Ecology Summary - Illex coindetii

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Ecology of Illex coindetii

Main Ref.	Schneider, W., 1990
Remarks	Neritic, oceanic (Ref. 91956). Inhabits muddy, sandy and detritic bottoms covered with Funiculina spp. (Ref. 2453) in middle and lower sub-littoral and upper bathyal zones in temperate latitudes. In general, juveniles and adults share the same depth range throughout the year; many large individuals can be found in deeper waters (Ref. 64257). Performs diel vertical movements (Ref. 275) as well as seasonal migrations (Ref. 64257). Opportunistic predator (Ref. 2450, 64257), feeding on the most abundant prey available, even consuming tunicates (Ref. 64257). Mainly feeds on fish, crustaceans and cephalopods (Refs. 2450, 64257). Comes very close to the seabed but was observed to mainly feed on prey swimming off the bottom (Ref. 64257). Exhibits cannibalism (Ref. 2482).

Main Ref.

Schneider, W., 1990

Remarks

Neritic, oceanic (Ref. 91956). Inhabits muddy, sandy and detritic bottoms covered with Funiculina spp. (Ref. 2453) in middle and lower sub-littoral and upper bathyal zones in temperate latitudes. In general, juveniles and adults share the same depth range throughout the year; many large individuals can be found in deeper waters (Ref. 64257). Performs diel vertical movements (Ref. 275) as well as seasonal migrations (Ref. 64257). Opportunistic predator (Ref. 2450, 64257), feeding on the most abundant prey available, even consuming tunicates (Ref. 64257). Mainly feeds on fish, crustaceans and cephalopods (Refs. 2450, 64257). Comes very close to the seabed but was observed to mainly feed on prey swimming off the bottom (Ref. 64257). Exhibits cannibalism (Ref. 2482).

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 Illex coindetii may be found.

Habitat

Substrate	Benthic: mobile; demersal; Pelagic; Soft Bottom: sand; silt; mud; ooze ( detritus );
Substrate Ref.	Mangold-Wirtz, K., 1963
Special habitats
Special habitats Ref.

Associations

Ref.	Schneider, W., 1990
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Rosas-Luis, R., R. Villanueva and P. Sánchez, 2014
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Rosas-Luis, R., R. Villanueva and P. Sánchez, 2014

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition	3.94	0.65			Troph of juv./adults.
From individual food items	4.34	0.87			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.	Rosas-Luis, R., R. Villanueva and P. Sánchez, 2014

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