M
Molly
Poecilia sphenops
VS
R
Redtail Catfish
Phractocephalus hemioliopterus
Choosing between Molly and Redtail Catfish? 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.
Molly
Poecilia sphenopsVS
Redtail Catfish
Phractocephalus hemioliopterusCommon Name
Molly
Redtail Catfish
Scientific Name
Poecilia sphenops
Phractocephalus hemioliopterus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Advanced
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
300 gallons
Recommended Tank
30 gallons
1000 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
7.5 - 8.5
6 - 7.5
Max Size
4.5 inches
48 inches
Lifespan
3-5 years
15-20 years
Diet
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Fish, Shrimp, Worms, Pellets, Chicken, Beef
Molly
✓ Good For
- Community tanks
- Beginners
Redtail Catfish
✓ Good For
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