Sagittoidea |
Phragmophora |
Spadellidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthopelagic; depth range 1000 - 1000 m (Ref. 1808). Temperate; 36°N - 34°N, 137°E - 139°E
Northwest Pacific: Japan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.2 cm BL male/unsexed; (Ref. 3682)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | 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. and X. Moreau. 2005. (Ref. 1808)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet
Food consumption
Ration
Predators
Population dynamicsGrowth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.