Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 0 - 3000 m (Tài liệu tham khảo 1812). Temperate; -2°C - 17°C (Tài liệu tham khảo 1705); 80°N - 76°S, 0°E - 0°E
Arctic, Atlantic, Indo-Pacific and the Antarctic. Common in Southeast Pacific.
Length at first maturity / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ?  range ? - ? cm Max length : 4.3 cm BL con đực/không giới tính; (Tài liệu tham khảo 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
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | 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 (Tài liệu tham khảo 429)
IUCN Red List Status
(Tài liệu tham khảo 130435: Version 2025-1)
CITES status (Tài liệu tham khảo 108899)
Not Evaluated
CMS (Tài liệu tham khảo 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
Các công cụ
Thêm thông tin
Life cycleSự tái sinh sảnChín muồi sinh dụcSự sinh sảnĐẻ trứngEggsEgg developmentLarvae PhysiologyThành phần ô-xy
Human RelatedStamps, coins, misc.
Các nguồn internet
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.