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October 24: Arrival of New Fresh Water Fish.

October 24: Arrival of New Marine Water Fish.


Included colors

Pajama Cardinalfish

Pajama Cardinalfish

Scientific Name: Sphaeramia nematoptera

Price: Upon Request

Origin: Indian Ocean

Family: Apogonidae (Cardinalfishes)




Technical Info

Temperature: 22 - 26 ℃

pH: 8.1 - 8.4

GH: 8 - 12

SG: 1.020 - 1.025

Max size: 8.5 cm

Min Tank size: 120 Ltr

Position in Aqua: Bottom swimmer



The Pajama Cardinal has two distinctive dorsal fins, typical of cardinalfish. The name “cardinal” refers to the fact that many of this species are red, although yellow and silver are probably more predominate colors. The Pajama Cardinal has a green / yellow face and a dark band running from the first dorsal fin to the pectoral fin. The back half of the body is silver, with red/orange dots, giving it the appearance of polka-dot pajamas. The fins at the back half of the body are fringed in white. Pajama Cardinals are nocturnal and therefore have very large eyes.



Sphaeramia nematoptera (Pajama cardinalfish) eats mianly mobile invertebrates, small fishes, zoobenthos and benth crustaceans in the wild. Small fishes, shrimps and other fresh and frozen meaty foods is a suitable aquarium diet. You can train a Pajama cardinalfish to accept frozen processed foods. Avoid dry prepared foods, such as pellets and flakes.



The Pajama cardinalfish can be breed in aquariums and are relatively easy to breed. Once a Pajama cardinalfish pair have started breading they will breed regularly and often. The species is a mouth brooder and the male carries the eggs. The Pajama cardinalfish pair will be very aggressive during the spawning period. The male will protect the female until he takes the eggs in his mouth, after that the female will protect the male and chase away other fish. The male carries the eggs and fry in his mouth for about 3-4 weeks. He doesn't eat during this period.


Compatible with

The Pajama cardinalfish is a friendly species that can be kept in a community aquarium with other peaceful tropical marine fish species. They should never be kept with large or aggressive species. Can be kept with fish like Cardinalfish, Blennies, Clowns, Damsels, Small Angels, Gobies, Hawkfish and Tangs



The Pajama cardinalfish is a very hardy fish and one of the best choices for a beginner who wants to start keeping tropical marine fish. They are very forgiving and can tolerate less than perfect conditions and might even spawn in the aquarium even if you aren't an expert. The Pajama cardinalfish is also cheap and readily available in most stores selling marine fish, including online stores. All this adds up to making it a perfect beginner fish.