Specimen Information

Daphnia lumholtzi
Daphnia lumholtzi
(a waterflea)
Crustaceans-Cladocerans
Exotic

Specimen ID156896
GroupCrustaceans-Cladocerans
GenusDaphnia
Specieslumholtzi
Common Namea waterflea
StateCA
CountySan Joaquin
LocalityMiddle River (San Joaquin River) at Mildred Island [~8 mi. W of Stockton, CA]
Mapping AccuracyAccurate
HUC8 NameSan Joaquin Delta
HUC8 Number18040003
HUC10 NameMiddle River-San Joaquin River
HUC10 Number1804000309
HUC12 NameMiddle River-San Joaquin River
HUC12 Number180400030906
Map
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Collection Day5
Collection Month9
Collection Year2001
Year AccuracyActual
Potential Pathwayhitch hiker with stocked fish
Statuscollected
Reference 1
Ref. Number:13549
Author:Brown, R.L. (Ed.).
Date:2002
Title:Interagency Environmental Program (IEP) Newsletter.
Publisher:California Dept of Water Resources, Sacramento.
Volume:15
Issue:1
Pages:4
CommentsOnly 1 of 52 samples collected in August and September contained a specimen.
Record TypeLiterature
Earliest Recordcounty
Freshwater/MarineFreshwater
Number Collected1
Size3.2 mm


Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/24/2020].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.