Ecology Summary - Thalassina anomala

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Ecology of Thalassina anomala

Main Ref.	Holthuis, L.B., 1991
Remarks	It lives in the littoral and supralittoral zones, where it digs its burrows. It is found in mangrove areas and estuaries; the excavated mud forms a kind of chimney or mound over the openings of the burrows, and because of their height form a most conspicuous feature in the landscape. The chimneys can be 75 cm high, but sometimes several chimneys together can form complex hills of mud up to 1.5 m high. The burrows go down vertically or obliquely to the water level after which they make zigzags and side branches; the depths of the burrows has been estimated to be up to 2.5 m. They are rarely seen out of their burrows, not even at night, but it seems that after heavy rainfall they may venture outside. They are sluggish and are definitely mud feeders. Their burrowing activities usually take place at night (Ref. 4).

Main Ref.

Holthuis, L.B., 1991

Remarks

It lives in the littoral and supralittoral zones, where it digs its burrows. It is found in mangrove areas and estuaries; the excavated mud forms a kind of chimney or mound over the openings of the burrows, and because of their height form a most conspicuous feature in the landscape. The chimneys can be 75 cm high, but sometimes several chimneys together can form complex hills of mud up to 1.5 m high. The burrows go down vertically or obliquely to the water level after which they make zigzags and side branches; the depths of the burrows has been estimated to be up to 2.5 m. They are rarely seen out of their burrows, not even at night, but it seems that after heavy rainfall they may venture outside. They are sluggish and are definitely mud feeders. Their burrowing activities usually take place at night (Ref. 4).

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 Thalassina anomala may be found.

Habitat

Substrate	Benthic;
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.	Holthuis, L.B., 1991
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type
Feeding type Ref.
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
Ref.

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