Sagittoidea |
Phragmophora |
Eukrohniidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Bathypelagic; depth range 200 - 3000 m (Ref. 116105). Temperate; 80°N - 0°N, 98°W - 18°W
Cosmopolitan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.3 cm BL male/unsexed; (Ref. 3682)
Maximum depth reported taken from Ref. 116364. This species is found from mesopelagic to bathypelagic depths (Refs. 83943, 116105). Mean latitude of occurrence = 40 (N); Present in China (Ref. 125708).
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
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 0.3 - 7.4, mean 3.9 (based on 1125 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.