and shy. Bottom to Mid.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Brown-Red, Mottled, White markings.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 8.0 x 1.4 x 2.4.
Sexual Dimorphism: Strong; sequential hermaphrodite; terminal males more colorful.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Bottom to Mid |
Behavior & Activity
Extremely shy reef skulker; stays hidden in crevices; slow cautious movement between hiding spots; plays dead when scared
Speed: 25/100Aggression: 1/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Ich
Expert Notes
Tiny and shy; very peaceful