Wedge-Tail Triggerfish

This marine aquarium fish is known as Wedge-Tail Triggerfish and the correct latin name is Rhinecanthus rectangulus. The family that this fish belongs to is called the Triggers family. (e) Origin of this fish is Indo-Pacific. (e)

Character and suggestions regarding care

An aggressive species.

Wedge-Tail Triggerfish can grow up to 30 cm what is approximately 11 inches. 1 specimen basically needs at least 3600cm² of water surface which is approximately 558 square inch. We recommend you to keep it in fish tanks which are large. (e) Medium aquariums have at least 113 Litres (30 US Gallons). Large aquariums have at least 265 Litres (70 US Gallons). Capacity of very large aquariums is at least 700 Litres (185 US Gallons).

It is easy to keep the Wedge-Tail Triggerfish. (e) The specific gravity (SG) should be between 1,020 and 1,025, the temperature between 23°C (73.4°F) and 26°C (78.8°F). The recommended pH level is between 8.0 and 8.3 since marine fish are used to these levels in general.

This is a carnivore which also accepts vegetable occasionally. Feed them small fishes, scallop, shrimps.





Thanks to Kenneth Leonard for the picture. Copyright Ken Leonard.

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Related fish profiles in the database

• Balistapus Undulatus (Undulate Trigger, Orangelined, Orangetailed, Orange-Lined Triggerfish)
• Balistes Vetula (Queen Trigger)
• Balistoides Conspicillum (Clown Trigger)
• Melichthys Indicus (Indian Triggerfish, Black Triggerfish, Black Finned Triggerfish)
• Melichthys Vidua (Pinktail Trigger)
• Odonus Niger (Niger Trigger, Redtoothed Triggerfish)
• Pseudobalistes Flavimarginatus (Yellowmargin Triggerfish)
• Pseudobalistes Fuscus (Yellow-spotted Triggerfish, Blue Line Trigger, Rippled Triggerfish)
• Rhinecanthus Aculeatus (Blackbar Triggerfish, HumaHuma Picasso Trigger)
• Rhinecanthus Verrucosus (Blackbelly Triggerfish)
• Xanthichthys Auromarginatus (Gilded Triggerfish, Blue Chin Triggerfish, Blue Throat Triggerfish)
• Xanthichthys Caeruleolineatus (Bluelined Triggerfish, Gold Back Triggerfish)
• Xanthichthys Mento (Redtail Triggerfish)

Recommended reading

• Saltwater aquarium heater
• Saltwater aquarium lights
• Saltwater aquarium filters
• Saltwater tank aeration
• Marine fish diseases
• Protein Simmers in the Saltwater Tank
• Setting up a Saltwater Tank
• Saltwater Fish Tanks
• Cleaner Shrimp
• Pajama Cardinals

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