ReefDock
ShopEquipmentLivestockFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Fish
  5. /Triangle Butterflyfish

Triangle Butterflyfish (Chaetodon triangle)

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

Triangle Butterflyfish
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Triangle Butterflyfish

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 Triangle Butterflyfish

The Triangle Butterflyfish has a distinctive white to pale yellow body with prominent black triangular or chevron-shaped markings radiating from the eye and along the body. The dorsal and anal fins display yellow coloration with black banding. A characteristic black eye stripe extends through the eye, and the tail is truncated with yellow and black patterns.

Key facts

Difficulty Level
Moderate - Triangle Butterflyfish requires standard marine aquarium maintenance and intermediate fish keeping skills.
Temperament
Peaceful
Reef safety
Reef Safe with Caution
Appearance
The Triangle Butterflyfish has a distinctive white to pale yellow body with prominent black triangular or chevron-shaped markings radiating from the eye and along the body. The dorsal and anal fins display yellow coloration with black banding. A characteristic black eye stripe extends through the eye, and the tail is truncated with yellow and black patterns.
Water Parameters
Temperature: 75-82°F pH: 8.1-8.3 Salinity: 1.02-1.025
Family
Chaetodontidae
Care Level
Moderate
Min tank size
75 gallons
Max Size
5
Origin
Indo-Pacific region, ranging from the Red Sea and East Africa through to the Indo-Australian archipelago and extending to the Great Barrier Reef. Found in coral-rich areas at depths of 5-40 meters.
Common Health Issues
Ich (white spot disease), head and lateral line erosion (HLLE), parasitic infections
Care Requirements
• Minimum 75 gallon tank • Temperature range: 75–82°F • pH: 8.1–8.3 • Salinity: 1.020–1.025 SG • Requires plenty of live rock and coral formations for grazing and refuge; prefers established reef systems with stable conditions • Sensitive to water quality changes and copper-based treatments; acclimate slowly and avoid sudden parameter shifts

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