Emerald catfish
Introduction
The Emerald catfish, scientifically known as Brochis splendens, is a captivating freshwater species cherished by aquarists for its shimmering green hues and peaceful demeanor. This bottom-dwelling fish adds both beauty and functionality to community aquariums, as it helps keep the substrate clean by scavenging leftover food. Suitable for both novice and intermediate fishkeepers, the Emerald catfish is relatively hardy and thrives when provided with appropriate care and environment.
Care and Environment
Providing optimal care for the Emerald catfish involves replicating its natural habitat and meeting its specific needs.
What is the minimum tank size required for an Emerald catfish?
A minimum tank size of 38 liters is recommended for a single Emerald catfish. However, as they are social creatures, it's best to keep them in groups, necessitating a larger tank.
What are the ideal water parameters for Emerald catfish?
Emerald catfish thrive in water temperatures between 22°C and 28°C, with a pH range of 5.8 to 7.8, and water hardness between 2 to 30 dGH. Maintaining stable water conditions is crucial for their health.
How should the tank be set up for Emerald catfish?
Use a soft, sandy substrate to prevent injury to their delicate barbels. Incorporate dense vegetation, driftwood, and caves to provide hiding spots and mimic their natural environment. Ensure the tank is well-filtered to maintain water quality, and provide moderate lighting to support plant growth without stressing the fish.
Feeding Emerald catfish a balanced diet is essential. They are omnivorous and will accept a variety of foods, including high-quality sinking pellets, live or frozen foods like bloodworms and brine shrimp, and occasional vegetable matter. Feed them once or twice daily, offering only what they can consume within a few minutes to prevent overfeeding and maintain water quality.
Origin and Habitat
Emerald catfish are native to the upper Amazon Basin, inhabiting regions in western Brazil, southeastern Colombia, eastern Ecuador, and eastern Peru. They are typically found in slow-moving, well-oxygenated rivers with dense vegetation and muddy substrates. These environments provide ample hiding spots and a rich supply of food sources like insect larvae, small crustaceans, and worms. Replicating these conditions in the aquarium helps ensure the well-being of the Emerald catfish.
Temperament and Compatibility
Emerald catfish are peaceful and sociable, making them excellent additions to community aquariums. They prefer to be kept in groups of at least six, as this encourages natural behaviors and reduces stress.
Are Emerald catfish compatible with other fish species?
Yes, they coexist well with other non-aggressive community fish such as tetras, rasboras, guppies, and dwarf cichlids. Avoid housing them with larger or aggressive species that may intimidate or harm them.
Do Emerald catfish exhibit any unique behaviors?
They are known for their bottom-dwelling habits, often seen scavenging the substrate for food. Additionally, they may occasionally swim to the surface to gulp air, a behavior linked to their ability to utilize atmospheric oxygen.
Interesting Facts
Emerald catfish possess several fascinating traits that intrigue aquarists.
How do Emerald catfish reproduce?
During spawning, females lay eggs in dense vegetation near the water surface and do not guard them. A single female can lay over a thousand eggs in one spawning session.
Do Emerald catfish have any unique anatomical features?
Yes, they have modified intestines that allow them to perform intestinal breathing. This adaptation enables them to survive in environments with low oxygen levels by gulping air at the water surface.
What distinguishes Emerald catfish from other corydoras species?
They are considerably larger and have a more robust body compared to other corydoras catfish. Their metallic green coloration and the presence of more dorsal rays also set them apart.
Sources
All information in this article has been gathered from the following reputable sources:
Overview
Recommended Tank Size 19.8 Gallon (for groups of 6 or more) |
Minimum Group Size 6 |
Minimum Tank Volume 10 Gallon |
Maximum Adult Length 3 inch |
Average Adult Length 2.4 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, soft to moderately hard, slightly acidic to neutral |
Temperature Range (°C) 22–28 |
pH Range 5.8–7.8 |
Water Hardness (dGH) 2–30 |
Typical Lifespan (years) 5 years |