B

Blackline Rasbora

Rasbora borapetensis

VS
O

Oscar

Astronotus ocellatus

Choosing between Blackline Rasbora and Oscar? Both are excellent choices, but they have different care requirements and temperaments. Use the detailed comparison below to make an informed decision based on your experience level, tank size, and community goals.

Blackline Rasbora

Rasbora borapetensis
VS

Oscar

Astronotus ocellatus
These fish may not be compatible - check temperament and water requirements
Common Name
Blackline Rasbora
Oscar
Scientific Name
Rasbora borapetensis
Astronotus ocellatus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
75 gallons
Recommended Tank
30 gallons
125 gallons
Temperature
72°F - 79°F
74°F - 81°F
pH Range
6 - 7.5
6.5 - 7.5
Max Size
2.5 inches
14 inches
Lifespan
4-6 years
10-20 years
Diet
High-quality flake food, Small pellets, Frozen bloodworms, Brine shrimp
Cichlid pellets, Live foods, Frozen foods, Vegetables, Shrimp

Blackline Rasbora

✓ Good For

  • Community tanks
  • Beginners
  • Schooling displays

Oscar

✓ Good For

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