bighead carp


: a freshwater, cyprinid fish (Hypophthalmichthys nobilis) that has a large head and mouth, a ventral keel between the anal and pelvic fins, and a blotchy, dark-gray color and that is native to eastern Asia and has been widely introduced into nonnative waters where it is often considered a pest
The bighead carp, which can grow to 100 pounds, have caused environmental havoc in rivers and lakes in the South and Midwest because they devour huge volumes of food. Gene Schabath, Detroit News, 22 Dec. 2003
Silver and bighead carp are filter feeders that compete for diminishing plankton stocks with native fishes and mollusks. Kathy Etling, St. Louis Post-Dispatch, 10 May 2008

Note: Bighead carp is considered an invasive species in the U.S. where it has had a detrimental environmental impact due to its voracious appetite, especially for zooplankton, and rapid reproduction.

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near bighead carp

Cite this Entry

“Bighead carp.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.