Bronze Corydoras Var Longfin
Corydoras aeneus
Bronze Corydoras Var Longfin (Corydoras aeneus) is a peaceful bottom-dwelling Corydoras that suits calm freshwater aquariums. It stays small, but it should be kept in a group and needs enough open substrate area for feeding and movement.
Quick facts
- Adult size
- up to 7 cm
- Aquarium size
- 100 L or larger
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Bottom dweller
- Temperature
- 23–26 °C
- pH
- 6–8
- GH
- 5–25 dGH
- Diet
- Omnivore
- Lifespan
- up to 5 years
- Group behavior
- Groups of 6 or more recommended
Overview
Bronze Corydoras Var Longfin (Corydoras aeneus) is a bottom-dwelling Corydoras for aquariums where the layout leaves enough open substrate area and the water stays stable.
Use these values as planning checks, then make sure the aquarium still has room for behavior, group needs, and calm community fish.
Care requirements
With a Beginner – Intermediate care level, Bronze Corydoras Var Longfin is approachable, but it still needs stable water, clean substrate, and a well-planned stocking group.
It should not be selected by size alone: bottom space, calm community fish, and consistent maintenance are part of the care plan.
Plan the aquarium around the group, not just one individual.
With a lifespan of up to 5 years, this is a fish to plan for long term rather than an impulse addition.
Aquarium size and space needs
An aquarium of 100 L or larger can be a reasonable starting point, but it should not be read as permission to overstock.
At up to 7 cm, Bronze Corydoras Var Longfin stays small, but a group still needs room to move, feed, and avoid constant competition.
For a bottom-dwelling Corydoras, open substrate area often matters as much as water volume.
A group of 6 or more should have enough open substrate area for movement and feeding.
Water parameters
The temperature range for this fish is 23 to 26 °C, which fits many tropical freshwater aquariums. Choose other fish with overlapping temperature needs.
The pH range for this fish is 6 to 8. That points to a broad freshwater range, but stability is more important than sudden corrections.
The GH range for this fish is 5 to 25 dGH. That gives some flexibility, but sudden changes are usually more stressful than a stable value that is slightly imperfect.
Temperament and compatibility
As a peaceful bottom-dwelling fish, Bronze Corydoras Var Longfin is best kept with calm species that will not harass it or dominate the feeding area.
If kept in a group of 6 or more, the aquarium should have enough open substrate area for the group rather than being planned around a single fish.
Because this fish uses the bottom area, compatibility is easier when other fish are not all competing for the same swimming space.
Swimming zone and behavior
This fish uses the bottom area, so leave enough open substrate area for movement and feeding.
Because this species is best planned as a group of 6 or more, bottom space matters more than body size alone.
Feeding
As an omnivore, Bronze Corydoras Var Longfin should receive a varied diet rather than one repeated food type.
Because it feeds near the bottom, make sure food reaches the substrate and is not completely taken by faster fish in the open water.
Before adding this fish
Use this checklist before treating the profile as a match for an existing aquarium.
- Plan for an aquarium of 100 L or larger.
- Make sure the bottom area has enough open substrate for a group.
- 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.
- Plan for a group of 6 or more.
- Offer a varied diet suitable for an omnivorous bottom-dwelling fish.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Bronze Corydoras Var Longfin get?
Bronze Corydoras Var Longfin reaches up to 7 cm according to this profile. It stays relatively small, but aquarium planning should still account for group size and bottom space.
What aquarium size does Bronze Corydoras Var Longfin need?
Plan for an aquarium of 100 L or larger. Treat this as a baseline, because a grouped bottom-dwelling fish also needs open substrate area and compatible fish.
Is Bronze Corydoras Var Longfin peaceful?
Yes. Bronze Corydoras Var Longfin 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 Bronze Corydoras Var Longfin?
The temperature range for this fish is 23 to 26 °C. Choose other fish with overlapping temperature needs and avoid sudden temperature swings.
Should Bronze Corydoras Var Longfin be kept alone or in a group?
This profile recommends groups of 6 or more. Plan the aquarium around the group rather than a single fish.