Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 685 m (Ref. 116105). Temperate; 45°N - 37°N, 98°W - 20°W
Western Atlantic and west coast of Africa: USA, Brazil and India.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 1.1 cm BL hane/ej könsbestämd; (Ref. 3682)
Only planktonic species raised successfully in laboratories (Ref. 2255). Neritic (Ref. 3682), on bay and nearshore (Ref. 116105). Epipelagic (Ref. 116105). Mean latitude of occurrence = 41 (N); No known presence in China (Ref. 125708).
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).
Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum. 2005. (Ref. 19)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
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): 22.4 - 27.5, mean 25.8 (based on 125 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.