Ecology Summary - Mordacia mordax

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Main Ref.	Renaud, C.B., 2011
Remarks	Adults inhabit the sea for an undetermined period and are parasitic on fishes; enter freshwater to breed. Majority of adulthood is spent in estuaries or at sea. Upstream spawning migrants occur in fast-flowing sections of rivers with a mud, sand or silt substrate, sometimes seen congregated below barriers to upstream movement such as weirs. Ammocoetes live in slow-flowing streams, burrowed in mud or silt (Ref. 44894).

Main Ref.

Renaud, C.B., 2011

Remarks

Adults inhabit the sea for an undetermined period and are parasitic on fishes; enter freshwater to breed. Majority of adulthood is spent in estuaries or at sea. Upstream spawning migrants occur in fast-flowing sections of rivers with a mud, sand or silt substrate, sometimes seen congregated below barriers to upstream movement such as weirs. Ammocoetes live in slow-flowing streams, burrowed in mud or silt (Ref. 44894).

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 Mordacia mordax may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.	Renaud, C.B., 2011
Associations	parasitism;
Associated with	This species parasitizes fishes of commercial importance in lakes of varying salinity (Acanthopagrus butcheri and Aldrichetta forsteri) and marine waters (Thyrsites atun) in southeastern Australia.
Association remarks
Parasitism	outside host

Feeding

Feeding type
Feeding type Ref.
Feeding habit	feeding on a host (parasite)
Feeding habit Ref.	Renaud, C.B., 2011

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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