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Latest Ichthyology Stories

2010-03-23 09:29:00

Rejection of Scientific Data for Other Threatened Sharks Undermines Conservation Effort DOHA, Qatar, March 23 /PRNewswire-USNewswire/ -- Government delegates attending the meeting of the Convention on International Trade in Endangered Species (CITES) voted today to list porbeagle sharks in Appendix II of the treaty, but rejected protections for three other vulnerable shark species. An Appendix II listing requires exporting countries to ensure that international trade is legal and will not...

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2010-03-17 10:36:37

A team of Spanish researchers has studied the diet of three species of sharks living in the deep waters in the area of El Cachucho, the first Protected Marine Area in Spain, which is located in the Cantabrian Sea off the coast of Asturias. These animals feed on the resources available in their environment, according to changes taking place in the ocean depths. "All the sections of the food chain are inter-related in these deep-sea ecosystems, and a small change in any one of the links in this...

2010-03-16 14:33:26

It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago. Such fossil evidence of behavior is incredibly rare, but by careful, forensic-style analysis of bite marks on an otherwise well-preserved dolphin skeleton, the research team, based in Pisa, Italy, have reconstructed the events that led to the death of the dolphin, and determined the probably...

2010-03-09 10:58:00

WASHINGTON, March 9 /PRNewswire-USNewswire/ -- In a move lauded by the Pew Environment Group, the Maldives today declared its exclusive economic zone (EEZ), 90,000 square kilometers of the Indian Ocean, as a shark sanctuary free from all shark fishing and also banned all imports and exports of shark fins. The Maldives is home to more than 30 shark species, including the scalloped hammerhead, the most prominent shark to be considered for protection at the upcoming meeting of the Convention...

2010-03-01 10:52:00

WASHINGTON, March 1 /PRNewswire-USNewswire/ -- On Wednesday, March 3 at 11 a.m. EST, the Pew Environment Group will host a press call to discuss international trade restrictions proposed for iconic marine species at the upcoming Convention on International Trade in Endangered Species (CITES) conference. During this meeting, which takes place in Doha, Qatar from March 13 - 25, government delegates from almost 200 countries will vote on the fate of more than 40 over-exploited species...

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2010-02-04 14:24:40

Researchers from the University of Minnesota's Institute of Technology have found that the hydrodynamic environment of fish can shape their physical form and swimming style. The research, available on the Journal of Experimental Biology Web site, was sponsored by the National Science Foundation's National Center for Earth-surface Dynamics. Catch a glimpse of a fish's body shape, and you can often guess how speedy it is. Tuna and mackerel look as if they should outpace frilly reef fish and...

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2010-01-10 10:15:00

Case study: Juvenile Salmon Acoustic Telemetry System detected 98 percent of tagged fish A new acoustic telemetry system tracks the migration of juvenile salmon using one-tenth as many fish as comparable methods, suggests a paper published in the January edition of the American Fisheries Society journal Fisheries. The paper also explains how the system is best suited for deep, fast-moving rivers and can detect fish movement in more places than other tracking methods. The Juvenile Salmon...

2009-12-01 13:58:28

Hit-and-run attacks by sharks can be solved with a new technique that identifies the culprits by the unique chomp they put on their victims, according to a University of Florida researcher and shark expert. In a method analogous to analyzing human fingerprints, scientists can make identifications by precisely comparing shark bites to the jaws and teeth of the powerful predators, said George Burgess, director of the International Shark Attack File, which is housed at UF's Florida Museum of...

2009-11-15 16:08:00

PORTO DE GALINHAS, Brazil, Nov. 15 /PRNewswire-USNewswire/ -- After meeting for ten days, the International Commission for the Conservation of Atlantic Tunas (ICCAT) refused to end fishing for Atlantic bluefin tuna. Instead, ICCAT set the catch limit for bluefin, considered the most valuable fish in the sea, at 13,500. Member countries also agreed on only one measure that will help conserve sharks in the Atlantic, a ban on the retention and landing of big eye threshers, but Mexico was...

2009-10-29 13:47:00

Researchers gained 3 more Sharks for Adoption WOODLAND HILLS, Calif., Oct. 29 /PRNewswire-USNewswire/ -- Non-profit organization Iemanya Oceanica today announced the addition of 3 newly tagged whale sharks to their family of sharks for research and conservation. The 3 new sharks are available to the public for adoption online and represent the need for urgent conservation of sharks. The organization's Adopt A Shark Program now has a total of 10 sharks that, with the aide of the tags,...


Latest Ichthyology Reference Libraries

Prowfish
2014-05-30 12:05:29

The prowfish (Zaprora silenus) is a subtropical species of a perch-like fish found in the northern Pacific Ocean. The range of the prowfish is from the Aleutian Islands, Alaska to Kamchatka, Russia, from Navarin Canyon in the Bering Sea to Hokkaido, Japan and Monterey, California. The preferred habitat of the prowish is rocky bottom at a maximum of 2,200 feet in depth where they spend most of their adult life. Prowfish can grow to a length of 40 inches or more having an elongated body that...

Bluefish, Pomatomus saltatrix
2013-10-22 10:54:52

The Bluefish (Pomatomus saltatrix) is the only living species of the family Pomatomidae. It is a marine pelagic fish that can be found around the world in temperate and subtropical waters, except for the northern Pacific Ocean. Bluefish are known as tailor in Australia, shad on the east coast of South Africa, and elf on the west coast. Other common names regarding this fish are blue, chopper, and anchoa. It is a good eating and game fish. The bluefish is moderately proportioned with a...

Ichthyology
2013-10-02 13:31:45

Ichthyology is the study of fish that focuses on many types of fish including cartilaginous fish, jawless fish, and skeletal fish. This branch of zoology can be associated with marine biology and fisheries science, as well as other areas of study. Ichthyologists, those who practice ichthyology, have discovered more than 32,200 species of fish, and it is thought that they discover 250 new species each year. Humans first began to study fish during the Upper Paleolithic Revolution, when humans...

Little tunny, Euthynnus alletteratus
2013-03-28 14:07:39

The little tunny is found widespread in temperate and tropical waters of the Atlantic Ocean, Black Sea and Mediterranean Sea. It is the most common tuna and is highly migratory, with a range from Cape Cod, Massachusetts to Brazil in the Western Atlantic. In the Eastern Atlantic it is found from Skagerrak to South Africa. The little tunny will form schools close to the shoreline, around inlets, and sandbars that can cover up to two miles. This fish prefers warm water and will migrate south in...

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...

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Word of the Day
baudekin
  • A rich embroidered or brocaded silk fabric woven originally with a warp of gold thread.
'Baudekin' seems to be an alternative form of 'baldachin,' from the Italian 'Baldacco,' Baghdad, the city where the material was made.
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