The Red Neon Goby, also known as Elacatinus puncticulatus, is a fascinating and colorful freshwater fish that adds a vibrant touch to any aquarium. With their striking red coloration and unique behavior, Red Neon Gobies are a popular choice among aquarists who seek an eye-catching and active fish for their community tanks. Originating from the Western Atlantic, particularly the Caribbean region, these gobies are known for their symbiotic relationship with corals and their peaceful nature, making them an interesting and delightful addition to a well-maintained aquarium. Let's explore a detailed description of these remarkable fish, including essential information on their appearance, water conditions, tank setup, feeding habits, and care.

Appearance:

• Striking Red Coloration: The Red Neon Goby is named for its vibrant red color, which covers its streamlined body and makes it visually captivating and unique.
• Size: They are small fish, reaching an adult length of around 8cm

Water Conditions:

• Temperature: Maintain a tropical water temperature range of 72°F to 78°F (22°C to 26°C) to ensure the well-being of Red Neon Gobies.
• pH Level: Aim for a slightly alkaline to neutral pH level between 7.8 and 8.4 to replicate their natural habitat.
• Water Hardness: Provide a moderately hard water with a hardness level between 8 and 12 dGH.
• Filtration: Efficient filtration and regular water changes are essential to maintain excellent water quality.

Tank Setup:

• Tank Size: Red Neon Gobies can be kept in a small tank of at least 10 gallons (38 liters) due to their small size.
• Aquascape: Create a well-decorated environment with live rock, coral, and fine-grained sand substrate to mimic their natural habitat and provide hiding spots.
• Peaceful Tank Mates: They are peaceful and can be kept with other peaceful community fish species.

Feeding Habit:

• Carnivorous Diet: Red Neon Gobies are carnivores and primarily feed on zooplankton, small crustaceans, and algae in the wild.
• Frozen and Live Foods: Offer a varied diet of frozen or live foods such as brine shrimp, mysis shrimp, and small pieces of marine-based prepared foods.

Care:

• Coral Symbiosis: Red Neon Gobies are known for their symbiotic relationship with some coral species, where they clean and defend the corals in exchange for protection and a food source.
• Peaceful Nature: They are generally peaceful and can be kept with other peaceful community fish species.
• Observation: Monitor their behavior and appearance to ensure they are healthy and showing no signs of stress or illness.