Sagittoidea |
Phragmophora |
Spadellidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
बेनथोपिलाजिक. Subtropical; 36°N - 32°N, 128°E - 142°E
Northwest Pacific: Japan.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 0.4 cm BL पुल्लिंग / अलिंग; (संदर्भ 3682)
Benthopelagic; Mean latitude of occurrence = 34 (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. 1993 Spadella japonica, a new coastal benthic chaetognath from Japan. Proceedings of the Biological Society of Washington 106(2):359-365. (संदर्भ 3644)
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).
