Tail Spot Blenny - Ecsenius stigmatura
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The Tail Spot Blenny (Ecsenius stigmatura) is a small, active, and hardy reef fish known for its playful personality and distinctive black spot near the tail. This peaceful blenny is an excellent addition to reef aquariums, providing natural algae control and constant activity among rocks and corals.
Common Name: Tail Spot Blenny
Scientific Name: Ecsenius stigmatura
Family: Blenniidae
Size: Up to 2 inches (5 cm)
Temperament: Peaceful
Difficulty: Easy
Reef Safe: Yes
Native Region: Found throughout the Indo-Pacific, including Indonesia, the Philippines, and Papua New Guinea, typically inhabiting shallow reef flats and rocky crevices with abundant algae growth.
Tank Size: Minimum of 20 gallons
Temperature: 72–78°F (22–26°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Live rock with plenty of hiding spots, crevices, and algae-covered surfaces for grazing.
• Algae Control: Actively grazes on film algae and microalgae, helping to maintain a clean tank.
• Behavior: Peaceful and curious; often perches on rocks and explores its environment.
• Diet: Herbivorous—supplement natural algae with marine algae sheets or spirulina-based foods to ensure proper nutrition.
• Tankmates: Compatible with most peaceful reef fish; avoid aggressive or highly territorial species that may stress the blenny.