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Palaemon vulgaris
Marsh Grass Shrimp, Common American Prawn, Common Grass Shrimp, Marsh Shrimp
Palaemon vulgaris is a small, transparent caridean shrimp native to the western Atlantic Ocean. Adults reach less than 5 cm in length and display distinctive orange pigmentation on the eyestalks. The species has been studied for its specialized swimming mechanics, employing metachronal beating of pleopods and drag-reducing mechanisms during locomotion. It occupies coastal and estuarine habitats from Cape Cod Bay to the Gulf of Mexico.
crustacean shrimp western-Atlantic transparent swimming-mechanics metachronal-swimming drag-reduction estuarine Palaemonidae Caridea Decapoda Malacostraca Arthropoda Palaemon Palaemonetes-vulgaris Say-1818 Cape-Cod-Bay Gulf-of-Mexico eyestalk-pigmentation pleopod hydrodynamics appendage-flexibility particle-image-velocimetry locomotion marine-biology invertebrate-zoology aquatic-arthropod coastal-species marsh-shrimp grass-shrimp common-American-prawn common-grass-shrimp marsh-grass-shrimp small-crustacean translucent-body camouflage swimming-appendages pleopodal-swimming crustacean-locomotion biomechanics fluid-dynamics drag-reduction-mechanisms asymmetric-flexibility appendage-grouping return-stroke power-stroke wake-reduction thrust-generation profile-area-modulation phase-lag appendage-wave swimming-efficiency aquatic-maneuverability hydrodynamic-optimization caridean-shrimp palaemonid-shrimp marine-invertebrate estuarine-invertebrate Atlantic-coast North-American-shrimp western-Atlantic-shrimp coastal-marine-biology invertebrate-swimming crustacean-biomechanics decapod-locomotion malacostracan-swimming arthropod-hydrodynamics translucent-marine-animal small-decapod marine-transparency eyestalk-coloration orange-pigmentation eyestalk-morphology visual-system crustacean-vision transparent-animal crypsis camouflage-adaptation predator-avoidance visual-ecology marine-ecology coastal-ecology estuarine-ecology benthic-pelagic nektonic-shrimp planktonic-stages benthic-adult habitat-utilization ecosystem-component food-web prey-species foraging-behavior sensory-biology mechanoreception chemoreception aquatic-sensory-systems neurobiology motor-control swimming-coordination appendage-coordination rhythmic-movement neuromuscular-control biological-fluid-mechanics low-Reynolds-number-swimming viscous-swimming intermediate-Reynolds-number unsteady-flows vortex-dynamics wake-structure thrust-production propulsive-efficiency energy-economy locomotor-performance evolutionary-biomechanics functional-morphology comparative-physiology experimental-biology laboratory-studies field-observations natural-history taxonomic-history nomenclatural-change Palaemonetes-to-Palaemon genus-revision systematics phylogenetics molecular-data morphological-data integrated-taxonomy species-delimitation cryptic-species morphological-similarity genetic-differentiation population-structure biogeography dispersal larval-transport ocean-currents habitat-connectivity marine-biogeography provincialism endemism range-distribution latitudinal-gradient depth-distribution salinity-tolerance euryhaline stenohaline osmoregulation physiological-ecology environmental-tolerance temperature-tolerance thermal-biology seasonal-variation reproductive-seasonality breeding-biology mating-behavior reproductive-output fecundity egg-production larval-development developmental-biology life-history growth-rate longevity survivorship population-dynamics demography abundance density spatial-distribution temporal-distribution diel-patterns nocturnal-activity crepuscular-behavior foraging-ecology diet-composition trophic-level omnivory detritivory predation predator-prey-interactions anti-predator-behavior escape-responses startle-response autotomy defensive-behavior social-behavior aggregation schooling shoaling conspecific-attraction mating-systems sexual-selection mate-choice sperm-competition parental-investment care-of-young extended-parental-care reproductive-strategies iteroparity semelparity bet-hedging r-selection K-selection life-history-theory phenotypic-plasticity environmental-induction developmental-plasticity morphological-plasticity behavioral-plasticity physiological-plasticity acclimation adaptation local-adaptation genetic-adaptation evolutionary-adaptation natural-selection artificial-selection domestication conservation-biology population-viability threatened-species endangered-species habitat-loss pollution eutrophication hypoxia climate-change 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