Spike-Tailed Paradise Fish
Pseudosphromenus cupanus
Also known as: Cupanus, Brown Spike-Tailed Paradise Fish
Small, peaceful labyrinth fish from India and Sri Lanka with a distinctive spike-like extension on the tail fin. Subtle brown coloring with iridescent highlights. Underrated community fish.
Tank Size
10 gal
minimum (20+ preferred)
Temperature
68–82°F
20–28°C
pH Range
6–7.5
water acidity
Max Size
2.5"
6.3 cm
Lifespan
4–6 years
typical in captivity
Swim Level
Middle
preferred zone
Care Notes
Very peaceful and hardy — excellent community fish. Much less aggressive than the common paradise fish. Tolerates a wide range of temperatures. Bubblenester.
Feeding
Flakes, micro pellets, frozen bloodworms, and brine shrimp. Not a picky eater.
Compatible Tank Mates
Use Caution With
Incompatible With
Check Compatibility
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