Banggai Cardinalfish (Pterapogon kauderni)By Christopher / February 15, 2025 Size: 3 inches Tank Size: Minimum 30 gallons Temperament: Peaceful Water Parameters: 74–80°F, pH 8.1–8.4 Diet: Carnivore (Frozen mysis shrimp, brine shrimp, small crustaceans) Care Notes: Prefers peaceful tankmates; best kept in small groups.