Hydrozoa |
Trachymedusae |
Rhopalonematidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 0 - 3380 m (Ref. 119523). Polar
Atlantic, Pacific, Arctic Oceans and the Mediterranean. Subtropical to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 4.0 cm WD male/unsexed; (Ref. 2992)
Vertical migrator, penetrating into the upper mesopelagic in the day and returning to the surface at night; feeds on copepods (Ref. 2376).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Species listed only in medusoid stage (Ref. 1663, p. 29).
Migotto, A.E., A.C. Marques, A.C. Morandini and F.L. da Silveira. 2002. (Ref. 813)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Age/SizeGrowthLength-weightLength-lengthMorphologyLarvaeAbundance
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.