"Hoplisoma C91," also known as Corydoras sp. C91 or "Peru Bondi," is a species from the Corydoras genus. Although "Hoplisoma" is an older name sometimes used in reference to certain Corydoras, it's not commonly used in modern taxonomy. Here’s a brief overview of the Corydoras sp. C91:

Appearance

• Coloration: Corydoras sp. C91, commonly referred to as "Peru Bondi," typically has a light body color with darker markings or spots. These spots can vary in pattern and size, giving each fish a unique appearance.
• Size: They usually grow to about 2 to 2.5 inches (5 to 6.5 cm) in length.

Behavior and Temperament

• Temperament: This species is peaceful and ideal for community aquariums. Like other Corydoras, they are social fish and enjoy the company of their own kind.
• Social Behavior: They should be kept in groups of at least 4-6 individuals to exhibit natural schooling behavior and reduce stress. In groups, they are more active and display a wide range of natural behaviors.

Tank Requirements

• Tank Size: A minimum of a 20-gallon (75 liters) tank is recommended for a small group. A larger tank is preferred if you plan to keep more than six.
• Substrate: A soft substrate such as fine sand or smooth gravel is ideal to protect their delicate barbels.
• Water Conditions:
  • Temperature: 72-78°F (22-26°C).
  • pH: Slightly acidic to neutral, around 6.0-7.5.
  • Water Hardness: Soft to moderately hard water (2-12 dGH) is preferred.
• Aquascaping: Include plenty of hiding spots and shaded areas using plants, driftwood, and rocks. A well-decorated tank provides them with security and encourages natural behaviors.

Diet

• Omnivorous: Corydoras sp. C91 are omnivores that will eat a variety of foods. They thrive on a diet of high-quality sinking pellets or wafers, supplemented with live or frozen foods such as bloodworms, brine shrimp, and daphnia.

Summary

Corydoras sp. C91 "Peru Bondi" is a peaceful and attractive addition to community aquariums. With their distinctive appearance and active behavior, they add life and interest to the tank, particularly when kept in a group. Their relatively easy care requirements make them suitable for both beginner and experienced aquarists.