Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 200 m (Ref. 83943). Temperate; 45°N - 48°S, 16°E - 165°E
Indo-Pacific.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 1.0 cm BL hane/ej könsbestämd; (Ref. 8281)
This is an epipelagic species (Refs. 83943, 116365). Chaetognaths are active carnivores, feeding mostly on copepods, crustacean larvae and other chaetognaths, and occasionally on forams and fish larvae (Ref. 81541).
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).
Lutschinger, S. 1993 The marine fauna of New Zealand: Chaetognatha (arrow worms). NIWA Oceanographic NZOI Memoir 101. (Ref. 8281)
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): 21.8 - 28.4, mean 26.9 (based on 637 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
