Pajama Cardinalfish (Sphaeramia nematoptera)
Family: Apogonidae (Cardinalfish)
Natural Range: Indo-Pacific Region
Depth: 3 to 33 ft. Size: 3 in. Jumps: No Space: 20+ gal.
Reef Safe: Yes Care Level: Easy Temperament: Peaceful
Diet: Zooplankton, benthic invertebrates
Natural History: The Pajama Cardinalfish is normally found in pairs or groups among branching stony corals in bays and lagoons. Adults are observed to form shoals while juveniles are found singly. Adults disperse at night to feed on benthic invertebrates. Males may often have a longer filament on their second dorsal fin.
Husbandry: The Pajama Cardinalfish is a very hardy aquarium species and will often survive diseases that kill tankmates. It will accept a wide variety of aquarium foods. It is likely best if kept in small groups that will establish a pecking order without excessive aggression. It should not be housed with aggressive species.
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