Sagittoidea |
Phragmophora |
Spadellidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthopelagic. Tropical; 30°N - 20°S, 90°W - 38°W
Western Central Atlantic: Tobago.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 0.3 cm BL male/unsexed; (Ref. 3682)
Benthic, neritic (Ref. 3682). Mean latitude of occurrence = 12.5 (NS); 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).
McLelland, J.A., R.W. Heard and J.D. Hardy Jr. 1992 Arrow worms (Chaetognatha) from the near-shore waters of Tobago. Caribbean Marine Studies 3:33-40. (Ref. 3667)
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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
