David Knott

Poseidon Taxonomic Services, LLC

Address: 1942 Ivy Hall Rd., Charleston, SC 29407
Phone: 843.442.0795
E-mail: david.knott@why-knott.com


M.S., Marine Biology, 1980, College of Charleston

B.A., Biology, 1972, University of Pennsylvania

Research Interests

  • Taxonomy and ecology of benthic and planktonic invertebrates from coastal and continental shelf habitats in the southeastern US
  • Invasive and non-indigenous species

Current and planned research projects

  • assessment of the occurrence, establishment and impacts of Asian tiger shrimp, island apple snails, marine mussels, and other nonindigenous aquatic invertebrates in the southeastern US
  • taxonomy, systematics and identification of estuarine and marine planktonic larval crustaceans and benthic macroinvertebrates, with particular interest in peracarid and decapod crustaceans, cirripedes, stomatopods, mollusks, echinoderms, scyphozoans, and polychaetous annelids
  • retired senior biologist with 33 years of work experience with the Marine Resources Research Institute, Marine Resources Division, South Carolina Department of Natural Resources


  • Gooding, E.L., Fowler, A.E., Knott, D., Dillon, R.T. Jr., Brown, T., Kendrick, M.R. and Kingsley-Smith, P.R. In print. Life history and phenological characteristics of invasive island apple snails, Pomacea maculata (Perry 1810), in stormwater retention ponds in coastal South Carolina, USA. Journal of Shellfish Research 37(1).
  • Hubbard, I.M., Hill-Spanik, K.M., Knott, D. and De Buron, I. 2016. Development of Anguillicoloides crassus in a cyclopoid copepod from the Acanthocyclops robustus–americanus–vernalis complex in South Carolina, USA. Comparative Parasitology 83(2): 192-196.
  • Fuller, P.L., Knott, D.M., Kingsley-Smith, P.R., Morris, J.A., Buckel, C.A., Hunter, M.E. and Hartman, L.D. 2014. Invasion of Asian tiger shrimp, Penaeus monodon Fabricius, 1798, in the western north Atlantic and Gulf of Mexico. Aquatic Invasions 9(1): 59-70. (doi: http://dx.doi.org/10.3391/ai.2014.9.1.05)
  • de Buron, I., Roth, P.B., Bergquist, D.C., and Knott, D.M. 2013. Mulinia lateralis (Mollusca: Bivalvia) die-off in South Carolina: discovery of a vector for two elasmobranch cestode species. Journal of Parasitology 99(1): 51-55.
  • Knott, D.M., P.L. Fuller, A.J. Benson, and M.E. Neilson. 2013. Penaeus monodon. USGS Nonindigenous Aquatic Species Database, Gainesville, FL. http://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=1209  Revision Date: 6/5/2012.
  • DeVictor, S.T., Knott, D.M. and Crowe, S.E. 2010. South Carolina Beachcomber’s Guide: a guide to the common invertebrates, plants and natural artifacts of the South Carolina seashore. South Carolina Department of Natural Resources. 91 pp.