Hydrozoa |
Trachymedusae |
Rhopalonematidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic; depth range 0 - 1000 m (Ref. 116114). Polar
Antarctic, Atlantic, Indo-Pacific and Arctic Oceans: Mexico, Brazil, Canada and USA. Mostly polar, but also in subtropical and boreal.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 4.5 cm WD male/unsexed; (Ref. 2992)
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: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet
Food consumption
Ration
Predators
Population dynamicsGrowth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.