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Topic: Amphipod

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	Amphipod gallery (Site not responding. Last check: )
		Amphipods are one of the great success stories in the Crustacea.
		In the sea amphipods can be found burrowing in sandy and muddy sediments, living in tubes on hard surfaces, dwelling among macroalgae and sessile invertebrates, and as part of the plankton.
		Amphipods are usually flattened from side to side but this is not always so.
	www.museum.vic.gov.au /crust/amphigal.html (212 words)

	Alee Academy::Clam - Amphipod Interaction Project (Site not responding. Last check: )
		Amphipods should be able to utilize dead clam material available periodically in natural systems however monocultures of clam populations held under laboratory conditions may present a unique opportunity for amphipods due to the elimination of predators, ability to utilize clam material as a food source and the lack of competition for dead clam material.
		Amphipods living inside the shell cavity may also be able to consume clam excrements, however a population of amphipods may still take up a considerable amount of space inside the shell cavity which may inhibit the ability of the clam to successfully move water necessary for filter feeding and respiration.
		Amphipods may be small enough to enter through one of the clam siphons however tentacles on the rim of the siphons may act as sensory organs that cause the clam to retract siphon and foot organs or "clam up" in response to touch.
	aleeacademy.org /information/programs/clam_amphipod_interaction_project/background_information (1804 words)

	Amphipods by Ronald L. Shimek, Ph.D. - Reefkeeping.com
		Amphipods are certainly "ecologically successful;" additionally, they are very successful evolutionarily, a fact reflected in their abundance in almost all marine environments.
		Amphipods are arthropods, and as such they possess the arthropodan features of a segmented body with jointed, segmented, appendages and an external skeleton, or integument.
		This means that amphipods lack free-living larvae and have to disperse by actual migration of the adults, primarily the females.
	www.reefkeeping.com /issues/2004-09/rs/index.php (3830 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: )
		Marine amphipods may be pelagic (living in the water column) or benthic (living on the ocean bottom).
		Pelagic amphipods are eaten by seabirds, fish, and marine mammals.
		Amphipods are one of the few animal groups frequently seen when submarines venture to the deepest parts of the oceans.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=amphipod (317 words)

	Amphipod
		There is a few species of Amphipods which take care of their young after they hatch.
		Amphipods can often be found living in marine environments all over the globe.
		Amphipods are sometimes used as water pollution indicators.
	students.ed.uiuc.edu /freymuth/490i/amphipod.htm (512 words)

	amphipod - Search Results - MSN Encarta
		Amphipod RunLite Hydration Belts - the top-rated hydration belt combining bounce-free performance...
		Many species of pelagic amphipods are mutualistic or (usually) parasitic, living in association with jellyfish and salps.
		Phronima is a relatively common genus of pelagic amphipod that kills and cleans...
	encarta.msn.com /amphipod.html (165 words)

	ILLINOIS CAVE AMPHIPOD
		In the sixth cave the current status of the amphipod population last documented there in 1965 cannot be determined because the private owner sealed the cave entrance.
		In 1999-2000, the amphipod was found in several other caves in two new watersheds, bringing the total number of extant populations to 10 in 6 drainage basins, all in Monroe County.
		Several of the entrances to caves containing the Illinois cave amphipod are dedicated Nature Preserves, the highest land protection instrument in the State.
	www.fws.gov /Midwest/RockIsland/ACTIVITY/endangrd/ilca.htm (1074 words)

	EPA: Federal Register: Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Kauai ...
		Adult cave amphipods are 7 to 10 mm (0.25 to 0.4 in) in length with a slender, laterally compressed body and a hyaline (nearly transparent) cuticle, giving it a shiny, translucent appearance.
		In one of these three caves, where the amphipod was found with the wolf spider, their numbers have ranged from 8 to 67 during the biannual monitoring visits.
		Amphipods have been found in this cave when humidity conditions are optimal, such as after heavy rains which saturate the soil and increase the relative humidity in the dark zone.
	www.epa.gov /fedrgstr/EPA-SPECIES/2003/April/Day-09/e8180.htm (18852 words)

	The Jaffa Amphipod (Ampelisca jaffaensis, Bellan-Santini & Kaim-Malka,1977) from Jaffa, Palestine
		Amphipod crustaceans are peracarid crustaceans, typically ranging in size from 2 to 50 mm, although a few may be larger.
		Amphipods are common in aquatic ecosystems throughout many parts of the world, inhabiting marine, brackish, and freshwater environments.
		The Jaffa Amphipod (Ampelisca jaffaensis, Bellan-Santini and Kaim-Malka, 1977) from Jaffa, Palestine.
	www.geocities.com /jaffacity/Jaffa_Amphipod.html (1303 words)

	Bahadzia stocki
		Zoogeographic implications of Bahadzia, a hadziid amphipod crustacean recently described from anchialine caves in the Bahamas and Turks and Caicos Islands.
		New cave-dwelling amphipods (Lysianassidae, Hadziidae) from the Dominican Republic (Hispaniola).
		Stock, J.H. Two new amphipod crustaceans of the genus Bahadzia from 'blue holes' in the Bahamas and some remarks on the origin of the insular stygofaunas of the Atlantic.
	www.tamug.edu /cavebiology/fauna/amphipods/B_stocki.html (492 words)

	Amphipod general biology (Site not responding. Last check: )
		Amphipods have seven pairs of walking legs of which the first four reach forward, and the fifth to seventh reach backwards.
		During reproduction, the male amphipod carries the smaller female grasped between its legs, a condition known as amplexus.
		The speciality of amphipods is the tail-flip, a rapid escape response where the abdomen flicks the animal away after the uropods are dug into the ground.
	www.mov.vic.gov.au /crust/amphbiol.html (652 words)

	crustacea.net - interactive keys
		Amphipod crustaceans are one of the most diverse and abundant groups of invertebrates in marine benthic environments.
		For reasons such as this, amphipods have a reputation for being hard to identify and consequently they are often identified only to order or family level in ecological studies.
		Because amphipods are such an important part of benthic shallow-water communities (diverse and abundant) they need to be more readily identifiable for the scientific community.
	www.crustacea.net /crustace/amphipoda/aus_intro.htm (1490 words)

	EM PROJECT: Bridget Zepp
		The amphipod alimentary canal was examined by means of: 1) Light Microscopy to distinguish food content, and 2) Transmission Electron Microscopy to determine whether cell structure resembles that of previously studied parasitic and nonparasitic Copepoda.
		The maxillipeds are nonconical in shape which further supports the idea of nonparasitism since most families of amphipods known to be parasitic have piercing mouthparts arranged in a large conical bundle (Thomas and Taylor, 1981).
		Similar to amphipods living in sea anemones, the reduced antennules and antennae may be morphological adaptations for endosymbiosis by reducing entanglement in the mucus (Vader, 1983).
	www.csulb.edu /~zedmason/emprojects/bridget/bridget.html (1457 words)

	Chesapeake Bay Life > Benthos> Common Burrower Amphipod
		The common burrower amphipod lies inside its tube with its head near the opening to filter plankton from the water.
		The common burrower amphipod is a favorite food item for fishes, such as spot (Leiostomus xanthurus) and croaker (Micropogonias undulatus), and crabs, such as the blue crab (Callinectes sapidus).
		Amphipods have a segmented and laterally flattened body that contains the head, the thorax, and the abdomen.
	www.dnr.state.md.us /bay/cblife/benthos/common_burrower_amphipod.html (258 words)

	Benthic Habitat Mapping - Four-eyed Amphipod
		Four-eyed amphipods are typically observed in the fine sands of estuaries; they are very common in the intertidal shallows and nearshore zone, generally limited to 30 meters in depth.
		Amphipods are found in the shallow marine waters from Maine to Louisiana and along the entire U.S. Pacific coast.
		Though there is no commercial fishery for amphipods, many species in the family Ampeliscidae are invaluable food sources for many economically important fish and invertebrate species, such as flounder and various species of crabs.
	www.csc.noaa.gov /benthic/resources/species/species2.htm (296 words)

	snails and amphipod
		The U.S. Fish and Wildlife Service proposed today to give Federal Endangered Species Act protection to the Roswell springsnail, Koster's tryonia, Pecos assiminea, and the Noel's amphipod, four invertebrate species found in the springs, seeps and sinkholes in the Pecos River basin in New Mexico and west Texas.
		Roswell springsnail, Koster's tryonia and Pecos assiminea are small aquatic snails, while the Noel's amphipod is a freshwater shrimp.
		The species co-exist in small, geographically isolated springs on federal land at Bitter Lake National Wildlife Refuge in Chaves County County in southeastern New Mexico.
	www.wildlife.state.nm.us /conservation/share_with_wildlife/snailsandamphipod.htm (794 words)

	amphipod \| English \| Dictionary & Translation by Babylon
		Amphipoda (amphipods) is an order of animals that includes over 7000 described species of small, shrimp-like crustaceans.Most amphipods are marine, although a few live in freshwater or are terrestrial.Marine amphipods may be pelagic (living in the water column) or benthic (living on the ocean bottom).
		Pelagic amphipods are eaten by seabirds, fish and marine mammals.
		Terrestrial amphipods such as sand fleas can often be seen amongst grains of sand and pebbles or on beaches.
	www.babylon.com /definition/amphipod (100 words)

	Revel Sports - Amphipod NEW RunLite Series
		Amphipod The SnapFlask Hydration Module is the perfect way to add quick access fuel/fluid (even gel) almost anywhere.
		Amphipod Slide a Rapid Access Pouch onto the waist strap of your running pack or your belt to give you quick front access to electronics, energy fuel or other essentails.
		Amphipod's hydration products are based on low profile physics and minimalist design.
	revelsports.com /amphipod.asp (948 words)

	SeaWeb - Ocean Citations
		The amphipod burrowed in significantly lower numbers in patches with high polychaete abundance compared to those with lower abundance.
		Also, plastic tubes mimicking polychaete body structure were not avoided by the amphipods, indicating that the physical tube structure of the polychaetes does not explain the amphipod's choice of burrowing site.
		Furthermore, the amphipod did not increase or prolong swimming activities as a function of higher worm density, indicating that increased swimming activity over dense polychaete patches and subsequent migration away from them is not a likely explaination of why this amphipod burrow less frequently in patches of high polychaete abundance.
	www.seaweb.org /resources/citations/introduced/2003/03introduced.11.php (299 words)

	NOAA Great Lakes Environmental Research Laboratory Diporeia Production Project
		The decline resulted primarily from reduced amphipod abundance rather than major changes in length-weight relationships and causes of the population loss are not known.
		Such higher gut turnover rates may be due to the nutritionally poorer food quality of sediments at such sites, resulting in higher amphipod gut throughput as animals attempt to derive sufficient nutrition from such food.
		The decline resulted primarily from reduced amphipod abundance rather than major changes in length-weight relationships and may be associated with zebra mussel population increases over southern Lake Michigan.
	www.glerl.noaa.gov /res/Task_rpts/1997/edyquig09-1.html (1060 words)

	Natuurinformatie - Lake Baikal giant amphipod crustaceans
		It is notably thanks to its size (20% of the total surface liquid freshwater of the world and a depth of more than 1600m), age (at least 20 million years) and isolation of the lake Baikal that its amphipod crustaceans have developed an unprecedented adaptive radiation.
		Already 300 species have been described from the lake (totalling 20% of the world's freshwater species), 95% of them being endemic, and some Russian researchers speculate at least as many are still waiting to be discovered.
		Its huge swarms constitute more than 90% of the amphipod biomass of the lake, and are the primary food resource of several fishes of economic importance.
	www.natuurinformatie.nl /asp/page.asp?alias=ndb.kbin.en&view=natuurdatabase.nl&id=i000342 (362 words)

	EPA: Federal Register: Notice of Availability of the Illinois Cave Amphipod (Gammarus acherondytes) Draft Recovery Plan ...
		The Illinois cave amphipod is known only to occur in Monroe and St. Clair Counties in southwestern Illinois.
		Historically, the Illinois cave amphipod was known to occur in six cave systems in Monroe and St. Clair Counties, Illinois.
		The quality and condition of groundwater in the amphipod's habitats are tied to land use practices within cave recharge areas.
	www.epa.gov /fedrgstr/EPA-SPECIES/2002/August/Day-05/e19627.htm (775 words)

	Endemic amphipods in our nation's capital - Brief Article Endangered Species Bulletin - Find Articles
		In the late 1990s and early 2000s, the Hay's Spring amphipod was confirmed to exist in four other springs within the borders of Rock Creek Park, which adjoins the National Zoo.
		It appears that the Hay's Spring amphipod may spend its life in a shallow groundwater zone, moving in water that percolates among sand grains and gravel unless large volumes of water flush it up and out of an exit as a spring.
		Similar in general appearance to the Hay's Spring amphipod but smaller (up to 0.23 inches or 6 mm), Kenk's amphipod is considered by The Nature Conservancy to be highly rare and critically imperiled in the District of Columbia.
	findarticles.com /p/articles/mi_m0ASV/is_1_27/ai_83241279?lstpn=article_results&lstpc=search&lstpr=external&lstprs=other&lstwid=1&lstwn=search_results&lstwp=body_middle (846 words)

	Amphipod Hydration Belts - RunLite 3 : Hydration Gear
		You never have to worry about being one of those awkward inbetween sizes; this belt is guaranteed to fit perfectly.
		"The Amphipod RunLite system allows you to add water bottles and gel flasks and extra pouches...It truly was stable, no-bounce, and easy to click the water flasks in and out.
		Amphipod makes simple, functional hydration gear fit for endurance racing, running, and miscellaneous outdoor adventures.
	www.endurancezone.com /?i=products&prodID=765 (488 words)

	Basic information for Pectenogammarus planicrurus (An amphipod)
		It is the only amphipod that is a permanent resident of shingle habitats.
		It is a small species of amphipod, males reach body lengths of 9 mm, while females reach up to 6 mm in length.
		Males are distinct owing to dense comb-like fringes of hair (setae) on the margins of the coxal plates, pereopods and uropods.
	www.marlin.ac.uk /species/Pectenogammarusplanicrurus.htm (331 words)

	Illinois Cave Amphipod
		The region inhabited by the Illinois cave amphipod, just across the Mississippi River from St. Louis, Missouri, is characterized by sinkholes and caves, often connected by underground streams.
		If the amphipod is listed, the Service would begin planning recovery actions, which might include research on the effects of pollutants in the watershed, and cooperative efforts with landowners to improve water quality.
		The amphipod would be protected from "take," which includes harming or killing the species.
	darwin.eeb.uconn.edu /Documents/fws-970728.html (704 words)

	Fresh Water Amphipod Crustaceans: Introduction with photomicrographs of shrimps.
		The Amphipoda are mostly marine, but the order contains the freshwater shrimps, which can be found in a wide range of unpolluted habitats ranging from the freshwater through brackish to fully saline waters.
		Of the 4000 or so amphipod species, only around 50 are confined to fresh water.
		The freshwater shrimp Gammarus is probably the most familiar and widespread of all the crustaceans of clean, running fresh and brackish water.
	www.micrographia.com /specbiol/crustac/amphipo/amph0100.htm (117 words)

	amphipods
		There are amphipod species adapted to just about every water habitat and even moist habitats on shore.
		Other information: Amphipods look like little shrimp, but they are flattened from the sides (so that they look like they should lie on their sides).
		There are hundreds of amphipod species and most cannot be identified without a microscope and special guidebook.
	www.borntoexplore.org /aquarium/amphipods.htm (156 words)

	ConsumerReports.org - Amphipod Reflective Vest 3/05: Reflective vest, reflective jacket
		The bottom line: The Amphipod was highly reflective even when away from the center of the headlights’ beam.
		The Nathan Tri Color vest was quite bright when seen from the front, but not as bright as the Amphipod from the side.
		CAUGHT IN THE HEADLIGHTS As these photos show, Amphipod and Nathan Tri Color vests (left and second from left, respectively) are visible from a greater distance than the IllumiNITE jacket or no reflective gear at all.
	www.consumerreports.org /cro/travel/amphipod-reflective-vest-305-reflective-vest-reflective-jacket/index.htm (288 words)

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