Pajama Cardinal Fish

Approx. Size: 0.5" to 1.5" Pajama Cardinalfish (Sphaeramia nematoptera) The Pajama Cardinalfish is a peaceful, nocturnal reef fish with a quirky and unmistakable appearance. Its body features a greenish-yellow face, a bold red eye, and a midsection marked by a black vertical band, followed by a speckled rear half covered in red-orange polka dots—resembling a pair of colorful pajamas. Calm and easygoing, this species is a favorite for both beginner and experienced aquarists. Tank Requirements Pajama Cardinals do well in tanks of 30 gallons or more, with moderate flow and ample rockwork to provide hiding spots and shaded areas. As schooling fish, they are best kept in small groups (3 or more) to encourage natural social behavior, but ensure adequate space to prevent bickering within the group. They adapt easily to both reef and fish-only systems. Peaceful and Reef-Safe These cardinalfish are completely reef-safe, posing no threat to corals or invertebrates. Their peaceful nature ma