Development of an age estimation method for Grass Carp from North America

The development of a reliable method of age estimation for Grass Carp is necessary for the successful management of this invasive species. Multiple federal and state agencies with assistance from commercial fishers collected adult Grass Carp from 2012 to 2018. Ossified parts were collected from these fish, and age estimates from them were compared to develop an age estimation method. Here we provide the data used in that effort.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:5ea6c6b782cefae35a1d8fbf
metadata_type geospatial
modified 20200925
old-spatial -96.5918, 35.7465, -75.1465, 46.9803
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash c9e3428b626d5d4e08d3665d4a73e7b15d7a6fe3
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-96.5918, 35.7465], [-96.5918, 46.9803], [ -75.1465, 46.9803], [ -75.1465, 35.7465], [-96.5918, 35.7465]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • age-estimation-methods
  • allegheny-river
  • amerigeo
  • amerigeoss
  • ashtabula-river
  • berlin-lake
  • biota
  • blackwater
  • calumet-river
  • ckan
  • cuyahoga-river
  • freshwater-ecosystems
  • geo
  • geoss
  • great-lakes
  • illinois
  • invasive-species
  • jungbluth-ditch
  • lake-erie
  • lake-gibson
  • lake-michigan
  • lake-ontario
  • lamine
  • little-calumet-river
  • mahoning-river
  • maumee-river
  • milwaukee-river
  • minnesota-river
  • mississippi-river
  • missouri
  • muskingum-river
  • national
  • north-america
  • ohio
  • ontario
  • pennsylvania
  • sac
  • sandusky-river
  • sugar-creek
  • united-states
  • upper-mississippi-river
  • usgs-5ea6c6b782cefae35a1d8fbf
  • wisconsin
isopen False
license_id notspecified
license_title License not specified
maintainer Patrick Kocovsky
maintainer_email pkocovsky@usgs.gov
metadata_created 2025-11-21T14:54:22.307322
metadata_modified 2025-11-21T14:54:22.307326
notes The development of a reliable method of age estimation for Grass Carp is necessary for the successful management of this invasive species. Multiple federal and state agencies with assistance from commercial fishers collected adult Grass Carp from 2012 to 2018. Ossified parts were collected from these fish, and age estimates from them were compared to develop an age estimation method. Here we provide the data used in that effort.
num_resources 2
num_tags 43
title Development of an age estimation method for Grass Carp from North America