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Ecology Summary - Sagitta helenae
SeaLifeBase
Ecology of Sagitta helenae
 
Main Ref. Pierce, E.L., 1958
Remarks Epiplanktonic, neritic, outer continental shelf. Hypersaline specialist (Ref. 116105). Mean latitude of occurrence = 16 (NS); No known presence in China (Ref. 125708).

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 Sagitta helenae may be found.

Habitat

Substrate Pelagic;
Substrate Ref. Pauly, D., C. Liang, W. Xian, E. Chu and N. Bailly, 2021
Special habitats
Special habitats Ref.

Associations

Ref. Pierce, E.L., 1958
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type mainly animals (troph. 2.8 and up)
Feeding type Ref. Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004
Feeding habit hunting macrofauna (predator)
Feeding habit Ref. Ruppert, E.E., R.S. Fox and R.D. Barnes, 2004

Trophic Level(s)

Estimation method original sample unfished population Remark
Troph s.e. Troph s.e.
From diet composition
From individual food items
Ref.
(e.g. 9948)
(e.g. cnidaria)
Comments & Corrections
 
 
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