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Rectangle Trigger
Rectangle Trigger


Your live fish may not match the image shown due to natural variations in each species. Each companion animal is different in shape, color, and personality.

Rectangle Trigger

Rectangle Trigger (aka Humu Rectangle Trigger)

The Rectangle Trigger, or the Humu Rectangle Trigger is also known in Hawaiian as Humu-humu-nuku-nuku-kua-puaa. This species tends to rearrange rocks and substrate to its liking no matter how often the aquarist rearranges any rocks. May be kept with other triggerfish, just not with other Rectangle Triggers. This fish also has the personality of a canine, vocalizing with a grunting sound. When fully grown, the Humu Rectangle Trigger makes a great centerpiece for larger tanks with aggressive fish.

Rectangle Trigger

Internet Price: $28.49 - $55.99   Today's Price: $21.36 - $41.99  (Save up to 25%)

Temperament: Aggressive

Reef Safe: No

Family: Balistidae

Native To: Maldives, Tahiti, Fiji

Diet: Carnivore

Adult Size: Up to 12"

Temperature: 72-78° F

Water Parameters: 8-12, sg 1.020-1.025, pH 8.1-8.4

Care Level: Easy

Tank Size: 70+ gallons

Scientific Name: Rhinecanthus rectangulus

Environment: Marine

  • Also known as the Humu Rectangle Trigger, or in Hawaiian, Humu-humu-nuku-nuku-kua-puaa
  • Known to rearrange rocks and substrate to its own accord
  • Has the personality of a canine and even grunts to make sounds

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Store Prices Vary

1"-2" Length
SKU: 1038222

Rectangle Trigger - Small
$28.49 $21.36
Qty:

2"-3.5" Length
SKU: 1038230

Rectangle Trigger - Medium
$37.99 $28.49
Qty:

3.5"-5" Length
SKU: 1038249

Rectangle Trigger - Large
$55.99 $41.99
Qty:

Store Prices Vary

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