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Titan triggerfish with orange-lined triggerfish and moorish idols at the reef of Fihalhohi, Maldives. The titan triggerfish is diurnal and solitary. It feeds on sea urchins, molluscs, crustaceans, tube worms and coral. [2] It often feeds by turning over rocks, stirring up sand and biting off pieces of branching coral.
The triggerfish family, Balistidae. was first proposed in 1810 by the French polymath Constantine Samuel Rafinesque. [4] The closest relatives to the triggerfishes are the filefishses belonging to the family Monacanthidae and these two families are sometimes classified together in the suborder Balistoidei, for example in the 5th edition of Fishes of the World. [5]
At lengths up to 1 m (39 in), the stone triggerfish ("Pseudobalistes naufragium") from the eastern Pacific is the largest triggerfish, edging out the titan triggerfish (Balistoides viridescens). [147] Dories ; The largest species of dory is the Cape dory (Zeus capensis) reaching a size of 90 cm (35 in) and a weight of 20 kg (44 lb).
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The queen triggerfish feeds on a variety of prey items, mainly on sea urchins, crabs and chitons, but also occasionally preys on shrimps, snails, bivalves, small fishes and brittle stars. [11] When feeding, it generally repeatedly bites the victim in order to crush its shell or detach it from the reef by sharp incisors.
Canthidermis maculata, also known as rough triggerfish or spotted oceanic triggerfish, is a species of triggerfish native to the tropical and subtropical oceans worldwide. Unlike most triggerfish, they are mostly pelagic. In the Philippines, it is locally called as Tikos in the Cebuano language and is abundant in the Visayas and Mindanao island ...
An ocean triggerfish, Canthidermis sufflamen, on display at the New England Aquarium in October 2023. Note the distinguishing black mark at the base of the pectoral fin. The gray triggerfish, Balistes capriscus, is similar in color to the ocean triggerfish but lacks a characteristic black marking at the base of its pectoral fins.
Pseudobalistes flavimarginatus, the Yellowmargin triggerfish, is another large triggerfish and should not be disturbed if tending to eggs. Moray eels such as the Giant moray are only occasionally aggressive; most bites result from divers putting a hand into the hole in which the eel lives.