Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Batypelagisk; djupintervall 200 - 5000 m (Ref. 116105). Temperate; 5°C - 8°C (Ref. 1812); 64°N - 20°S, 98°W - 0°E
Cosmopolitan.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 2.2 cm BL hane/ej könsbestämd; (Ref. 3682)
Maximum depth from Ref. 83318. Inhabits deep mesopelagic and bathypelagic zones (Refs. 3682, 83943, 116105, 116362, 116365) (Ref. 429).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the phylum Chaetognatha are hermaphroditic. Mating behavior: A preliminary visual signaling behavior for species recognition is observed to prevent predation. Life cycle: Eggs directly develop into miniature adults (hatchlings).
Hansson, H.G. 1998 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se (Ref. 429)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 2.2 - 4.8, mean 3.3 (based on 2782 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
