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Tiny New Catfish Species Discovered In Rio Paraíba Do Sul Basin, Brazil
2013-07-09 10:53:23

Pensoft Publishers Scientists discovered a tiny new species of catfish in the waters of Rio Rio Paraiba do Sul basin, Brazil. The new species Pareiorhina hyptiorhachis belongs to a genus of armored catfishes native to South America where and found only in Brazil. These peculiar fish get their name from their strange elongated mouth barbels that remind of cat's whiskers. The new species is distinguished from others species of the genus by the presence of a conspicuous ridge on the trunk...

2013-03-13 23:04:30

Don't be like the people on MTV's new show "Catfish." PublicRecords.us.org shares the rise in this type of cyber relationship behavior on the Web. Charlotte, NC (PRWEB) March 13, 2013 Internet dating can be fun and exciting when meeting a potential boyfriend or girlfriend, but one never knows when this person could be fake. MTV's "Catfish" has explored the phenomenon of how people in virtual relationships are claiming to be someone else or are hiding to full truth. Accord to Mashable, 83...

2012-03-05 08:00:00

ScienceAlerts.com is a new social network featuring the latest information in the basic and applied sciences of biology, environment, forestry, geography and health. The members of this new website monitor nearly 3,500 journals publishing in these fields and alert visitors in real-time through topic-specific site content and RSS feeds. The latest addition to this natural sciences website is the Agricultural Sciences Category with 84,000 articles partly derived by monitoring 242 scientific...

Colossal Aggregations Of Giant Alien Freshwater Fish As A Potential Biogeochemical Hotspot
2011-10-06 08:03:29

[ Watch the Video ] Many different types of animals come together to form vast groups — insect swarms, mammal herds, or bird flocks, for example. Researchers in France added another example to the list, reported Oct. 5 in the online journal PLoS ONE: the huge Wels catfish, the world's third largest and Europe's largest fresh-water fish. Researchers observed these fish in the Rhone River from May 2009 to Feb. 2011 and found that they formed dense groups of 15 to 44 individuals,...

2011-01-05 22:58:13

Peer into any stream in a South American rainforest and you may well see a small shoal of similar-looking miniature catfish. But don't be fooled into thinking that they are all the same species. An extensive investigation of South American Corydoras catfish, (reported in Nature 6.1.11), reveals that catfish communities- although containing almost identically coloured and patterned fish, could actually contain three or more different species. Establishing for the first time that many species...

2010-10-28 22:12:32

Copper sulfate has emerged as an effective treatment for Ichthyophthirius multifiliis, also known as "Ich," a protozoan parasite that appears as white spots on infected fish, according to a U.S. Department of Agriculture (USDA) scientist. Aquatic toxicologist David Straus with USDA's Agricultural Research Service (ARS) investigated copper sulfate as a method to control both Ich in catfish and a fungus"”Saprolegnia"”on catfish eggs. Straus works at the ARS Harry K. Dupree Stuttgart...

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2010-01-29 09:41:14

It has been thought that young fish, lacking well-developed hearing organs, could not perceive the sounds made by their larger, older relatives. Now, researchers writing in the open access journal BMC Biology have used a combined fish tank and sound-proof chamber to show for the first time that catfish of all ages can communicate with one another. Walter Lechner and a team of researchers from the University of Vienna studied the catfish Synodontis schoutedeni, which, by rubbing the spines of...

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2009-12-11 10:45:00

Name all the venomous animals you can think of and you probably come up with snakes, spiders, bees, wasps and perhaps poisonous frogs. But catfish? A new study by University of Michigan graduate student Jeremy Wright finds that at least 1,250 and possibly more than 1,600 species of catfish may be venomous"”far more than previously believed. The research is described in a paper published online Dec. 4 in the open access journal BMC Evolutionary Biology. Lest anyone have concerns about...

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2009-12-04 08:58:12

In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the open access journal BMC Evolutionary Biology, has catalogued the presence of venom glands and investigated their biological effects. Jeremy Wright, from the University of Michigan, USA, carried out the investigation. He said, "I used histological and toxicological techniques to elucidate the...


Latest Catfish Reference Libraries

African Sharptooth Catfish, Clarias gariepinus
2013-02-09 08:30:28

Image Credit: WA Djatmiko/Wikipedia (CC BY-SA 3.0, 2.5, 2.0 and 1.0) The African sharptooth catfish is native throughout Africa, and the Middle East, and in the 1980’s it was introduced all over the world. This catfish lives on muddy bottoms in freshwater lakes, rivers, swamps, man-made habitats, and occasionally found in urban sewage systems. This species is able to crawl across dry ground to another body of water when one pool dries up. It is also able to survive for long periods of...

Airbreathing Catfish, Clarias Gariepinus
2012-12-25 12:26:23

Air breathing catfish or clariids are all fresh water fish found mainly in Africa, but also can be found in Syria, southern Turkey, and Southeast Asia. There are 14 different groups and 100 different species of clariids. Clariids have an elongated body with a long dorsal fin (top fin) and a long anal fin (bottom fin). Around the mouth there are 4 barbels (whiskers) and the clariids are the only species to have a labyrinth organ (a tree-like organ on the 2nd and 4th gill. This organ allows...

Stinging catfish or Fossil catfish, Heteropneustes fossilis
2012-05-16 13:39:24

The Stinging catfish or Fossil catfish, (Heteropneustes fossilis), is a species of Airsac catfishes, from the Heteropneustidae family. It inhabits freshwater ponds and rivers in and around Bangladesh, India, Laos, Myanmar, Nepal, Pakistan, Sri Lanka and Thailand, but has also been seen in brackish (salty) marshes. Because of its wide range, the inhabitants of each region know the Stinging catfish by many names depending on the local language. The Stinging catfish often grows to about 12...

Zebra Plecostomus, Hypancistrus zebra
2009-07-04 16:10:42

The Zebra Plecostomus (Hypancistrus zebra) is a species of catfish that is frequently found in the Xingu River, which is a tributary of the Amazon River. The Zebra Plecostomus received its name because of its black and white stripes. In the early 1990s this fish was first identified. Brazil exported this fish in large numbers, regardless of this, the Zebra Plecostomus is not found on the IUCN red list. The Brazilian government did put a band on the exportation of this fish. Because of the...

Redtail Catfish, Phractocephalus hemioliopterus
2009-02-16 20:35:04

The Redtail Catfish (Phractocephalus hemioliopterus) is a species of long-whiskered catfish found in South America. It is native to the Amazon, Orinoco, and Essequibo river basins of South America. It is found only in fresh water. It has been introduced into Florida, although it has not been established there. It is commonly known as cajaro in Venezuela and pirarara in Brazil. It is the only still-living member of the genus Phractocephalus. Despite growing to a large size, it is a popular...

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Word of the Day
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
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