Blacktop Corydoras
Corydoras acutus
Blacktop Corydoras is a peaceful bottom-dwelling corydoras.
Save this fish or add it directly to one of your aquariums.
Need help with Blacktop Corydoras?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Quick facts
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 27.6" (≥ 70 cm) minimum length
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Bottom dweller
- Temperature
- 72–82°F (22–28°C)
- pH
- 6–7.5
- GH
- 2–12 dGH
- Diet
- Omnivore
- Lifespan
- 8–12 years
Care requirements
Care level: Beginner – Intermediate.
Lifespan: 8–12 years.
Aquarium size and space needs
Minimum aquarium size: 21 US gal (80 L) or larger / ≥ 27.6" (≥ 70 cm) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 22–28 °C, pH 6–7.5, GH 2–12 dGH.
Temperament and compatibility
Blacktop Corydoras 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, Blacktop Corydoras should receive a varied diet rather than one repeated food type.
Feed a varied sinking diet of prepared foods and small live or frozen invertebrates; bottom feeders still require direct feeding.
Before adding this fish
- Plan for an aquarium of 21 US gal (80 L) or larger / ≥ 27.6" (≥ 70 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: Ecuador, Peru, Brazil.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Blacktop Corydoras get?
Blacktop Corydoras reaches ≤ 2.8" (≤ 7 cm).
What aquarium size does Blacktop Corydoras need?
Use an aquarium of at least 21 US gal (80 L) or larger / ≥ 27.6" (≥ 70 cm) minimum length.
Is Blacktop Corydoras peaceful?
Yes. Blacktop Corydoras 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 Blacktop Corydoras?
Keep it between 22 to 28 °C.
