A beginner-friendly fish guide

Common Bristlenose Pleco

Common Bristlenose Pleco

Ancistrus sp. '3'

Moderate temperament; social needs depend on the species and setup. Check the planner before choosing tank mates.

Beginner level 4/5

A good environment

Recommended temperature
22 ~ 25°C
Recommended pH
6.0 ~ 7.3
Preferred water hardness
Medium hardness
Minimum aquarium
76L or more

Reference sources list a wider range of 21~26°C and pH 5.5~7.5. The planner uses the narrower range above as a safer starting point for beginners.

At a glance

Group
Plecos
Average adult size
about 12.5 cm (medium)
Minimum tank length
about 60 cm
Activity level
Low
Waste level
High
Lid recommended
Not required
Mature tank preferred
Not required

Temperament & group size

Moderate temperament; Social needs depend on the species and setup.

Usually swims in the bottom.

Tank-mate notes

Adult shrimp may do well with hiding places, though individual fish vary.

Baby shrimp may be eaten. A separate breeding tank is safer.

Check each combination carefully, especially when size or temperament differs.

Add Common Bristlenose Pleco to my aquarium

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Frequently asked questions

How big does Common Bristlenose Pleco get, and what tank size does it need?

Adults average about 12.5 cm, a medium species. The planner recommends an aquarium of at least 76 L and about 60 cm long.

What water temperature and pH does Common Bristlenose Pleco need?

The planner range is 22~25°C and pH 6.0~7.3, with medium hardness. Reference sources list a wider range of 21~26°C and pH 5.5~7.5. The planner uses the narrower range above as a safer starting point for beginners.

How many Common Bristlenose Pleco should be kept together?

Social needs depend on the species and setup. Temperament is moderate.

Can Common Bristlenose Pleco live with shrimp?

Adult shrimp: usually fine. Baby shrimp: use caution.

Is Common Bristlenose Pleco a good fish for beginners?

Beginner level 4/5. Activity: low; waste: high.