| Feature | Spotted Blue-Eye (Pseudomugil gertrudae) | Forktail Blue-Eye / Furcata (Pseudomugil furcatus) |
|---|---|---|
| Size | Up to 2.5 cm (1 to 1.5 inches) | Up to 6 cm (approx. 2 inches) |
| Appearance | Silvery-white/translucent with black spots/lines on fins and body | Silvery-blue body, bright yellow fins with forked tails, and electric blue eyes |
| Native Region | Indonesia, Papua New Guinea, and northern Australia | Eastern Papua New Guinea (lowland rainforest streams) |
| Water Temp | 20°C – 29°C (68°F – 84°F) | 24°C – 28°C (75°F – 82°F) |
| Water pH | 6.5 – 7.5 | 7.0 – 8.0 |
| Tank Size | 10 gallons or larger | 20 gallons or larger (minimum group of 8–10) |
The term spotted furcata typically combines two different popular aquarium fish names: the Spotted Blue-Eye (Pseudomugil gertrudae) and the Forktail Blue-Eye / Furcata Rainbowfish (Pseudomugil furcatus).
“斑点福卡塔”（spotted furcata）这一术语通常结合了两种在观赏鱼界广受欢迎的鱼类的名称：斑点蓝眼（学名：*Pseudomugil gertrudae*）和叉尾蓝眼（又称“福卡塔彩虹鱼”，学名：*Pseudomugil furcatus*）。
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