Orange Spotted Blenny

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The Orange Spotted Blenny (Blenniella chrysospilos), also known as the Orange-Spotted Combtooth Blenny, is a small, colorful, and interesting saltwater fish commonly kept in marine aquariums. These blennies are known for their striking colors and unique behavior, making them a popular choice for aquarists. Here's a care guide to help you maintain an Orange Spotted Blenny in your saltwater aquarium.

Tank Size

A suitable tank size for a single Orange Spotted Blenny is at least 30 gallons (around 113 liters). Larger tanks provide more swimming space and stability.

Water Quality

Maintain stable water parameters, including a temperature range of 72-78°F (22-26°C) and a specific gravity of around 1.025. Regularly test and adjust pH, ammonia, nitrites, and nitrates to ensure optimal water quality.


Use an efficient filtration system, such as a protein skimmer or a canister filter, to remove waste and maintain water clarity. Live rock can assist in biological filtration and provide hiding spots for your Orange Spotted Blenny.


Orange Spotted Blennies are herbivores and primarily graze on algae. Offer a diet that includes marine algae, seaweed, and other plant-based foods. Supplement their diet with high-quality marine pellets or flakes designed for herbivorous fish.

Feeding Schedule

Feed your Orange Spotted Blenny multiple times a day, as they have small stomachs and require frequent grazing.


These blennies are generally peaceful and can coexist with other peaceful reef fish. Ensure that tankmates are compatible with Blennies and won't harass or outcompete them for food.

Hiding Spots

Provide hiding spots using live rock, caves, and crevices to make your Orange Spotted Blenny feel secure. They often dart into hiding when they feel threatened or stressed.

Water Flow and Lighting

Moderate water flow is suitable for these blennies. Lighting requirements will depend on your overall aquarium setup, but they don't have specific lighting needs.


Quarantine new fish before introducing them to your main tank to prevent the spread of disease.


Regularly monitor your fish for any signs of stress, disease, or aggression, and take appropriate actions if any issues arise.

Orange Spotted Blennies are fascinating and active fish that can be valuable for algae control in a marine aquarium. They are known for their entertaining behaviors and can be a unique addition to your tank. To ensure their health and well-being, provide them with a suitable habitat, maintain water quality, and offer a balanced diet. As with any marine species, maintaining proper water quality is crucial to keeping them healthy and happy.