Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
बेनथोपिलाजिक; गहराई सीमा 2400 - 2400 m (संदर्भ 3682). Temperate; 46°N - 43°N, 4°W - 1°W
Northeast Atlantic: Bay of Biscay.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 1.2 cm BL पुल्लिंग / अलिंग; (संदर्भ 3682)
Depth based on type locality (Ref. 3682); to be replaced with a better reference. Bathypelagic (Ref. 3682). Benthopelagic; Mean latitude of occurrence = 44.5 (N); No known presence in China (Ref. 125708).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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. (संदर्भ 1714)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
साधन
अधिक जानकारी
Trophic EcologyFood items (preys)
संघटक आहार
आहार खपत
परभक्षी
Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
