Carinotetraodon travancoricus, commonly known as the Dwarf Pufferfish or Pea Puffer, is a fascinating and unique freshwater fish that adds a touch of charm and quirkiness to any aquarium. With its tiny size and engaging personality, Carinotetraodon travancoricus is a popular choice among aquarists who seek a small and active fish for their tanks. Originating from India, particularly the Western Ghats region, these pufferfish are known for their small size, curious nature, and their ability to inflate themselves as a defense mechanism. Let's explore a detailed description of these remarkable pufferfish, including essential information on their appearance, water conditions, tank setup, feeding habits, and care.

Appearance:

• Tiny Size: Carinotetraodon travancoricus is one of the smallest pufferfish species, reaching an adult length of only about 1 inch (2.5 centimeters) in captivity.
• Unique Coloration: They display a striking combination of green, yellow, and brown colors on their body, along with black spots, making them visually captivating and adorable in the aquarium.

Water Conditions:

• Temperature: Maintain a tropical water temperature range of 75°F to 82°F (24°C to 28°C) to ensure the well-being of Dwarf Pufferfish.
• pH Level: Aim for a slightly acidic to neutral pH level between 6.0 and 7.5 to replicate their natural habitat.
• Water Hardness: Provide a moderately soft to moderately hard water with a hardness level between 5 and 15 dGH.

Tank Setup:

• Tank Size: Carinotetraodon travancoricus can be kept in a small tank of at least 10 gallons (38 liters) due to their tiny size.
• Aquascape: Create a well-decorated environment with live plants, driftwood, and smooth rocks to mimic their natural habitat and offer hiding spots.
• Beware of Inhabitants: Avoid keeping them with aggressive tank mates or fin-nipping fish, as pufferfish may be vulnerable to bullying.

Feeding Habit:

• Carnivorous Diet: Carinotetraodon travancoricus is a carnivore and has a specialized diet.
• Live and Frozen Foods: Offer live or frozen foods such as bloodworms, brine shrimp, daphnia, or small insects as their primary diet.
• Challenging Feeders: Sometimes, they may require extra effort to accept prepared or frozen foods, so live foods are often preferred.

Care:

• Curious Nature: Dwarf Pufferfish are known for their inquisitive and curious nature, making them entertaining to watch.
• Watch for Aggression: While small, they can be territorial and may display aggressive behavior towards other pufferfish or tank mates.
• Observation: Monitor their behavior and appearance to ensure they are healthy and showing no signs of stress or illness.