Ecology of Esox niger
 
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
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 Esox niger may be found.
Remarks Live in vegetated lakes, swamps, and backwaters and quiet pools of creeks and small to medium rivers (Ref. 26373, 10294). Also found in deep, cold water with little or no vegetation (Ref. 39109, 39108). Adults migrate to deeper water during winter (Ref. 39110, 39097, 39111) undertaking shoreward spawning migrations soon after spring ice disappears (Ref. 39109). Juveniles tend to lie motionless near shore or burrow themselves in mud beneath debris (Ref. 39112). Larvae hide among vegetation (Ref. 39113). Young feed on insects and crustacea (Ref. 10294).

Substrate

Substrate : mud;
Substrate Ref. DeJeane, J.A., 1951
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type ref Flemer, D.A. and W.S. Woolcott, 1966
Feeding habit hunting macrofauna (predator)
Feeding habit ref Flemer, D.A. and W.S. Woolcott, 1966
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 3.29 0.46 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sampang-Reyes, Arlene G. on 08.15.01
Modified by OrtaƱez, Auda Kareen on 11.13.07
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