Hydrozoa |
Trachymedusae |
Rhopalonematidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Pelagic. Subtropical
Southeast Pacific, Southwest Atlantic, and Antarctic: Brazil, South Georgia and Antarctica. Subtropical to polar.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 3.0 cm WD male/unsexed; (Ref. 2992)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Trachymedusae include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa.
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
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Tools
More information
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.