Ecology Summary - Holothuria scabra

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Ecology of Holothuria scabra

Main Ref.	Conand, C., 1998
Remarks	Found in shallow waters, rarely in depths of more than 10 m; mostly on inner reef flats of fringing and lagoon-islets reefs, coastal areas under terrigenous influence, and near mangroves. Burrows in mud and sandy-muddy bottoms (Also Ref. 129602) where the populations can reach high densities up to 1 per square meter (Ref. 122). Found in silty sand, often near low saline areas and frequently on Cymodocea sp. beds, from the intertidal to a depth of 10 m. It buries in sand part of the day but is gregarious in nature (Ref. 118). Also found in intertidal seagrass beds (Refs. 106849, 129602). Benthic detritus feeder; assimilates organic matter from muddy sandy sediments, among other food sources (Ref. 101695).

Main Ref.

Conand, C., 1998

Remarks

Found in shallow waters, rarely in depths of more than 10 m; mostly on inner reef flats of fringing and lagoon-islets reefs, coastal areas under terrigenous influence, and near mangroves. Burrows in mud and sandy-muddy bottoms (Also Ref. 129602) where the populations can reach high densities up to 1 per square meter (Ref. 122). Found in silty sand, often near low saline areas and frequently on Cymodocea sp. beds, from the intertidal to a depth of 10 m. It buries in sand part of the day but is gregarious in nature (Ref. 118). Also found in intertidal seagrass beds (Refs. 106849, 129602). Benthic detritus feeder; assimilates organic matter from muddy sandy sediments, among other food sources (Ref. 101695).

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 Holothuria scabra may be found.

Habitat

Substrate	Benthic: mobile; Soft Bottom: sand; silt; mud; Hard Bottom;
Substrate Ref.	Conand, C., 1998
Special habitats	Beds: sea grass; Coral Reefs: reef flats; lagoons; Other habitats: burrows;
Special habitats Ref.	Conand, C., 1998

Associations

Ref.	Lane, D., 2008
Associations	symbiosis;
Associated with	Known to harbour symbiotic crabs in its ventilatory cloacal chamber (Ref. 85384).
Association remarks
Parasitism

feeding

Feeding type	plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref.	Watanabe, S., M. Kodama, J.G. Sumbing and M.J.H. Lebata-Ramos, 2013
Feeding habit	browsing on substrate
Feeding habit Ref.	Watanabe, S., M. Kodama, J.G. Sumbing and M.J.H. Lebata-Ramos, 2013

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	2.85	0.04			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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Aquatic zones / Water bodies

Habitat

Associations

feeding

Trophic Level(s)