Common Name: Rectangle Triggerfish

Species Name: Rhinecanthus rectangulus (Bloch & Schneider, 1801)


Range: Indo-Pacific Ocean: Red Sea to South Africa, southern Japan, Indonesia, Marquesan Islands, Lord Howe Islands


Size: Up to 10 in (25 cm)


Natural Environment: Inhabit shallow reef areas, often in intertidal zones


General Husbandry: Has a temperature range of 72 - 81°F (22 - 27°C) and has a natural diet of zooplankton, small fishes, and benthic invertebrate. Requires a meaty diet, including fortified brine shrimp, mysis, chopped fish or shrimp flesh, and meaty type frozen carnivore foods with two or three feedings per day. May be fairly peaceful as a juvenile, yet can get more aggressive with age. Minimum sized aquarium should be about 50 gallons.


Aquarium Suitability: * *


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* - Suited for the reef aquarium;
** - Better suited for the fish-only aquarium;
*** - Better left in nature;
**** - Needing an aquarium larger than 125 gallons; and,
***** - Needing their own private environment/special tankmates.