Sagittoidea | Aphragmophora
Environment: milieu / climate zone / depth range / distribution range
Pelagic; depth range 0 - 25 m (Ref. 1799), usually 0 - 25 m (Ref. 1799). Polar; -1°C - 21°C (Ref. 1705); 82°N - 30°N, 0°E - 0°E
Circum-Arctic. Temperate to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 3.0 cm BL male/unsexed; (Ref. 3682)
Mean latitude of occurrence = 56 (N); No known presence in China (Ref. 125708). Epiplanktonic. Feeds on copepods and fish larvae.
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).
Pierrot-Bultz, A. 2004. (Ref. 3682)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
): 0.2 - 12.3, mean 2.6 (based on 2107 cells).
Low vulnerability (20 of 100)