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Topic: Archerfish


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In the News (Mon 13 Feb 12)

  
  Archerfish tune their shots to universal properties of prey adhesion
Archerfish exhibit the remarkable ability to hunt for insects and other small terrestrial animals by firing precisely aimed streams of water that knock prey onto the water's surface.
The researchers showed that for any given size of prey, the archerfish tune their attacks such that prey are hit with about ten times the force that adhesive organs of animals of that size could sustain.
The new work also revealed that the archerfish's hunting technique is metabolically costly and that the fish tune the force of their water shots by adjusting the mass of water in a shot, rather than altering the initial release pressure and speed of the shot.
www.eurekalert.org /pub_releases/2006-10/cp-att100506.php   (358 words)

  
  Archerfish
The archerfishes (also seen as archer fish) are a family (Toxotidae) of fish notable for their habit of preying on insects and other animals by shooting them down with squirts of water from the mouth.
Archerfish bodies are deep and compressed, with the dorsal fin set far back, and the profile a straight line from dorsal fin to mouth.
Archerfish are remarkably accurate in their shooting, adult fish almost always hitting the target on the first shot.
www.teachtime.com /en/wikipedia/a/ar/archerfish.html   (258 words)

  
 archerfish   (Site not responding. Last check: 2007-10-31)
The archerfish has a groove in the roof of its mouth that forms a long narrow tube when the tongue is placed against it; the fish propels drops of water along the tube by compressing its gill covers.
Shooting down insects is an auxilliary method of food-getting for the archerfish, which feeds mostly on insects floating in the water.
Archerfishes are classified in the phylum Chordata, subphylum Vertebrata, class Osteichthyes, order Perciformes, family Toxotidae.
www.coolencyclopedia.com /words/archerfish   (159 words)

  
 Archerfish - Wikipedia, the free encyclopedia
The archerfish (also seen as archer fish) are a family (Toxotidae) of fish notable for their habit of preying on insects and other small animals by shooting them down with water "pellets" from their specialized mouths.
The family is a small one, consisting of six species in the genus Toxotes; all occur in fresh, brackish and marine waters from India to Philippines, Australia, and Polynesia.
Note, however, that archerfish prefer to leap out of the water and grab the insect in their mouth if it happens to be within reach.
en.wikipedia.org /wiki/Archerfish   (390 words)

  
 Archerfish
Archerfish left Hawaii on 30 October, visited Saipan on 9 November for quick voyage repairs, and departed two days later to carry put her next patrol on which her primary mission was to provide lifeguard services for the first B-29 strikes against Tokyo.
Archerfish was one of 12 submarines that entered Tokyo Bay on 31 August and moored alongside the tender Proteus, near the Yokosuka Navy Yard.
Archerfish was decommissioned on 12 June 1946 and placed in the Pacific Reserve Group berthed in the Mare Island Naval Shipyard.
www.history.navy.mil /danfs/a10/archerfish-i.htm   (1750 words)

  
 World War 1 and 2 - USS Archerfish (SS-311)
USS Archerfish (SS/AGSS-311), a Balao-class submarine, was the first ship of the United States Navy to be named for the archerfish, a family of fish notable for its ability to project a powerful spout of water at its insect prey.
Archerfish left Hawaii on 30 October, visited Saipan on 9 November for quick voyage repairs, and departed two days later to carry out her next patrol on which her primary mission was to provide lifeguard services for the first B-29 Superfortress strikes against Tokyo.
Archerfish was one of 12 submarines that entered Tokyo Bay on 31 August and moored alongside the tender Proteus (AS-19), near the Yokosuka Navy Yard.
www.worldwardiary.com /history/USS_Archerfish_%28AGSS-311%29   (1852 words)

  
 USS Archerfish SS-311
Archerfish was one of 12 submarines that entered Tokyo Bay on 31 August and moored alongside the tender Proteus, near the Yokosuka Navy Yard.
Archerfish was decommissioned on 12 June 1946 and placed in the Pacific Reserve Group berthed in the Mare Island Naval Shipyard.
Archerfish began an extended fourth and final phase of Operation "Sea Scan' when she left Pearl Harbor on 17 June and headed for the eastern Pacific.
www.multied.com /NAVY/Submarine/Archerfish.html   (1664 words)

  
 [No title]
STURGEON The second ARCHERFISH (SSN-678) was laid down on 19 June 1969 at Groton, Conn., by the Electric Boat Division, General Dynamics Corp.; launched on 16 January 1971, sponsored by Miss Mary Conover Warner; and commissioned at New London Conn., on 17 December 1971, Comdr.
ARCHERFISH provided services in support of a special project under the direction of the Chief of Naval Operations in the western Atlantic during the last half of September.
ARCHERFISH arrived back at Norfolk on 6 September but set sail again on the 12th, bound for the West Indies to conduct torpedo test firings off the Bahamas and to perform special sonar tests in the Atlantic.
www.hazegray.org /danfs/submar/ssn678.txt   (1186 words)

  
 archerfish - Encyclopedia.com
The archerfish has a groove in the roof of its mouth that forms a long narrow tube when the tongue is placed against it; the fish propels drops of water along the tube by compressing its gill covers.
Shooting down insects is an auxilliary method of food-getting for the archerfish, which feeds mostly on insects floating in the water.
Archerfishes are classified in the phylum Chordata, subphylum Vertebrata, class Osteichthyes, order Perciformes, family Toxotidae.
www.encyclopedia.com /doc/1E1-archerfi.html   (357 words)

  
 Apologetics Press - ArcherFish: Changing Caliber to Fit Prey
As Thomas Schlegel and his colleagues noted: “Archerfish are renowned for their unique hunting technique: with a simple blow tube they fire precisely aimed jets of water at distant aerial prey to catch their dislodged victims on the water surface” (2006, 16:R836).
Schlegel and his colleagues demonstrated that archerfish are able to vary the force of the stream of water according to the size of the prey.
Archerfish force-scaling closely matches this prediction, ensuring a reasonable safety margin: for any given size of prey, the fish apply about ten times the forces the adhesive organs of prey of that size could maximally sustain” (2006, 16:R836, parenthetical item in orig.).
www.apologeticspress.org /articles/3131   (1365 words)

  
 Archerfish | Toxotes jaculatrix
PD: The Archerfish is moderately elongated and laterally compressed with a pointed head.
Archerfish form schools and should be kept in groups.
R: Archerfish have the ability to shoot stream of water from their mouth to knock insects and small animals from plants above the water.
fish.mongabay.com /species/Toxotes_jaculatrix.html   (592 words)

  
 Gallant Lady excerpt
When a pair of divers set the record for the longest buoyant free ascent from the ocean's bottom, it was Archerfish who regurgitated those two brave men and sent them on their impossibly long float to the surface.
Follow along as we track Archerfish from her birth in New Hampshire in 1943 until she died an explosive but noble death in 1968, still characteristically serving her country by doing whatever she was asked to do.
Told for the Archerfish crewmembers still alive as well as for those on "eternal patrol." Told for the thousands of submarine sailors who preceded them and for those who still ply the planet's seas on the "boomers" and "fast attacks," the nuclear boats.
ourworld.compuserve.com /homepages/donkeith/GLexcerp.htm   (1378 words)

  
 USS Archerfish
Archerfish, on the surface, her narrow bow cutting through the waves, was cruising on one of her four diesels.
Unknown to the Archerfish, this is the Shinano.
Archerfish, still in relentless pursuit, traveling a parallel course, is losing ground on her foe.
www.diodon349.com /Stories/Stories_SS/USS_Archerfish.htm   (2072 words)

  
 Math Trek: Catching Flies, Science News Online, Oct. 12, 2002
Archerfish and baseball outfielders appear to use different strategies to snag a projectile.
Archerfish (Toxotes jaculatrix) are famous for their unusual way of hunting insect prey.
Experiments now suggest that an archerfish needs just a quick glance to judge where the dislodged prey will later hit the water and promptly moves in that direction well before the insect splashes down.
www.sciencenews.org /20021012/mathtrek.asp   (1038 words)

  
 ARCHERFISH History - 1943 to 1968
USS Archerfish (SS-311) was laid at the Portsmouth Navy Yard, Portsmouth, N.H. on January 22, 1943.
Archerfish departed Pearl Harbor on 27 March 1961, for Phase Two of "Operation Sea Scan." Serving as a unit of the U.S. Seventh Fleet, she visited Yokosuka, and Hakodate Japan, Hong Kong; Subic Bay, Republic of the Philippines; Bangkok, Thailand; Penang, Malaya; Colombo, Ceylon; Fremantle, Western Australia.
Archerfish departed on 25 November for an extended cruise to the outhern hemisphere, crossing the line on 6 December where 49 "pollywags" became "shellbacks" in the traditional ceremony.
ussarcherfish.com /history.htm   (4878 words)

  
 Archerfish
Once into position, the archerfish acts like an underwater water pistol and ”spits” a strong jet of water at their prey.
The archerfish prefers to leap out of the water and grab their prey in their jaws when it is close enough.
Archerfish make an excellent addition to a brackish community, but they do get to a decent size (up to 30cm in length).
www.fnzas.org.nz /articles/fish_articles/archerfish   (558 words)

  
 [No title]
Archerfish left Hawaii on 30 October, visited Saipan on 9 November for quick voyage repairs, and departed two days later to carry out her next patrol on which her primary mission was to provide lifeguard services for the first B-29 strikes again st Tokyo.
She departed Yokosuka on 25 November for an extended cruise to the southe rn hemisphere, arrived in Australia in mid-December and took a three-week holiday in Newcastle and Sydney.
Archerfish received seven battle stars and one Presidential Unit Citation for her World War II service.
www.hazegray.org /danfs/submar/ss311.htm   (1738 words)

  
 Banded Archerfish, Toxotes jaculatrix
The Banded Archerfish is known for its ability to shoot down resting insects by spitting a jet of water.
Archerfishes have adaptations to the mouth which enable spitting.
The Banded Archerfish is usually white or silvery on the body with 4 to 5 fl bars on the upper half of the body.
www.amonline.net.au /fishes/fishfacts/fish/tjaculat.htm   (139 words)

  
 LiveScience.com - Fish Shoot Prey with Precise Water Guns
Archerfish, the snipers of the animal world, never waste a shot.
Archerfish hunt by firing precisely aimed streams of water [image] into the air to knock down prey as big as small lizards and gulp them down once they fall into the water.
The researchers discovered that for any given size of prey, the archerfish instinctively tune their attacks such that prey are hit with about ten times the force animals their size could use to hold on.
www.livescience.com /animalworld/061009_archerfish.html   (392 words)

  
 Archerfish
The archerfish inhabits river estuaries and coastal creeks where the fresh river water is made salty by the coastal tides.
At high tide, the archerfish swims among the roots, preying on insects that have landed on the overhanging vegetation.
Although the breeding habits of the archerfish are still something of a mystery, it is believed that they swim upstream during the rainy season to breed in rivers and backwaters.
homepage.eircom.net /~criley/profiles/fish/archerfish.htm   (563 words)

  
 Burke's Backyard Archives 2004 - Archerfish
The jets of water reach up to 3m (10'), but the Archerfish is only accurate to about 1.5m (5').
When the insect falls into the water the Archerfish is waiting to gobble it up.
Archerfish prefer a heated tank with 'brackish' or slightly salted water.
www.burkesbackyard.com.au /2004/archives/2004/roadtests/others/archerfish   (209 words)

  
 Gallant Lady : A Biography of the USS Archerfish (Ken Henry , Don Keith)   (Site not responding. Last check: 2007-10-31)
Launched in May, 1943, Archerfish's first year of service in the Pacific was lackluster, with two skippers and only 2 sinkings to her credit.
As shooting time was near, one of the escort destroyers passed directly over Archerfish, and as soon as she passed, Enright came to periscope depth and fired six torpedoes.
To prepare Archerfish for the cruise, she was sent to the Philadelphia Navy Yard.
lostipods.com /ss/us/product/0765305682.htm   (1009 words)

  
 Archerfish
There are several varieties of archerfish in the wild, the one native to northern Australia being one of the biggest at 40 cm long.
The archerfish has unique adaptations that allow it to hunt its prey in such an unusual fashion: a long groove running along the top of the mouth allows the fish to shoot the water, and quick-closing gill covers propel the water forward.
In the wild, the archerfish feeds on floating debris such as insects and vegetable matter, and supplements its diet with additional insects caught through its unique method of shooting water like an arrow through the air, knocking the insect into the water where the archerfish can capture and consume it.
www.aqua.org /animalencounters_archerfish.html   (249 words)

  
 Awesome skills of spitting archerfish revealed   (Site not responding. Last check: 2007-10-31)
It seems that the archerfish alters the force of the stream based on the size of the prey; and they do it in the most energy efficient manner.
Nothing in the snippet you provided indicates that what they do is efficient - in fact, the experimenters blatantly stated that they 'waste energy' and that they employ about 10x the force required to do the job, and that they do not learn to use less force when their targets are not as well-stuck.
Archerfish force-scaling closely matches this prediction, ensuring a reasonable safety margin: for any given size of prey, the fish apply about ten times the forces the adhesive organs of prey of that size could maximally sustain...
forums.crosswalk.com /fb.aspx?m=1757841   (7307 words)

  
 Awesome skills of spitting archerfish revealed - life - 10 October 2006 - New Scientist
Archerfish are remarkable hunters that shoot down their above-water prey by blasting them with jets of water.
Now research shows that these fish can precisely fine-tune the jets they spit depending on the size of prey and how well they are gripped to the surfaces they are sitting on.
Scientists had thought their hunting technique was an unsophisticated skill, based on blasts of water with a "spit and hope" quality.
www.newscientist.com /article/dn10268-awesome-skills-of-spitting-archerfish-revealed.html   (452 words)

  
 archerfish t-shirt & apparel from Zazzle.com
The archerfishes (or archer fishes) are a family (Toxotidae) of fish notable for their habit of preying on insects and other small animals by shooting them down with water "pellets" from their specialized mouths.
The family is a small one, consisting of seven species in the genus Toxotes; all occur in fresh, brackish and marine waters from India to the Philippines, Australia, and Polynesia.
Note, however, that archerfish prefer to leap out of the water and grab the insect in their mouth if it happens to be within reach.
www.zazzle.com /product/235737304672206029   (446 words)

  
 Totem Animal Descriptions
Archerfish Totem Warriors are clever and opportunistic fighters.
As the archerfish totem warrior gains levels, a thin layer of silvery scales visibly covers her skin and her eyes lighten to a cloudy silver blue color.
Archerfish totem warriors also use either their Dexterity modifier or Strength modifier for Swim checks, whichever is higher.
www.speakeasy.org /~deitrich/dnd/warlords/classes-totem.html   (4487 words)

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