Corydoras Evelynae: A Guide to Callichthyidae Catfish

Corydoras Evelynae And Soft Substrate
Dr. Mollie Newton
Published by Dr. Mollie Newton PHD| Senior Editor
Last updated: July 20, 2024
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Corydoras evelynae, a cool freshwater catfish, belongs to the Corydoras genus and the Callichthyidae family. Discovered way back in 1968 by Nijssen and Isbrücker, this fish hails from South America. **With unique traits and a stunning look**, Corydoras evelynae has become a hit with aquarium fans. Whether you’re a seasoned fish-keeper or just starting, dive into the amazing world of this catfish.

Article Summary

  • Corydoras evelynae is a species of freshwater catfish native to South America.
  • Corydoras evelynae is an omnivore and should be fed a balanced diet of sinking pellets, flakes, live, and frozen foods.
  • When keeping them in a community tank, choose peaceful tank mates and aim for a group of at least six Corydoras evelynae individuals.

Species Overview

Corydoras evelynae (Corydoras evelynae rössel) is a small-sized fish, measuring around 2 inches in length. With its unique color pattern of dark spots on a light background, this species stands out among other fish in the aquarium. Known for their peaceful nature and active behavior, Corydoras evelynae is highly sought after by aquarium enthusiasts.

Corydoras evelynae is renowned for its peaceful temperament, making it an excellent choice for community tanks. This species gets along well with other non-aggressive fish and contributes to a harmonious tank environment. Their calm demeanor allows them to coexist peacefully with various tank mates.

Aquarists appreciate the lively nature of Corydoras evelynae as they are constantly on the move. These little swimmers are known for their playful antics and energetic exploration of their surroundings. Watching them dart around the tank can be quite entertaining and adds liveliness to any aquarium setup.

Popularity Among Aquarium Enthusiasts

Corydoras evelynae has gained popularity among aquarium enthusiasts due to its appealing appearance and desirable traits. Its manageable size makes it suitable for smaller tanks, while its peaceful nature allows it to thrive in community setups. The active behavior of Corydoras evelynae also adds dynamism to aquariums, attracting hobbyists who enjoy observing their aquatic pets’ lively movements.

Population Growth

The minimum population doubling time for Corydoras evelynae, a small and peaceful freshwater catfish species, typically ranges from 6 to 12 months under optimal conditions. This means that, under ideal circumstances with proper care and a suitable environment, the population of Corydoras evelynae can potentially double in size within this time frame.

However, it’s important to note that various factors, including water quality, temperature, diet, and tank conditions, can influence the growth rate of this species. Providing a well-maintained aquarium with a balanced diet and suitable tank mates can contribute to their successful breeding and population growth.

Corydoras Evelynae Appearance

One distinctive feature of the corydoras evelynae is its flattened ventral area. This adaptation allows the fish to rest comfortably on the substrate at the bottom of the tank or aquarium. It’s like having a built-in cushion for lounging around!

This species exhibits a range of shades from light brown to olive green. The body is adorned with dark spots all over, creating an eye-catching pattern. Imagine looking at a fish covered in freckles! These spots not only add visual interest but also serve as a form of camouflage in their natural habitat.

The eyes of the corydoras evelynae are another notable feature. They are large and positioned on the sides of the head, providing excellent peripheral vision. This allows them to be aware of their surroundings and spot potential predators or food sources easily.

Tank And Water Requirements

For keeping Corydoras evelynae, it is recommended to have a 20-gallon tank at minimum. This provides ample space for these small catfish to swim around comfortably. It also allows for the inclusion of hiding places like caves or plants, which are essential for their overall well-being.

Corydoras Evelynae on a Driftwood
Corydoras Evelynae on a Driftwood

Water Conditions

Maintaining the correct water temperature is vital for the health of Corydoras evelynae. The ideal range is between 72°F and 78°F (22°C – 26°C). This temperature range mimics their natural habitat in South America and ensures they remain active and healthy.

Corydoras evelynae prefer slightly acidic to neutral water conditions. The pH range should be maintained within 6.0 – 8.0 and dh range from 2 to 2.5. Regular monitoring of pH levels using appropriate testing kits is necessary to ensure that the water remains within this optimal range.

Clean and well-filtered water is crucial for the overall health of Corydoras evelynae. Regular water changes are necessary to maintain good water quality and remove any accumulated waste or toxins. Aim for a filtration system that can handle the tank’s size effectively.

Corydoras Evelynae Health

Proper water quality maintenance is crucial for the health of Corydoras evelynae. These adorable little catfish are known for their vibrant colors and playful behavior, but like any pet, they require proper care to thrive.

One key aspect of keeping your Corydoras evelynae healthy is monitoring their water conditions. These fish are sensitive to changes in water quality, so it’s important to maintain stable parameters. Regularly check the temperature, pH level, and ammonia levels in the tank to ensure they are within the appropriate range.

Corydoras evelynae can be susceptible to diseases like ich, which manifests as white spots on their bodies. To prevent and treat such issues, it’s essential to observe your fish closely for any signs of illness. If you notice any abnormalities or symptoms of disease, consult a veterinarian who specializes in aquatic animals for guidance on appropriate treatment.

Maintaining good filtration is another vital aspect of ensuring the health of your Corydoras evelynae. A high-quality filter will help remove toxins and impurities from the water, creating a clean and safe environment for your fish. Performing regular water changes helps dilute harmful substances that may accumulate over time.

Corydoras Evelynae Diet

Corydoras evelynae is an omnivorous species that requires a diverse diet for optimal health. To keep these fish happy and thriving in your aquarium, it’s important to provide them with a balanced and nutritious menu. Corydoras evelynae has a versatile palate and can consume both animal-based and plant-based foods. Being an omnivore means they enjoy a wide variety of food options.

Varied Options

To meet their dietary needs, it is recommended to feed Corydoras evelynae high-quality sinking pellets or flakes specifically formulated for bottom-dwelling fish. These sinking foods ensure that the fish have easy access to their meals.

In addition to pellets and flakes, you can supplement their diet with frozen or live foods such as brine shrimp, bloodworms, daphnia, or blackworms. These protein-rich treats mimic their natural diet in the wild.

Small Invertebrates and Algae

Corydoras evelynae will also graze on small invertebrates like worms and insect larvae that they find in the aquarium substrate. They may even nibble on algae growing on rocks or decorations within the tank.

Tips for Optimal Health

A well-rounded diet is crucial for the overall health of Corydoras evelynae. It should consist of both protein-rich foods like pellets, flakes, frozen/live foods, as well as plant-based options such as spirulina flakes or blanched vegetables like zucchini or spinach.

Temperament And Tank Mates

Corydoras evelynae is a peaceful fish that can happily coexist in community tanks. Keep in mind that these fish thrive when they are part of a larger group. Aim for at least six Corydoras evelynae individuals in your aquarium.

It’s important to choose compatible companions for your Corydoras evelynae. Opt for other peaceful fish that won’t cause any trouble or stress for them. Some suitable tank mates include tetras, rasboras, dwarf cichlids, and other Corydoras species (Corydoras schwartzi for example). Here are some other key points to consider when selecting tank mates for your Corydoras evelynae.

Peaceful Fish: Choose fish species that have a similar temperament to the Corydoras evelynae. This will help maintain a harmonious environment within the tank.

Compatibility: Avoid keeping your Corydoras evelynae with aggressive or larger-sized fish that may intimidate or harm them. It’s essential to create a safe space where all the inhabitants can live peacefully.

Consideration for Bottom Dwellers

Since Corydoras evelynae are bottom-dwelling fish, it’s crucial to select tank mates that occupy different levels of the aquarium. This way, each species can have its own space without overlapping too much.

Breeding Corydoras Evelynae

Breeding Corydoras evelynae can be an exciting and rewarding experience for fish enthusiasts. To successfully breed these beautiful catfish, it is crucial to provide them with suitable conditions and follow the right steps.

Suitable Conditions for Breeding

Creating a conducive environment is essential when breeding Corydoras evelynae. Ensure that the water in their tank is clean and well-maintained, as these fish are sensitive to poor water quality. Regular water changes and filtration will help maintain optimal conditions.

Temperature fluctuations are also important for successful breeding. Mimicking natural temperature variations by slightly lowering the temperature during nighttime can stimulate spawning behavior in these fish.

Spawning Behavior

When it’s time to breed, the female Corydoras evelynae will lay her eggs on flat surfaces such as leaves or rocks within the tank. The male then fertilizes the eggs externally by releasing his milt over them. This process typically occurs during early morning hours.

Removing Adults from the Breeding Tank

To prevent egg predation, it is recommended to remove the adult fish from the breeding tank after spawning has taken place. This ensures that the newly laid eggs have a higher chance of survival without being consumed by their parents or other tank inhabitants.

Hatching and Fry Care

After a few days, usually around 4-7 days depending on temperature conditions, the eggs will hatch into fry. At this stage, providing proper nutrition is crucial for their growth and development. Infusoria or specialized fry food can be used as their primary diet until they are large enough to consume larger food particles.

It’s important to monitor water quality closely during this period and perform regular maintenance to ensure optimal conditions for fry growth.

Frequently Asked Questions

What is the ideal tank size for Corydoras evelynae?

Corydoras evelynae requires a minimum tank size of 20 gallons (75 liters) due to their active nature and need for space.

How often should I feed my Corydoras evelynae?

Feed them small amounts multiple times a day, ensuring they have enough food within two minutes each feeding session.

Can I keep only one Corydoras evelynae?

It is generally recommended to keep at least six Corydoras evelynae together as they are social fish that thrive in groups.

Image Reference

  • Featured Image – Aquarium Glaser GmbH (2017, December 01). Corydoras sp. C20 cf. evelynae [Photo]. Facebook. https://www.facebook.com/photo/?fbid=719974154870463&set=pcb.719975804870298
  • Content Image – Aquarium Glaser GmbH (2017, December 01). Corydoras sp. C20 cf. evelynae [Photo]. Facebook. https://www.facebook.com/photo/?fbid=719974151537130&set=pcb.719975804870298
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