Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Bentopelagisk; djupintervall 3600 - 3600 m (Ref. 3682). Tropical; 34°N - 32°N, 13°W - 10°W
Distribution
Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar
Eastern Atlantic: off northwest Africa to the northeast Atlantic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 0.6 cm BL hane/ej könsbestämd; (Ref. )
Benthopelagic; Mean latitude of occurrence = 33 (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).
Casanova, J.-P. 1994 Three new rare Heterokrohnia species (Chaetognatha) from deep benthic samples in the northeast Atlantic. Proceedings of the Biological Society of Washington. 107(4):743-750. (Ref. 1714)
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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
