Ecology of Esox americanus
 
Main Ref. Bigelow, H.B., D.M. Cohen, M.M. Dick, R.H. Gibbs Jr., M. Grey, J.E. Morrow Jr., L.P. Schultz and V. Walters, 1964
Remarks Live in lakes, swamps, and backwaters, and sluggish pools of streams. Occur usually among vegetation in clear water (Ref. 5723, 10294). Also found in brush piles, overhanging brush or rocks and boulders in areas lacking vegetation. Rarely occur in rivers (Ref. 4639). In winter, they are found associated with dead leaf litter (Ref. 39089). Juveniles are found in flood pools and rivulets among exposed roots, twigs, leaves, and grass in 7.6-10.2 cm of water (Ref. 39088). Larvae are sometimes found in very shallow water in roadside ditches, also in dead leaf litter (Ref. 39089). Juveniles feed on invertebrates, while adults consume sunfish, darters, and minnows (Ref. 10294).

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 Esox americanus may be found.

Habitat

Substrate Hard Bottom: rocky;
Substrate Ref. Jones, P.W., F.D. Martin and J.D. Hardy Jr., 1978
Special habitats Beds: others;
Special habitats Ref. Page, L.M. and B.M. Burr, 1991

Associations

Ref. Ming, A.D., 1968
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Coker, G.A., C.B. Portt and C.K. Minns, 2001
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Coker, G.A., C.B. Portt and C.K. Minns, 2001
Trophic Level(s)
Estimation method Original sample Unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items 3.65 0.56 Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.
(e.g. 346)
(e.g. cnidaria)
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