Sagittoidea |
Aphragmophora |
Pterosagittidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 0 - 677 m (Ref. 116105). Temperate; 45°N - 48°S, 98°W - 175°W
Cosmopolitan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.6 cm BL male/unsexed; (Ref. 8281)
Minimum depth from Ref. 1715. Inhabits upper layers of all temperate and tropical oceanic waters (Ref. 2255). Epipelagic (Ref. 116362, 116365) and mesopelagic (Ref. 3682). Also in the outer continental shelf (Ref. 116105).
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).
Hansson, H.G. 1998. (Ref. 429)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Age/SizeGrowthLength-weightLength-lengthMorphologyLarvaeAbundance
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 15.9 - 28.2, mean 24.7 (based on 1746 cells).
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.