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The reef triggerfish is recorded to make three distinct sounds that have been categorized as grinding, drumming, grunting, and snapping. [7] Attached is a recording of what drumming sounds are. [8] [9] The grinding sounds are heard when eating. This is thought to be a signal used to indicate to other reef triggerfish that the territory is theirs.
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]
Redtoothed triggerfish may inhabit reef channels or long slopes that have strong water currents. They survive by hiding under between rocks and crevices so they don't get swept away by the water currents. They also may live in the coastal shallow inshore waters at depths of around 30 – 100 feet (9 – 30 meters).
A queen triggerfish found in the coral reef around Cozumel Island, Mexico. The queen triggerfish generally resides in rocky seabed or coral reefs, but is occasionally found in sandy seabed or seagrass meadows. It could inhabit in water as deep as 275m, but is most commonly found in much shallower water no deeper than 30m. [7]
The Lei Triggerfish inhabits regions of a coral reef before a surge zone as to avoid the chaos and general dissonance within the water where waves crash. This species lives in warm shallow waters with sandy and reefy bottoms. In the presence of a predator, they hide in reef crevices and do this especially at night.
The lagoon triggerfish (Rhinecanthus aculeatus), also known as the blackbar triggerfish, the Picasso triggerfish, or the Picassofish, is a triggerfish, up to 30 cm (12 in) in length, found on reefs in the Indo-Pacific region. [2] This species has been studied in a range of research contexts, from locomotion to color vision research.
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.
Rhinecanthus is a triggerfish genus from the Indo-Pacific. They are found at reefs, and all except R. abyssus are restricted to relatively shallow depths. They are among the smallest members of the family, with no species surpassing 30 centimetres (12 in) in length. They are primarily brownish, greyish and white, and have strongly contrasingly ...