Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 0 - 100 m (Ref. 3630). Subtropical
Distribution
Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar
Northwest Pacific: Bering Sea.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm
Members of the genus have epipelagic and mesopelagic depths (Ref. 62019). Depth estimate based on ecology.
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).
Kasatkina, A.P. and M.V. Stolyarova 2006 Two new genera (Paraeukrohnia and Praeukrohnia) and four new species of arrowworms (Chaetognatha) from the southwestern Bering Sea. Russian Journal of Marine Biology 32(3):150-156. (Ref. 3630)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models