Ecology Summary - Octopus insularis

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Ecology of Octopus insularis

Main Ref.	Rosenberg, G., 2009
Remarks	Common in coastal Northeastern Brazil and its oceanic islands (Ref. 104094). Found on bedrock and gravel, regardless of the presence of algae (Ref. 96968). Also occurs on sand beds, rocky bottoms (Ref. 104094) and crevices on hard substrates (Ref. 104098).

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 Octopus insularis may be found.

Habitat

Substrate	Benthic: mobile; demersal; Soft Bottom: sand; Hard Bottom: rocky; rubble;
Substrate Ref.	Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn, 2014
Special habitats	Coral Reefs;
Special habitats Ref.	Jereb, P., C.F.E. Roper, M.D. Norman and J.K. Finn, 2014

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Leite, T.S., M. Haimovici and J. Mather, 2009
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Leite, T.S., M. Haimovici and J. Mather, 2009

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	3.68	0.38			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.