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Amphionids: Amphionidacea - Physical Characteristics, Behavior And Reproduction - GEOGRAPHIC RANGE, HABITAT, DIET, AMPHIONIDS AND PEOPLE, CONSERVATION STATUS

plankton scientists depths microscopic

Amphionids live in all oceans. Because they are found throughout the world, no distribution map is provided.

Amphionids are marine and are most common near the equator. Young animals live with other plankton at depths of 90 to 300 feet (30 to 100 meters). Plankton is made up of free-floating, often microscopic, plant and animal life. Adult females have been found at depths of 5,577 feet (1,700 meters).

Immature amphionids probably eat algae (AL-jee) and other microscopic organisms. Adult females have reduced mouthparts and digestive tracts. This suggests to scientists that the amphionids must rely on energy from food they ate before reaching adulthood.

These unique crustaceans are of interest to scientists who study crustaceans and how they survive in their environment.

This species is not considered endangered or threatened.



Holthuis, L. B. The Recent Genera of the Caridean and Stenopodidean Shrimps (Decapoda); with an Appendix on the Order Amphionidacea. Leiden, The Netherlands: Nationaal Natuurhistorisch Museum, 1993.


Heegaard, P. "Larvae of Decapod Crustacea: The Amphionidae. Dana Expedition," Report 77 (1969): 1-67.

Lindley, J. A., and F. Hernández. "The Occurrence in Waters Around the Canary and Cape Verde Islands of Amphionides reynaudii, the Sole Species of the Order Amphionidacea (Crustacea: Eucarida)." Revista de la Academia Canaria de las Ciencias 11, nos. 3-4 (1999): 11-119.

Williamson, D. I. "Amphionides reynaudii (H. Milne Edwards), Representative of a Proposed New Order of Eucaridan Malacostraca." Crustaceana 25, no. 1 (1973): 35-50.

Shrimps Crabs and Lobsters: Decapoda - Physical Characteristics, Habitat, Diet, Behavior And Reproduction, Decapods And People, Red Swamp Crayfish (procambarus Clarkii): Species Accounts - GEOGRAPHIC RANGE, CONSERVATION STATUS [next] [back] Krill: Euphausiacea - Physical Characteristics, Behavior And Reproduction, Krill And People, North Pacific Krill (euphausia Pacifica): Species Accounts - GEOGRAPHIC RANGE, HABITAT, DIET, CONSERVATION STATUS

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