Product Description
The Pyjama Cardinalfish (Sphaeramia nematoptera) is a striking and peaceful marine fish recognised for its distinctive “pyjama-like” pattern of orange spots on a silvery-white body with bold black markings. Its unique appearance and calm nature make it a standout addition to reef and fish-only marine aquariums.
Naturally a schooling species, Pyjama Cardinalfish are best kept in small groups where they display fascinating social behaviour, often hovering together among live rock or branching structures. They are hardy once established and adapt well to captive conditions.
Care Guide
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Scientific Name: Sphaeramia nematoptera
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Common Name: Pyjama Cardinalfish
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Care Level: Easy to Moderate
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Temperament: Peaceful / Schooling
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Diet: Carnivore (mysis shrimp, brine shrimp, copepods, finely chopped seafood, high-quality frozen marine foods)
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Reef Safe: Yes
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Minimum Tank Size: 100 litres (larger for groups)
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Water Temperature: 24–27°C
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pH: 8.1–8.4
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Salinity: 1.023–1.026 SG
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Maximum Size: Up to 8cm
Feeding
Feed 1–2 times daily with a varied diet including frozen mysis shrimp, enriched brine shrimp, copepods, and finely chopped seafood. They may initially be shy feeders but adapt well over time.
Aquarium Setup
Provide a calm aquarium with plenty of live rock, caves, and shaded areas. Moderate water flow and stable conditions help reduce stress. Keep in small groups for natural behaviour and confidence.
Compatibility
Suitable with:
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Clownfish
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Gobies
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Blennies
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Wrasses
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Tangs
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Anthias
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Other peaceful reef fish
Avoid housing with:
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Aggressive or boisterous tankmates
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Large predatory fish
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Fast feeders that may outcompete them
The Pyjama Cardinalfish is a charming and peaceful marine species that adds personality, pattern, and gentle movement to reef aquariums, making it a popular choice for community marine setups.
