Specimen Information

Craspedacusta sowerbii
Craspedacusta sowerbii
(freshwater jellyfish)
Coelenterates-Hydrozoans
Exotic

Specimen ID155439
GroupCoelenterates-Hydrozoans
GenusCraspedacusta
Speciessowerbii
Common Namefreshwater jellyfish
StateNV
CountyClark
LocalityLake Mead National Recreation Area
Mapping AccuracyAccurate
HUC8 NameLake Mead
HUC8 Number15010005
HUC10 NameValley of Fire Wash-Virgin River
HUC10 Number1501000509
HUC12 NameSaint Thomas Wash-Virgin River
HUC12 Number150100050901
Map
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Collection Year1967
Year AccuracyPublication Year
Potential Pathwayhitch hiker with stocked fish
Statusunknown
Reference 1
Ref. Number:13191
Author:Deacon, J.E., and W.L. Haskell
Date:1967
Title:Observations on the Ecology of the Freshwater Jellyfish in Lake Mead, Nevada.
Journal:American Midland Naturalist
Volume:78
Issue:1
Pages:155-166
CommentsDeacon and Haskell (1967) studied C. sowerbyi in Lake Mead 25 Oct 1962 - 25 Jan 1963 and noted the following: medusa 1st appeared on June of 1962, became abundant in late Sept and disappeared the end of Jan 1963. They surmised that water temps below 60 degrees Fahrenheit correlated with C. sowerbyi disappearance.
Record TypeLiterature
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/25/2024].

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