Spring Food Habits of Corydalus Cornutus L. in the Brazos River, Texas

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Description

The objective of this study was to determine the kinds and numbers of food organisms consumed by Corydalus cornutus, and to investigate its periodicity of feeding during the spring months in the Brazos River, Palo Pinto County, Texas. A total of 468 larvae were collected at two-week intervals from February 29 to May 14, 1971. Larvae were taken at opportunity during three periods of the day, 6am.-12pm., 12pm.-6pm., and 6pm.-12am. A total of 23 different food items was observed in the 121 stomachs containing food. An expedient method of dissection of the digestive tract is included.

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[iv], 13 leaves

Creation Information

Friday, Gary P. August 1971.

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  • Friday, Gary P.

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Description

The objective of this study was to determine the kinds and numbers of food organisms consumed by Corydalus cornutus, and to investigate its periodicity of feeding during the spring months in the Brazos River, Palo Pinto County, Texas. A total of 468 larvae were collected at two-week intervals from February 29 to May 14, 1971. Larvae were taken at opportunity during three periods of the day, 6am.-12pm., 12pm.-6pm., and 6pm.-12am. A total of 23 different food items was observed in the 121 stomachs containing food. An expedient method of dissection of the digestive tract is included.

Physical Description

[iv], 13 leaves

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UNT Theses and Dissertations

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  • August 1971

Start & End Dates

  • February 29, 1971 - May 14, 1971

Added to The UNT Digital Library

  • Dec. 27, 2012, 10:03 p.m.

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  • Dec. 3, 2013, 11:19 a.m.

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Citations, Rights, Re-Use

Friday, Gary P. Spring Food Habits of Corydalus Cornutus L. in the Brazos River, Texas, thesis, August 1971; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc131411/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .