Corydoras Sodalis: The False Network Catfish

Corydoras sodalis, False Network Cory

Table of Contents

Corydoras Sodalis: The False Network Catfish

Corydoras sodalis, commonly known as the false network catfish, is a fascinating tropical freshwater fish that hails from the Callichthyidae family, specifically the subfamily Corydoradinae. These freshwater fish originate from the pristine inland waters of South America and are prominently found in the Amazon River regions of Loreto, Peru, and Amazonas, Brazil.

Origin and Habitat

This freshwater fish species originates in the inland waters of South America, specifically in the Amazon River regions of Loreto, Peru, and Amazonas, Brazil.

Appearance and Size

Corydoras sodalis, False Network Cory
©aqua imports
  • Size: These petite cory catfish have a modest size, typically reaching a maximum length of approximately 1.9 inches (4.9 cm). Their small stature makes them an ideal choice for aquarists looking to create a community tank.

Corydoras sodalis Tank Setup

Setting up the ideal aquarium for Corydoras sodalis is a crucial first step to ensure their health and happiness in your home. This 500-word paragraph will guide you through the process, covering tank size, filtration, substrate, plants, and heaters.

Tank Size:

Choosing the right tank size for your Corydoras sodalis is essential. A 10-gallon tank can comfortably house a small group of these catfish, but it’s important to consider their need for space and the potential for a larger community. Opting for a larger tank, such as a 20-gallon long or even a 30-gallon, provides more room for a thriving group of Corydoras sodalis and additional tankmates. Remember, a larger tank offers greater stability in water parameters and a more enriching environment for your fish.


Efficient filtration is important to maintain water quality and the overall health of Corydoras sodalis. Use a reliable filter such as the Fluval 306 Canister Filter or the Eheim Classic External Canister Filter. Both of these options provide excellent mechanical and biological filtration, ensuring that harmful waste products are removed, and beneficial bacteria thrive. Make sure to choose a filter with adjustable flow settings to avoid strong currents that might stress your Corydoras.


Selecting the right substrate is crucial for the well-being of Corydoras sodalis, as they spend a significant amount of time foraging at the tank’s bottom. Fine sand or smooth gravel, such as CaribSea Super Naturals Aquarium Sand or Seachem Flourite Black Sand, are excellent choices. These substrates are gentle on their sensitive barbels and mimic their natural habitat. Avoid sharp or coarse substrates that could cause injury.


Live plants not only enhance the aesthetic appeal of your aquarium but also contribute to the well-being of Corydoras sodalis. Opt for low-light plants like Java Fern (Microsorum pteropus), Amazon Sword (Echinodorus amazonicus), and Anubias (Anubias spp.). These plants are easy to care for and provide hiding spots, which Corydoras sodalis appreciate. Brands like Tropica and Seachem offer a wide selection of healthy aquatic plants suitable for your tank.


Maintaining a stable temperature is vital for the comfort of your Corydoras sodalis, as they thrive in a tropical climate. A reliable heater is essential. Consider the Fluval E Series Electronic Heater or the Eheim Jager TruTemp Aquarium Heater, both of which offer precise temperature control and reliability. Ensure the heater’s wattage is appropriate for the tank size to prevent temperature fluctuations.

Creating a thriving habitat for Corydoras sodalis involves careful consideration of tank size, filtration, substrate, plants, and heaters. A larger tank with proper filtration, suitable substrate, live plants, and a reliable heater will provide a comfortable and enriching environment for your false network catfish. By investing in quality equipment and mimicking their natural habitat, you’ll be well on your way to providing the best possible care for these charming freshwater fish.

Water Parameters

Understanding the specific water parameters that suit Corydoras sodalis is essential for their well-being. Here’s what you need to know:

  • pH Range: Corydoras sodalis thrives in water with a pH range between 6.0 and 8.0. Maintaining the appropriate pH level is crucial to ensure their physiological functions are optimal.
  • Water Hardness: These fish are adaptable to a range of water hardness levels, typically between 2 and 25 dGH (degrees of general hardness). This adaptability allows for greater flexibility when it comes to setting up their aquarium.
  • Temperature Range: Corydoras sodalis flourishes in a tropical climate, with a preferred temperature range of 72–79 °F (22–26 °C). Maintaining a stable and comfortable temperature is paramount for their overall health.

Corydoras sodalis Feeding: A Nutritional Guide

Feeding Corydoras sodalis a balanced and diverse diet is essential for their overall health and vitality. This section will expand on their dietary needs and provide specific examples of foods, including reputable brands and types available for purchase online.


Corydoras sodalis are naturally omnivorous, which means they consume a wide variety of food in their natural habitat. To replicate their dietary preferences in captivity, it’s essential to offer a combination of high-quality commercial foods and live or frozen options. Here’s a breakdown of their diet:

1. Commercial Foods:

  • Flake Food: High-quality flake food is a staple option for Corydoras sodalis. Brands like Hikari Tropical Micro Pellets and TetraMin Tropical Flakes offer excellent options. These flakes are formulated to provide essential nutrients and can serve as a core part of their diet.
  • Sinking Pellets: Sinking pellets are another suitable choice. Look for products like Omega One Shrimp & Lobster Pellets or New Life Spectrum Cichlid Formula. These pellets mimic their natural behavior of scavenging at the tank’s bottom.

2. Live or Frozen Foods:

  • Bloodworms: Offer frozen or live bloodworms as an occasional treat. Brands like San Francisco Bay Brand or Hikari Bio-Pure Freeze Dried Bloodworms are excellent options. Bloodworms provide essential protein and are eagerly consumed by Corydoras sodalis.
  • Brine Shrimp: Both adult brine shrimp and baby brine shrimp are suitable options. Brands like Omega One Freeze-Dried Brine Shrimp or Hikari Bio-Pure Frozen Brine Shrimp are readily available. Brine shrimp add variety to their diet and are a good source of protein.
  • Daphnia: Daphnia, whether frozen or live, is a nutritious choice. Hikari Bio-Pure Frozen Daphnia or San Francisco Bay Brand Freeze-Dried Daphnia are popular options. Daphnia contribute to a balanced diet and can help enhance their coloration.

Feeding Frequency:

Corydoras sodalis are typically active feeders and should be fed small portions multiple times a day. Ensure that they consume the offered food within a few minutes to prevent overfeeding and maintain water quality. A consistent feeding schedule will help keep them healthy and active.


Offering a variety of foods is essential to meet their nutritional needs and stimulate their natural foraging behavior. Rotate between different types of commercial foods and occasional live or frozen treats to ensure a well-rounded diet.


Regularly observe your Corydoras sodalis during feeding sessions. This will allow you to monitor their appetite, health, and behavior. Any sudden changes in eating habits or signs of distress should be addressed promptly.

Feeding Corydoras sodalis a balanced diet is vital for their well-being. High-quality commercial foods like flakes and sinking pellets, along with occasional treats of live or frozen options such as bloodworms, brine shrimp, and daphnia, will provide them with the necessary nutrients for a healthy life. Reputable brands like Hikari, Tetra, Omega One, and San Francisco Bay Brand offer a wide range of options to choose from, ensuring your fish receive the best possible nutrition.

Reproduction and Breeding

Breeding Corydoras sodalis can be a rewarding endeavor for dedicated aquarists. Here are some key points to consider:

  • Conditioning: To encourage breeding, provide a varied and protein-rich diet. Maintaining excellent water quality is crucial, and the introduction of live or frozen foods can stimulate breeding behavior.
  • Egg Scattering: Corydoras sodalis are egg scatterers. They typically lay their eggs among dense vegetation or on tank surfaces. Consider providing spawning mops or fine-leaved plants for them to deposit their eggs.
  • Egg Protection: Adults do not guard the eggs, so it’s advisable to move the eggs to a separate breeding tank to protect them from potential predators.

Common Diseases and Health

While Corydoras sodalis is generally hardy, they can be susceptible to common aquarium diseases. Here are some tips for maintaining their health:

  • Ich (White Spot Disease): Maintain stable water conditions, including appropriate temperature and water parameters, to prevent this common fish disease.
  • Fin Rot: Ensure good water quality and address any signs of fin damage promptly. Regular water changes can help prevent fin rot.
  • Parasites: Quarantine new fish before introducing them to the tank to prevent the spread of parasites. Regular observation can also help identify and treat issues promptly.

Behavior and Compatibility

Understanding the behavior of Corydoras sodalis is essential for creating a harmonious aquarium environment:

  • Social Nature: Corydoras sodalis is a social species that thrives in groups. They are most active and display their natural behaviors when kept in schools of at least six individuals.
  • Bottom Dwellers: These catfish are primarily bottom dwellers, and you’ll often find them scavenging the substrate for food. Their barbels help them locate food particles.

Best Tankmates for false network cory

keep in mind their peaceful nature and choose companions that are compatible in terms of size and temperament. Ideal tankmates include tetras, rasboras, and peaceful cichlids like Apistogramma.

Other cory catfish that make good tankmates are:


With proper care and attention to their needs, Corydoras sodalis can live for several years. On average, they have a lifespan of 5 to 7 years or more, providing aquarists with many years of enjoyment.

In conclusion, Corydoras sodalis is a captivating and charming addition to any freshwater aquarium. By providing them with the right environment, a balanced diet, and understanding their behavior and breeding habits, you can ensure the well-being of these delightful fish in your home aquarium.

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Lee Johnson

Lee Johnson

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I love sharing my knowledge about all things aquarium related. I have been keeping aquariums for over 20 years and cannot imagine a life without an aquarium. 

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