Brittans Rasbora Care Guide

Kottelatia brittan · Freshwater Fish

Brittans Rasbora
AI-generated illustration of Brittans Rasbora
Temperature
72-82°F
pH
6.0-7.5
Adult size
~2″ (5 cm)
Suggested tank
20+ gal
Group size
6+ together

What Brittans Rasbora look like

Kottelatia brittan, commonly known as Brittans Rasbora, exhibits a slender, laterally compressed body, reaching a maximum adult size of approximately 2 inches (5 cm). The species is characterized by a striking golden-silver coloration adorned with a prominent dark metallic horizontal stripe that runs from the head to the caudal fin, providing a stark contrast against its lighter body. Sexual dimorphism is subtle, with males typically displaying more vibrant coloration and slightly elongated dorsal fins compared to females. Defensive adaptations include a streamlined body shape that allows for quick evasive maneuvers in the water column, as well as a tendency to school in tight groups, which enhances safety from predators. The species lacks significant defensive structures but compensates with its agility and schooling behavior. Notably, the Brittans Rasbora possesses a well-defined lateral line, which aids in detecting water movements and navigating its environment.

Behavior & temperament

Brittans Rasbora is a social fish that thrives in schools, exhibiting a strong tendency to remain in groups for both safety and social interaction. It primarily inhabits the mid to upper water column, where it actively swims and forages. This species is known for its peaceful temperament, making it an ideal candidate for community tanks. Breeding behavior is characterized by egg scattering, where females release eggs among plants or substrate, and males fertilize them externally. The species does not exhibit territorial aggression, but males may display competitive behaviors during breeding rituals. Overall, the Brittans Rasbora is a calm and sociable fish, often seen darting playfully within the tank environment.

Diet & feeding

In the wild, Kottelatia brittan is an omnivore, feeding on a varied diet that includes small invertebrates, algae, and plant matter. In captivity, it thrives on a balanced diet of high-quality flake food, supplemented with live or frozen foods such as daphnia and brine shrimp to ensure optimal health and coloration.

Behind the name

Kottelatia (derived from the name of the genus, likely honoring a person or locality); brittan (named in honor of a person, possibly a researcher or contributor to ichthyology).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Brittans Rasbora?

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