Colleen Caldwell

Image of Colleen Caldwell
Colleen Caldewell

Appointment: Unit Leader and Affiliate Professor

Research Areas: Fish conservation, aquatic ecology, fish physiology, aquatic toxicology

Current Projects

  • Influence of stream temperature, intermittency, and nonnative fishes on the current and future distribution of fishes of conservation need in the Gila and Mimbres drainage basins (2016-2019)
  • Ecology of White Sands pupfish (2014-2018)
  • Impact of drought on Rio Grande cutthroat trout: Influence of flow and temperature on persistence (2015-2018)
  • Influence of large-scale wildfire on temporal and spatial distribution of fish and benthic invertebrate communities of the Valles Caldera National Preserve (2015-2017)
  • Development and validation of a molecular screening tool to identify presence of Asian Fish Tapeworm in imperiled southwestern native fishes (2014-2017)
  • Seasonal ecology of Pecos pupfish on a remnant wetland (2012-2015)
  • Habitat and biotic surveys of McKittrick drainage in Guadalupe Mt. National Park (2013-2015)

Professional Experience:

  • 2006-Present: Unit Leader, New Mexico Cooperative Fish and Wildlife Research Unit, Department of Fish, Wildlife and Conservation Ecology, New Mexico State University
  • 1994-2006: Assistant Unit Leader, Fisheries, New Mexico Cooperative Fish and Wildlife Research Unit, Department of Fishery and Wildlife Sciences, New Mexico State University
  • 1991-1994: Field Station Leader, USFWS, National Fisheries Contaminant Research Center, La Crosse, Wisconsin
  • 1988-1991: Post-doctoral Research Associate, North Carolina State University


  • Ph.D., University of Tennessee-Knoxville, 1988
  • M.S., Southwest Texas State University, 1985
  • B.S., Texas A & M University, 1982

Colleen Caldwell
NMSU | Knox Hall Rm 125
Phone: 575-646-8126
Fax: 575-646-1281