Dwarf Pleco

Parotocinclus haroldoi

Dwarf Pleco is a peaceful bottom-dwelling fish.

PeacefulBottom dwellerBeginner – Intermediate

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Need help with Dwarf Pleco?

Explore compatibility, care or problems using this guide and your aquarium’s conditions.

Quick facts

Adult size: ≤ 2" (≤ 5 cm)
Aquarium size: 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Bottom dweller
Temperature: 77–84°F (25–29°C)
pH: 6.5–7.5
GH: 2–15 dGH
Diet: Omnivore
Lifespan: up to 5 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 25–29 °C, pH 6.5–7.5, GH 2–15 dGH.

Temperament and compatibility

Dwarf Pleco is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the bottom area, so leave enough open substrate area for movement and feeding.

Feeding

As an omnivore, Dwarf Pleco should receive a varied diet rather than one repeated food type.

Offer sinking algae/vegetable-based foods together with suitable small animal foods; ensure access to food when housed with faster feeders.

Before adding this fish

Plan for an aquarium of 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.
Avoid aggressive or highly competitive fish.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Brazil.

Important notes

Dwarf Pleco is not a unique species name; correctly identify P. haroldoi and avoid treating fishbase 3.5 cm SL as incompatible with a 4 cm unspecified-basis aquarium estimate.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Axelrods Corydoras Hoplisoma axelrodi Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2" (≤ 5 cm) 72–79°F (22–26°C) Bandit Corydoras Hoplisoma metae Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2" (≤ 5 cm) 68–79°F (20–26°C) Blackstripe Corydoras Hoplisoma bondi Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2" (≤ 5 cm) 68–79°F (20–26°C) Blue Eyed Plecostomus Panaque cochliodon Same family Similar care level Same temperament Intermediate – Advanced ≤ 11.8" (≤ 30 cm) 72–82°F (22–28°C) Araguaia Corydoras Hoplisoma araguaiaense Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 73–79°F (23–26°C) Blacktop Corydoras Corydoras acutus Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2.8" (≤ 7 cm) 72–82°F (22–28°C)

FAQ

How large does Dwarf Pleco get?

Dwarf Pleco reaches ≤ 2" (≤ 5 cm).

What aquarium size does Dwarf Pleco need?

Use an aquarium of at least 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.

Is Dwarf Pleco peaceful?

Yes. Dwarf Pleco is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.

What temperature is suitable for Dwarf Pleco?

Keep it between 25 to 29 °C.