B

Bristlenose Pleco

Ancistrus cirrhosus

VS
G

Guppy

Poecilia reticulata

Choosing between Bristlenose Pleco and Guppy? 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.

Bristlenose Pleco

Ancistrus cirrhosus
VS

Guppy

Poecilia reticulata
These fish can typically coexist peacefully
Common Name
Bristlenose Pleco
Guppy
Scientific Name
Ancistrus cirrhosus
Poecilia reticulata
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
5 gallons
Recommended Tank
30 gallons
10 gallons
Temperature
72°F - 80°F
72°F - 82°F
pH Range
6.5 - 7.5
6.8 - 7.8
Max Size
5 inches
2.5 inches
Lifespan
5-12 years
1-3 years
Diet
Algae wafers, Vegetables: zucchini, cucumber, sweet potato, Driftwood (essential for digestion), Biofilm and algae, Occasional protein: bloodworms
Flakes, Pellets, Frozen foods, Vegetables

Bristlenose Pleco

✓ Good For

  • Community tanks
  • Beginners

Guppy

✓ Good For

  • Community tanks
  • Beginners
  • Small tanks
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