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
≤ 3.3 cm (≤ 1.3 in)
Care level
Beginner – Intermediate
Temperament
Peaceful
Temperature
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.

The listed lifespan is up to 5 years.

Water parameters

The temperature range for this fish is 22–27 °C. Compare it carefully with the aquarium target temperature instead of assuming every tropical community setup is suitable.

The pH range for this fish is 6–7.5. That points to slightly acidic to neutral water, but stability is more important than sudden corrections.

The GH range for this fish is 2–10 dGH. That gives some flexibility, but sudden changes are usually more stressful than a stable value that is slightly imperfect.

The KH range is 1–6 dKH. Use it as a general stability reference rather than a reason for aggressive adjustments.

Temperament and compatibility

As a peaceful fish, Vampire Otocinclus is best kept with calm species that will not harass it or dominate the feeding area.

Feeding

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

Before adding this fish

  • Choose other fish with overlapping temperature needs.
  • Keep pH stable within the listed range instead of making sudden corrections.
  • Avoid aggressive or highly competitive fish.
  • Offer a varied diet that matches this species.

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 ≤ 3.3 cm (≤ 1.3 in). Provide swimming room.

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?

The temperature range for this fish is 22 to 27 °C. Choose other fish with overlapping temperature needs and avoid sudden temperature swings.

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