Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 677 m (Ref. 83318), usually 0 - 300 m (Ref. 2255). Temperate; 67°N - 48°S, 98°W - 175°E
Cosmopolitan.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 7.0 cm BL hane/ej könsbestämd; (Ref. 2255)
Maximum depth from Ref. 116105. Oceanic epiplanktonic (Ref. 3702); epipelagic to shallow mesopelagic waters (Refs. 429, 83943, 116362, 116365). Hypersaline specialist (Ref. 116105).
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
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 15.6 - 29, mean 27 (based on 7746 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.