Spotted Blue-eye
Melanotaeniidae sp.
Spotted Blue-eye (Melanotaeniidae sp.) — Varies care, Peaceful, under Other. Minimum tank in the app: 17.2 US gal min; aim for 70–82°F and pH 6.5–7.5. The Spotted Blue-eye is an engaging choice for aquarists who appreciate dynamic mid-water swimmers with a hint of personality.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Australia
- Australia & Oceania
Regional colours match the stocking calculator’s origin map.
Spotted Blue-eye Tank Setup
Aim for a tank with a minimum of 65 liters, incorporating both open swimming areas and plenty of hiding spots. Use fine substrates to mimic natural environments, and consider moderate lighting to enhance their coloration. Flow should be gentle to facilitate comfortable movement without causing stress.
What Do Spotted Blue-eyes Eat?
These fish are opportunistic feeders with a moderate feeding speed, so be cautious of competition from faster or more assertive species. A varied diet will promote optimal health and vibrancy, but ensure all food particles are consumed to avoid waste buildup.
Spotted Blue-eye Tank Mates
Ideal companions include similarly sized, non-aggressive species that occupy different swimming zones, such as certain tetras or rasboras. Be cautious with overly boisterous or larger fish that might intimidate the Spotted Blue-eye. While they are not shoaling fish, providing a small group can help reduce individual stress levels.
Are Spotted Blue-eyes Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the importance of tank structure, leading to increased stress and aggression. overstocking can result in territorial disputes and competition for resources, which can compromise the health of all tank inhabitants.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




