Ecology Summary - Cantherhines dumerilii

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Main Ref.	Randall, J.E., 1985
Remarks	Inhabits offshore coral reefs usually solitary or in pairs (Ref. 5503, 48637). Common in surface waters around oceanic islands (Ref. 9318). A shy species, usually retreating quickly into caves or large crevices of the reef (Ref. 48637). Juveniles are pelagic, seen under floating objects (Ref. 9318). Feeds on tips of branching corals, algae, sponges, sea urchins, and mollusks (Ref. 1602). Has powerful jaws and strong teeth, with which it bites off chunks of the skeletal rock that includes many polyps (Ref. 59308).

Main Ref.

Randall, J.E., 1985

Remarks

Inhabits offshore coral reefs usually solitary or in pairs (Ref. 5503, 48637). Common in surface waters around oceanic islands (Ref. 9318). A shy species, usually retreating quickly into caves or large crevices of the reef (Ref. 48637). Juveniles are pelagic, seen under floating objects (Ref. 9318). Feeds on tips of branching corals, algae, sponges, sea urchins, and mollusks (Ref. 1602). Has powerful jaws and strong teeth, with which it bites off chunks of the skeletal rock that includes many polyps (Ref. 59308).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	estuaries/lagoons/brackish seas mangroves marshes/swamps	rivers/streams lakes/ponds caves exclusively in caves

Highighted items on the list are where Cantherhines dumerilii may be found.

Habitat

Substrate	Hard Bottom: rocky;
Substrate Ref.	Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004
Special habitats	Coral Reefs;
Special habitats Ref.	Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Randall, J.E., 1985
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Myers, R.F., 1991

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	3.07	0.33			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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