Ecology of Entosphenus macrostomus
 
Main Ref. Coker, G.A., C.B. Portt and C.K. Minns, 2001
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Entosphenus macrostomus may be found.
Remarks Spawns on shallow gravel bars in freshwater lakes or the mouths of creeks flowing into lakes. Ammocoetes larvae occur in silt, mud, or sand in quiet water (Ref 5723). Parasitic (Ref. 52559). Up to three adults have been recorded attached to a host. Adults are known experimentally to be able to survive in salt water, but apparently remain in fresh water despite the absence of barriers preventing access to the sea. Adults in spawning readiness collected from shallow gravel bars between 1 June and 23 August (Ref. 89241).

Substrate

Substrate Soft Bottom: sand; mud; Hard Bottom;
Substrate Ref. Page, L.M. and B.M. Burr, 1991
Special habitats
Special habitats Ref.

Associations

Ref. Renaud, C.B., 2011
Associations parasitism;
Associated with
Association remarks Wounds produced known to penetrate deeply into the musculature or even reach the body cavity of hosts. Between 50 and 80% of fishes, mostly salmonids, in Lake Cowichan and Mesachie Lake show evidence of attacks from this lamprey, and based on the severity of the wounds inflicted, an estimated 15% of these attacks would probably result in the death of the host (Ref. 89241).
Parasitism outside host ((Oncorhynchus clarkia and O. kisutch)

Feeding

Feeding type
Feeding type ref
Feeding habit feeding on a host (parasite)
Feeding habit ref Renaud, C.B., 2011
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items
(e.g. 346)
(e.g. cnidaria)
Entered by OrtaƱez, Auda Kareen on 06.20.07
Modified by Hilomen, Teresa on 10.21.13
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