Ecology Summary - Clypeaster humilis

Ecology Summary - Clypeaster humilis

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Ecology of Clypeaster humilis

Main Ref.	Mahadevan, S. and K.N. Nayar, 1974
Remarks	Found on fine sand that is superficially muddy, on sand between coarse and fine grade, and on plain coarse sand (Refs. 103193, 129602). Genus Clypeaster feeds by crushing sand-sized particles and producing finer sediments (Refs. 108727, 129602). Burrows in coarse or fine sediment (Ref. 129602).

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 Clypeaster humilis may be found.

Habitat

Substrate	Benthic: mobile; Soft Bottom: sand ( coarse, fine, ); mud;
Substrate Ref.	Mahadevan, S. and K.N. Nayar, 1974
Special habitats	Other habitats: burrows;
Special habitats Ref.	Claereboudt, M.R., 2019

Associations

Ref.	Claereboudt, M.R., 2019
Associations	parasitism;
Associated with	Eulimidae.
Association remarks
Parasitism	outside host (Members of Eulimidae pierce through the test to extract internal fluids.)

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Ausich, W.I. and GD. Webster, 2008
Feeding habit
Feeding habit Ref.

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	2.00	0.00			Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.

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