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Patrick Kroboth

Patrick is a Fish Biologist at the Columbia Environmental Research Center.

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Black carp

Black Carp Biology, Status, and Selective Toxic Bait Development

Black Carp (Mylopharyngodon piceus) is the largest of the four non-indigenous carp species, reaching sizes well in excess of 100 pounds. CERC scientists, in cooperation with federal and state partners, are studying the biology of black carp and developing tools to control the spread of this non-indigenous species.
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Columbia Environmental Research Center
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Black Carp Biology, Status, and Selective Toxic Bait Development

Black Carp (Mylopharyngodon piceus) is the largest of the four non-indigenous carp species, reaching sizes well in excess of 100 pounds. CERC scientists, in cooperation with federal and state partners, are studying the biology of black carp and developing tools to control the spread of this non-indigenous species.
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Diet items consumed by wild-caught black carp (Mylopharyngodon piceus) in the U.S.

An inventory (enumeration and taxonomic identification) of diet items consumed by wild-caught black carp, based on the examination of gut contents from fish that were collected in the lower Mississippi River drainage of the U.S.
By
Columbia Environmental Research Center

Black carp and grass carp morphometric measurements

Black carp Mylopharyngodon piceus and grass carp Ctenopharyngodon idella are morphologically similar species imported from eastern Asia to North America as biological control organisms. Preferred identification methods are coloration and pharyngeal tooth form. Grass carp possess serrated teeth and black carp molariform teeth. Examination of pharyngeal teeth causes extensive damage to a specimen,
By
Columbia Environmental Research Center

Invasive black carp as a reservoir host for the freshwater mollusk parasite Aspidogaster conchicola: Further evidence of mollusk consumption and implications for parasite dispersal

Black Carp (Mylopharyngodon piceus) has invaded the Mississippi River and is a potential threat to native mollusks. During prior diet research, we discovered that the fluke Aspidogaster conchicola, a mollusk parasite, occurs regularly in the gastrointestinal tract of Black Carp. The fluke remains in fish intestines for extended periods after the fish has consumed its host. Flukes were found in 33%
By
Ecosystems, Columbia Environmental Research Center

Characteristics for the external identification of Black Carp from Grass Carp

Black Carp Mylopharyngodon piceus and Grass Carp Ctenopharyngodon idella are morphologically similar species native to eastern Asia and imported to North America as biological control organisms. Preferred identification methods are coloration and pharyngeal tooth form. Grass Carp possess serrated teeth and Black Carp molariform teeth. Examination of pharyngeal teeth causes extensive damage to a sp
By
Ecosystems, Columbia Environmental Research Center, Great Lakes Science Center

Black Carp in North America: A description of range, habitats, time of year, and methods of reported captures

Black Carp Mylopharyngodon piceus are considered invasive in North America. Since the first wild capture in 2003, collection records have increased, yet information summarizing successful collection methods is lacking. Reported capture methods throughout the Black Carp's native and introduced ranges vary providing minimal aid for determining control and monitoring methods. Here, we describe the cu
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Ecosystems, Columbia Environmental Research Center

First examination of diet items consumed by wild-caught black carp (Mylopharyngodon piceus) in the U.S.

Black carp (Mylopharyngodon piceus) were imported to the U.S. in the 1970s to control snails in aquaculture ponds and have since escaped from captivity. The increase in captures of wild fish has raised concerns of risk to native and imperiled unionid mussels given previous literature classified this species a molluscivore. We acquired black carp from commercial fishers and biologists, and examined
By
Ecosystems, Columbia Environmental Research Center, Great Lakes Science Center

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