Bullfrog food and growth at the San Joaquin Experimental Range, California

Author(s)
Cohen, Nathan W. and Walter E. Howard
Year
Article Title
Bullfrog food and growth at the San Joaquin Experimental Range, California
Volume
1958
Pages
223-225
Start Page Number
223
Final Page
225
Review

Datapoints

Displaying 1 - 3 of 3 datapoints.
Species: Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range Type
Dietary Composition % of stomachs in which food item was present at least once, frog weight range 10 - 200 g Coleoptera (43.6%), Notonectidae (10.3%), Diptera (6.6%), Hymenoptera (6.3%), Locustidae (6.0%), Ephemeroptera (4.3%), Gryllidae (4.3%), Protura (3.3%), Chironomidae (2.6%), Culicidae (2.0%), Lepidoptera (1.3%), Odonata (0.3%), Gerridae (0.3%), Mantidae (0.3%), Sepsidae (0.3%), Unidentified parts (21.3%), Decomposed tissue (18.0%), Spiders (16.0%), Rocks, grass, leaves (22.0%), Chitinous material (10%), Snails, Planorbid (9.0%), Frogs (5.6%), Snails, Physid (4.7%), Small fish (4.3%), Unknown vertebrates (2.3%), Tadpoles (1.3%), Salamander (1.0%), Feathers (1.0%), Worms (0.6%), Egg sack (0.3%), Rabbit pellet (0.3%), Peromyscus (0.3%) 300 Not Reported San Joaquin Experimental Range, O'Neals Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning time to complete from egg through metamorphosis 300 mo Not Reported San Joaquin Experimental Range, O'Neals 6 - 7 Exposure Factor Datasets
Body Weight - Mean 300 g Not Reported San Joaquin Experimental Range, O'Neals 15 - 200 Exposure Factor Datasets

Comment

Please let us know if the information on this page is helpful for you. Enter your comment and leave your email address if you would like to receive a response. Thank you!
OEHHA is subject to the California Public Records Act and other laws that require the release of certain information upon request. If you provide comments, please be aware that your name, address and e-mail may be available to third parties. In addition, all public comments will be posted on our web site upon the close of the comment period.
OEHHA California Office of Environmental Health Hazard Assessment