No marine arthropods are presently listed as endangered, although some, such as horseshoe crabs and certain commercial crustacean species (such as lobsters) are considered threatened in at least part of their range and are pro tected by collecting restrictions. This is probably more a function of our lack of knowledge regarding the biodiversity of marine organisms at the species level and higher than a true representation of the health of marine arthropod populations. Special care should therefore be taken to protect such commercially valuable species until thorough assessments can be made on the impact of fishing practices on these marine arthropods and the habitats in which they live.

—Christopher B. Boyko

See also: Arthropods, Terrestrial; Biogeography; Oceans; Phylogeny


Abele, Lawrence G., ed. 1982. The Biology of Crustacea. Vol. 1: Systematics, the Fossil Record, and Biogeography. Edited by Dorothy E. Bliss. New York: Academic; Cheng, Lanna, ed. 1976. Marine Insects. Amsterdam: North-Holland; Cressey, Roger F. 1983. "Crustaceans as Parasites of Other Organisms." In The Biology of Crustacea. Vol. 6: Pathobiology, edited by Anthony J. Provenzano, Jr., pp. 251-273. New York: Academic; Hedgpeth, Joel W. 1982. "Pycnogonida." In Synopsis and Classification of Living Organisms. Vols. I and II, edited by Shirley P. Parker, pp. 169-173. New York: McGraw-Hill; Schram, Frederick R. 1986. Crustacea. New York: Oxford University Press; Walter, David, and Heather Proctor. 1999. Mites: Ecology, Evolution, and Behaviour. Wallingford, U.K.: CABI.

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