Can they live together?

Otocinclus and Cherry Shrimp compatibility

Compare their preferred water conditions and basic behavior.

Otocinclus

Otocinclus

Cherry Shrimp

Cherry Shrimp

Compatible

These species are generally compatible when their water conditions overlap.

Checked for 3 Otocinclus and 6 Cherry Shrimp in a 41 L aquarium.

Shared environment

Recommended temperature
22 ~ 25°C

Recommended pH
6.8 ~ 7.3

Suggested group sizes

Otocinclus: at least 3

Cherry Shrimp: at least 6

Together they need at least 41 L and about 45 cm of length.

Check that your aquarium is large enough for both species.

Side by side

ItemOtocinclusCherry Shrimp
Average adult sizeabout 3.5 cm (small)about 4 cm (nano)
Recommended temperature22~25°C20~25°C
Recommended pH6.0~7.36.8~8.0
Water hardnessMedium hardnessMedium hardness
Minimum aquarium41 L, about 45 cm long20 L, about 30 cm long
Group sizeat least 3at least 6
TemperamentGentleGentle
Social behaviorSocialColony-forming
Swimming zonebottommultiple levels
Activity levelModerateLow
Waste levelLowVery low
With shrimpadults usually fine, babies usually fineadults usually fine, babies usually fine
Beginner level3/55/5

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Frequently asked questions

Can Otocinclus and Cherry Shrimp live together?

Planner result: Compatible. These species are generally compatible when their water conditions overlap.

What water conditions suit both Otocinclus and Cherry Shrimp?

Keep the water at 22~25°C and pH 6.8~7.3, where both planner ranges overlap. Otocinclus prefers medium hardness and Cherry Shrimp prefers medium hardness.

How big should an aquarium for Otocinclus and Cherry Shrimp be?

At least 41 L and about 45 cm long, the larger of the two minimums (Otocinclus: 41 L, Cherry Shrimp: 20 L). Group sizes add to the bioload, so bigger is safer.

How many Otocinclus and Cherry Shrimp should I keep?

Otocinclus: at least 3 (social). Cherry Shrimp: at least 6 (colony-forming).

Will Otocinclus eat Cherry Shrimp?

Adult shrimp: usually fine. Baby shrimp: usually fine. Dense plants and hiding places reduce losses.

Sources & review

Each species' values are cross-checked against the references below and normalized into the planner's own ranges; the verdict comes from the planner's published rules. No text or images are copied.

Otocinclus

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

Cherry Shrimp

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

How compatibility is checked

Try it in my aquarium

This is a guide. Individual behavior and aquarium conditions can change the outcome.