Vampire Otocinclus

Nannoptopoma sternoptychum

Vampire Otocinclus has a peaceful temperament.

PeacefulBeginner – Intermediate

Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
≤ 1.3" (≤ 3.3 cm)
Aquarium size
20 US gal (76 L) or larger
Care level
Beginner – Intermediate
Temperament
Peaceful
Temperature
72–81°F (22–27°C)
pH
6–7.5
GH
2–10 dGH
KH
1–6 dKH
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: 20 US gal (76 L) or larger. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–27 °C, pH 6–7.5, GH 2–10 dGH, KH 1–6 dKH.

Temperament and compatibility

Vampire Otocinclus is peaceful and suits calm community fish.

Feeding

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

Before adding this fish

  • Plan for an aquarium of 20 US gal (76 L) or larger.
  • Avoid aggressive or highly competitive fish.
  • Offer a varied diet that matches this species.

Natural habitat and origin

Origin: Ecuador, Peru, Bolivia.

Similar fish profiles

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

FAQ

How large does Vampire Otocinclus get?

Vampire Otocinclus reaches ≤ 1.3" (≤ 3.3 cm).

What aquarium size does Vampire Otocinclus need?

Use an aquarium of at least 20 US gal (76 L) or larger.

Is Vampire Otocinclus peaceful?

Yes. Vampire Otocinclus 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 Vampire Otocinclus?

Keep it between 22 to 27 °C.

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