Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 2000 m (Ref. 1812), usually 0 - 600 m (Ref. 1812). Temperate; 5°C - 14°C (Ref. 1812); 75°N - 73°S, 0°E - 0°E
Circumglobal.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 9.0 cm BL hane/ej könsbestämd; (Ref. 2255)
One of the largest chaetognaths (Ref. 2255). Maximum depth reported taken from Ref. 116364. Inhabits mesopelagic (Refs. 116362, 116365) to bathypelagic zones (Ref. 3682).
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).
Pierrot-Bultz, A.C. and K.C. Chidgey 1988 Chaetognatha: keys and notes fro the identification of the species. Synopses of the British Fauna (New Series). (39):72 p. (Ref. 2255)
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)FödosammansättningFödointagPredatorer 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): 1.8 - 12.9, mean 7.2 (based on 5397 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
