Sagittoidea |
Aphragmophora |
Sagittidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 0 - 500 m (Ref. 1715), usually ? - 276 m (Ref. 1715). Temperate; 51°N - 48°S, 98°W - 180°E
Circumglobal in warm and temperate waters.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.5 cm BL male/unsexed; (Ref. 3682)
Oceanic (Ref. 3702), epiplanktonic, warm-water chaetognath (Refs. 1672, 3702). Semi-neritic (Ref. 116105). Epipelagic (Ref. 116365).
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).
Bieri, R. 1959. (Ref. 1715)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 12.6 - 27.4, mean 19.8 (based on 1680 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.