Sagittoidea |
Phragmophora |
Spadellidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthopelagic. Deep-water; 36°N - 34°N, 118°E - 121°E
Northwest Pacific: Japan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.6 cm BL male/unsexed; (Ref. )
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).
Miyamoto, H. and S. Nishida. 2011. (Ref. 91364)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
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).