SPHAERAMIA NEMATOPTERA - PYJAMA CARDINALFISH Example image
 The Sphaeramia nematoptera is a small representative of the cardinalfish, which grows to a maximum of 8.5 cm and can be kept in small aquariums of 200 liters or more. Overall, it is a very easy-care and robust fish that will eat any kind of food . It likes to stay between stony corals , which should be present in the tank. It is best kept in pairs or groups . The pajama cardinalfish is also ideal for beginners!