Barred Rainbowfish Care Guide
Chilatherina fasciata · Freshwater Fish

What Barred Rainbowfish look like
Chilatherina fasciata, commonly known as the Barred Rainbowfish, exhibits a fusiform body shape that can reach a maximum adult size of approximately 4-5 inches (10-12 cm). Males are characterized by their vibrant coloration, displaying a striking iridescent yellow-silver body adorned with bold, dark vertical bars, which serve as a key distinguishing feature. In contrast, females exhibit a more subdued coloration, lacking the vividness of their male counterparts. The species possesses two distinct dorsal fins, a feature that differentiates it from other rainbowfish species with a single dorsal fin. Additionally, the Barred Rainbowfish has a well-developed lateral line system, which aids in detecting movement and vibrations in the water, enhancing its ability to navigate its environment. Defensive adaptations include its schooling behavior, which provides safety in numbers, and its ability to swiftly maneuver through the water column, making it difficult for predators to target individual fish.
Behavior & temperament
The Barred Rainbowfish is a social species that typically exhibits a schooling behavior, preferring to dwell in the mid to upper levels of the water column, making it a pelagic inhabitant. This species thrives in groups, which fosters a hierarchical social structure where dominant males display more vibrant colors to attract females during breeding. Breeding behavior is characterized by egg scattering, where females release eggs into the water column, allowing them to be fertilized by males. The species is generally peaceful but can exhibit territoriality during breeding periods, particularly among males competing for the attention of females. Overall, the Barred Rainbowfish is known for its active and engaging temperament, making it a lively addition to community aquariums.
Diet & feeding
In the wild, the Barred Rainbowfish is an omnivore, feeding on a varied diet that includes small invertebrates, algae, and plant matter. In captivity, it requires a balanced diet consisting of high-quality flake foods, live or frozen foods such as brine shrimp and daphnia, as well as vegetable matter to ensure optimal health and coloration.
Behind the name
Chilatherina (from Greek, 'chilos' meaning 'lip' and 'atherina' referring to a type of fish); fasciata (from Latin, meaning 'banded' or 'striped').
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Barred Rainbowfish?
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