Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; εύρος βάθους 0 - 3000 m (Αναφ. 1812). Temperate; -2°C - 17°C (Αναφ. 1705); 80°N - 76°S, 0°E - 0°E
Arctic, Atlantic, Indo-Pacific and the Antarctic. Common in Southeast Pacific.
Length at first maturity / Μέγεθος / Weight / Age
Γεννητική Ωρίμανση: Lm ?  range ? - ? cm Max length : 4.3 cm BL αρσενικό/απροσδιόριστο; (Αναφ. 2255)
Bipolar distribution with tropical submergence. Epipelagic in high latitudes and mesopelagic (Ref. 116362) or bathypelagic (Ref. 116365) in lower latitudes (Ref. 2255). Found at depths between 50 and 200 m during winter and spring and below 200 m during summer and autumn (Ref. 1812).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | 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).
Hansson, H.G. 1998 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se (Αναφ. 429)
IUCN Red List Status
(Αναφ. 130435: Version 2025-1)
CITES status (Αναφ. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Εργαλεία
Περισσότερες πληροφορίες
Τροφική ΟικολογίαFood items (preys)Σύσταση δίαιταςΚατανάλωση τροφήςΘηρευτές Life cycleΑναπαραγωγήΓεννητική ΩρίμανσηΓονιμότηταΓεννοβολίαEggsEgg developmentLarvae PhysiologyΚατανάλωση οξυγόνου
Human RelatedStamps, coins, misc.
Διαδικτυακές πηγές
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 5.6, mean 1.6 (based on 2391 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.