ReefDock
ShopEquipmentLivestockFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Fish
  5. /Twospot Bristletooth

Twospot Bristletooth (Ctenochaetus binotatus)

Find Twospot Bristletooth across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Twospot Bristletooth
Photo: Diego Delso · CC BY-SA 4.0
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Twospot Bristletooth

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

    Search this retailer

    Search Saltwaterfish
  • Amazon

    Search this retailer

    Search Amazon
  • Petco

    Search this retailer

    Search Petco

About Twospot Bristletooth

A small, oval-bodied tang with a dark brown to tan body and characteristic dark spots or markings near the eye and gill area. The fish has prominent bristle-like teeth (hence "bristletooth"), and a distinctly curved mouth adapted for grazing algae from rock and substrate surfaces.

Key facts

Origin
Indo-Pacific region from the Red Sea and East Africa to Hawaii and French Polynesia, typically found in coral reef environments at depths of 5–60 meters.
Common Health Issues
Parasitic infections (ich), head and lateral line erosion (HLLE), intestinal parasites
Diet Details
Ctenochaetus binotatus is a dedicated herbivore that feeds primarily on benthic diatoms and filamentous algae. In captivity, provide quality dried seaweed sheets and high-quality herbivorous pellets multiple times daily, supplemented with fresh vegetable matter such as blanched spinach or nori.
Max Size
7
Diet
herbivore
Reef safety
Reef Safe
Appearance
A small, oval-bodied tang with a dark brown to tan body and characteristic dark spots or markings near the eye and gill area. The fish has prominent bristle-like teeth (hence "bristletooth"), and a distinctly curved mouth adapted for grazing algae from rock and substrate surfaces.
Temperament
Peaceful
Aka
Twospot Bristletooth
Min tank size
75 gallons
Care Requirements
• Minimum 75-gallon tank; 100+ gallons preferred for long-term health • pH 8.1–8.3, salinity 1.023–1.025, temp 72–78°F • Strong water flow and excellent filtration essential • Herbivorous; feed quality spirulina, nori, and varied algae-based foods • Peaceful grazer; avoid with overly aggressive tangs or fish-eating species
Difficulty Level
Moderately challenging. Requires excellent water quality, a well-established tank with abundant live rock for grazing, and a mature reef system. More hardy than some other bristletooth species but demands consistent feeding and stable conditions.

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

Related fish

  • Acares Midget Reef Chromis

    Chromis acares

  • Achilles Tang

    Acanthurus achilles

  • Adorned Wrasse

    Halichoeres cosmetus

  • African Basslet

    Liopropoma africanum

  • African Pygmy Angelfish

    Centropyge acanthops

  • Agile Chromis

    Chromis agilis

  • Aiptasia Eating Filefish

    Acreichthys tomentosus

  • Allard's Clownfish

    Amphiprion allardi

ReefDock

Reef-product search built by the maker of Reef Trak.

Questions? support@reeftrak.com

Shop

  • All reef products
  • Equipment
  • Livestock
  • Brands

Categories

  • Corals
  • Fish
  • Invertebrates
  • Equipment
  • Frags

About

  • Partners
  • About ReefDock
  • FAQ
  • ReefTrak integration
  • Affiliate disclosure

© 2026 ReefDock · Privacy · Terms