Where to buy Yellowfin Bristletooth
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About Yellowfin Bristletooth
Ctenochaetus flavicauda is a small to medium tang with a brown or olive-gray body and a distinctive bright yellow caudal (tail) fin, which gives the species its common name. The fish has a somewhat oval body shape with a small mouth adapted for feeding on algae and detritus. A characteristic row of bristle-like teeth is visible along the jaws, typical of the Ctenochaetus genus.
Key facts
- Appearance
- Ctenochaetus flavicauda is a small to medium tang with a brown or olive-gray body and a distinctive bright yellow caudal (tail) fin, which gives the species its common name. The fish has a somewhat oval body shape with a small mouth adapted for feeding on algae and detritus. A characteristic row of bristle-like teeth is visible along the jaws, typical of the Ctenochaetus genus.
- Min tank size
- 75 gallons
- Water Parameters
- Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
- Difficulty Level
- Moderate difficulty. The Yellowfin Bristletooth is hardier than many tangs but requires consistent water quality, adequate space to reduce aggression, and a reliable supply of vegetable matter to maintain health and prevent malnutrition.
- Reef safety
- Reef Safe
- Feeding Schedule
- Feed 2-3 times daily
- Diet
- herbivore
- Care Requirements
- • Minimum 75-gallon tank; prefers larger systems (100+ gal) • Stable pH 8.1-8.3, salinity 1.023-1.025, temp 74-78°F • Strong water flow; excellent algae grazer for hair algae control • Peaceful herbivore; feed varied algae, spirulina, quality pellets daily • Requires rock/coral structure for grazing and shelter
- Origin
- Indo-Pacific region from the Red Sea and East Africa through Indonesia to Hawaii and the central Pacific. Found in coral reef environments at depths typically between 10–200 meters.
- Temperament
- Semi Aggressive
- Diet Details
- Feed primarily on dried seaweed (nori), spirulina flakes, and high-quality herbivorous pellets 1–2 times daily. Supplement with occasional blanched vegetables. Ensure adequate grazing opportunities on live rock and natural algae growth in the aquarium.
- Max Size
- 7
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