Sagittoidea |
Phragmophora |
Heterokrohniidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Bathypelagic; depth range 4000 - 4000 m (Ref. 3682). Temperate; 21°N - 19°N, 23°W - 21°W
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Eastern Central Atlantic.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.3 cm BL male/unsexed; (Ref. 3682)
Depth based on type locality (Ref. 3682); to be replaced with a better reference. Abyssal. Depth estimate based on ecology (Ref. 106128). Benthopelagic; Mean latitude of occurrence = 20 (N); No known presence 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).
Pierrot-Bultz, A. 2004. (Ref. 3682)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet composition
Food consumption
Food rations
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profiles
Stamps, coins, misc.
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.