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 NEAT (North East Atlantic Taxa): South Scandinavian marine "Aschelminth" (except Nematoda, which are treated separately and some other species poor phyla Check-List. Internet pdf Ed., http://www.tmbl.gu.se (Ref. 429)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 15.9 - 28.2, mean 24.7 (based on 1746 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
