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Reef Triggerfish
Reef Triggerfish
Origin
Indo-Pacific
Habitat Size
150 - 400 Liters
Water Type
Salt Water
Water Temperature
24º-28ºC
Cost in India
₹200 - ₹300
Size
10 - 12 inches (Medium)
Diet
Omnivore
by Happy Pet TeamUpdated on 1 Dec 2025
Reef Triggerfish Guide
The Reef Triggerfish (scientific name Rhinecanthus rectangulus) is a bright, unusual fish with sharp jaws and a funny name. In Hawaii, it is called humuhumunukunukuāpuaʻa. It's not just a random nickname; it means - triggerfish with a snout like a pig.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Reef Triggerfish Habitat Requirements
Initial Setup Cost
₹10,000 - ₹30,000
Water Temperature
24º -28ºC
Water Type
Salt Water
PH Level
8.1 - 8.4
Reef Triggerfish Tank Type
Essential Equipment
Water filter
Heater
Light
Substrate
Decor
Aquarium tank
Reef Triggerfish Nutritional Guide
Avg Monthly Expenses
₹200 - ₹ 300
Reef Triggerfish Diet Type
Reef Triggerfish Health & Care
Common Health Issues
White spot / ick
Fin rot
Velvet disease (yellowish-brown spots on the skin)
Swim bladder disease
Parasitic infections
Bacterial infections
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Frequent hiding
Dull coloring
Tattered fins
Common Health Issues
Prerequisites for a Fish
Adequate tank space
Cleanliness
Effort & commitment
Enriching Environment
Written by
Happy Pet TeamAuthor
Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.
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Frequently Asked Questions
Can Reef Triggerfish be kept with other fish?
They can be kept with other fish but may show territorial and aggressive behavior, especially in confined spaces.
Are Reef Triggerfish aggressive?
Yes, Reef Triggerfish can be territorial and aggressive, especially towards similar-looking fish or when confined in smaller tanks. It's important to provide ample space and appropriate tank mates.
What should I feed Reef Triggerfish?
They are omnivores and should be fed a varied diet including meaty foods like crustaceans, mollusks, and marine fish preparations, as well as algae and other plant matter.