About Tailspot Blenny

The Tailspot Blenny is a small, colorful blenny perfect for nano reef tanks. They feature an orange body with a distinctive black spot at the base of the tail and blue accents on the fins. Native to the Western Pacific, these tiny blennies are excellent algae eaters for smaller tanks. They are active, fun to watch, and stay small at only 2-2.5 inches. However, they are excellent jumpers and require a tight-fitting lid. Perfect for small reef tanks with peaceful tank mates.

Care Guide

Care Requirements

Tank Setup

Tailspot Blennies are perfect for nano tanks.

Essential Setup:

  • 10+ gallons minimum
  • Established tank with algae
  • Live rock for grazing
  • Caves
  • TIGHT lid essential: Jumpers
  • Temperature 72-78°F

Water Quality

  • Temperature: 72-78°F (22-25.5°C)
  • pH: 8.1-8.4
  • Specific Gravity: 1.020-1.025
  • Ammonia/Nitrite: 0 ppm
  • Nitrate: <20 ppm

Feeding

Herbivores requiring algae:

  • Natural algae (essential)
  • Algae sheets
  • Frozen Mysis
  • Marine pellets

Behavior & Compatibility

Peaceful and active:

  • Peaceful: Perfect nano fish
  • Territorial: To other blennies
  • Active: Constant movement
  • Perching: Sit on rocks

Good Tank Mates:

  • Clownfish
  • Small gobies
  • Cardinalfish
  • Dartfish
  • Peaceful nano fish

Size Advantage

  • Perfect for: Nano tanks (10-30 gallons)
  • Stays small: 2-2.5 inches
  • Active: Entertaining in small spaces

Jumping

  • Notorious jumpers: Will escape
  • Lid: Absolutely must have secure lid
  • Small gaps: Can fit through tiny openings

Distinctive Appearance

  • Tail spot: Black spot at tail base
  • Orange body: Bright coloration
  • Blue accents: On fins

Tips for Success

  • Nano tank appropriate
  • Needs established algae
  • Secure lid mandatory
  • One per tank
  • Peaceful reef member
  • Perfect for small tanks

Compatible Tank Mates

🐠 Clownfish
🐠 Cardinalfish
🐠 Dartfish
🐠 Small Gobies