The **Threadfin Cardinalfish** is an excellent choice for a small addition to your aquarium. This petite cardinal thrives in larger groups within reef tanks.
Reaching a maximum size of 2 inches, the **Threadfin Cardinalfish** can comfortably live in aquariums as small as 10 gallons. In larger tanks, they can be kept in sizable groups with minimal aggression. It's important to provide ample rock structures in tanks with semi-aggressive or aggressive tank mates, offering hiding spots for the **Threadfin Cardinalfish** if they feel threatened.
With a mostly transparent body accented by blue and yellow markings, the **Threadfin Cardinalfish** is also known for its prominent black eye. They are known to seek refuge in grasses and among urchins to avoid predators.
As a carnivore, the **Threadfin Cardinalfish** requires a diet rich in meaty foods. Feeding them mysis and brine shrimp, along with pellets and flake foods, will help them thrive in a well-maintained tank environment.
Size Categories: Tiny: Up to 0.75", Small: 0.75-1", Small/Medium: 1-1.25", Medium: 1.25-1.5", Medium/Large: 1.5-1.75", Large: 1.75-2.25", Extra Large: 2.25-3", Extra Extra Large: Over 3"
APPROX SIZE IS 1-2 INCH