"Yellow Fin Chalceus"
Chalceus erythrurus

Description

Chalceus erythrurus, commonly known as the “Yellow Fin Chalceus,” is a predatory and active freshwater fish species found in South America. Here’s a summarized care sheet for Chalceus erythrurus, including its maximum size:

Max Size:
– The maximum size for Chalceus erythrurus (Yellow Fin Chalceus) is around 16 inches (40 centimeters) in length.

General Care:
– Yellow Fin Chalceus requires a spacious and well-maintained aquarium due to its large size and active swimming behavior.
– They are a schooling fish, so it’s best to keep them in groups of at least 6 individuals to reduce stress and encourage natural behavior.

Tank Requirements:
– Tank size: A large aquarium of at least 100 gallons is recommended for a small group of Yellow Fin Chalceus.
– Filtration: Use a powerful and efficient filter to maintain water quality and provide adequate circulation.
– Water parameters: Temperature 72-82°F (22-28°C), pH 6.0-7.5, hardness 2-15 dGH.
– Substrate: Use sand or fine gravel as the substrate.

Feeding:
– Yellow Fin Chalceus are carnivorous and primarily eat small fish and insects in the wild.
– Offer a varied diet that includes high-quality pellets, live or frozen foods like fish or shrimp and insect larvae.

Tankmates:
– Due to their predatory nature, avoid keeping them with smaller fish that may be seen as potential prey.
– They can be aggressive towards smaller tankmates and may compete for food with larger, aggressive species.

Decor and Environment:
– Provide ample swimming space and open areas for the Yellow Fin Chalceus to move around comfortably.
– Use driftwood and rocks to create hiding spots and break the line of sight between fish.
– Plants can be included, but robust ones are preferred, as they may disturb or uproot delicate plants.

Water Maintenance:
– Regular water changes (20-25% weekly) are essential to maintain water quality and remove waste.
– Monitor water parameters frequently to ensure they are within the recommended range.

Behavior:
– Yellow Fin Chalceus are active swimmers and prefer a current in the tank that mimics their natural riverine habitat.

Healthcare:
– Quarantine new fish before introducing them to the main tank to prevent disease transmission.
– Observe for any signs of illness or stress and address issues promptly.

Observation and Enjoyment:
– Spend time observing and enjoying the vibrant colors and active behavior of Yellow Fin Chalceus.
– Create a stimulating environment with appropriate tankmates and hiding spots to reduce stress.

By providing the appropriate tank size and meeting the specific care requirements, you can create a suitable and healthy environment for Yellow Fin Chalceus, ensuring they thrive and display their best behavior in captivity.

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