The Lemon Oscar (Astronotus ocellatus) is a popular freshwater fish known for its bright yellow coloration. Here are some details about the Lemon Oscar, particularly at the 5-6 cm size:

Description

• Scientific Name: Astronotus ocellatus
• Common Name: Lemon Oscar
• Size: 5-6 cm (juvenile stage)
• Coloration: Bright yellow with possible darker markings as they grow
• Origin: South America, primarily found in the Amazon River basin

Care Requirements

• Tank Size: Minimum of 55 gallons for juveniles; adults require larger tanks (75+ gallons)
• Water Temperature: 22-28°C (72-82°F)
• pH Level: 6.0-7.5
• Diet: Omnivorous - accepts pellets, flakes, live, and frozen foods
• Compatibility: Can be territorial and aggressive; best kept with other large, robust fish

Special Considerations

• Filtration: Requires strong filtration due to high waste production
• Tank Setup: Provide hiding places and open swimming areas; use durable plants or artificial decorations as Oscars may uproot live plants
• Behavior: Intelligent and can recognize their owners; may rearrange tank decorations