The Pyjama Cardinal ( Sphaeramia nematoptera ) is one of the most popular reef fish in marine aquariums. With its striking , colorful markings and calm, sociable behavior, it brings not only color but also harmony to any aquarium. It is especially popular with beginners and experienced aquarists alike because it is easy to care for, robust, and extremely peaceful perfect for community tanks and reef aquariums .

Features

• Size: Adult animals grow to about 78 cm in length.

• Coloration: The Pyjama Cardinal is a real eye-catcher: Its body displays a silvery-white base color with bright red spots , a dark vertical stripe , and a striking yellowish-green head . This unique pattern gives it its characteristic “pajama” look.

• Behavior: Sphaeramia nematoptera is peaceful, calm, and sociable . It feels particularly comfortable in a group of at least 46 individuals, where it displays fascinating schooling behavior. It prefers to stay in the middle water column and is also very active during the day.

Posture & Care

• Aquarium size: Suitable from 150 liters . A well-structured reef with plenty of hiding places and open swimming areas is ideal.

• Water parameters: Temperature: 2427 C , pH value: 8.08.4 , density: 1.0221.025 .

• Socialization: Very compatible with other peaceful reef fish, shrimp and invertebrates.

• Feeding: The Pyjama Cardinal is an uncomplicated eater and readily accepts frozen food, live food and high-quality granulated or flake food.

Special Features & Benefits

The cardinal tetra is not only visually stunning, but also impresses with its peaceful nature and ease of care. It is ideally suited for community tanks , beginner aquariums , and reef systems of all sizes. Its interesting social behavior, robustness, and longevity make it a true favorite in marine aquariums.

With its colorful appearance, social nature and uncomplicated behavior, Sphaeramia nematoptera is an excellent choice for anyone who wants to add a lively and harmonious touch to their aquarium.