Toucan Tetra (Tucanoichthys Tucano) is a relatively small fish that requires specific conditions to thrive. Here are the ideal temperature and minimum tank size requirements for this species:

1. Temperature: The Toucan Tetra thrives in a tropical environment, so it requires a consistent temperature range of 72°F to 82°F (22°C to 28°C). Keeping the temperature stable within this range is crucial for the health and well-being of the fish.

2. Minimum Size Tank: For a small school of Toucan Tetras, it is recommended to have at least a 10-gallon (38 liters) tank. However, it's essential to remember that a larger tank is always better for maintaining a stable and healthy environment for the fish. A larger tank helps to accommodate the swimming space and reduces territorial disputes among the fish.

The Toucan Tetra is a peaceful, schooling fish that is suitable for community aquariums. Here are some key details about its behavior and care:

• Behavior: Toucan Tetras are peaceful and sociable fish that prefer to be kept in groups of at least 6 to 8 individuals. They are not aggressive and can coexist with other peaceful species in a community tank setting.

• Size: Typically, Toucan Tetras grow to about 1 to 1.5 inches (2.5 to 3.8 centimeters) in length, making them a suitable choice for smaller aquariums and community tanks.

• Water Parameters: It's essential to maintain good water quality for Toucan Tetras. This includes a pH level between 5.0 and 7.0, with a water hardness of 18 dGH.

• Diet: In their natural habitat, Toucan Tetras primarily feed on small insects and zooplankton. In a home aquarium, they can be fed high-quality flake foods, freeze-dried bloodworms, and other small live or frozen foods suitable for small tropical fish.

• Tank Setup: Provide plenty of plants and hiding spots within the tank, as well as open swimming spaces. Live plants, driftwood, and rocks can create a natural environment and help replicate their natural habitat.

• Water Quality Maintenance: Regular water changes and the use of a good filtration system are crucial for maintaining optimal water quality in the tank.

Keeping these factors in mind will help ensure that your Toucan Tetras remain healthy and display their natural behavior in your aquarium.