Quantcast

Latest Ichthyology Stories

d5129a60401ad36141b4d79c0b9d0c9d
2011-05-26 10:10:18

Whale sharks (Rhincodon typus) are often thought to be solitary behemoths that live and feed in the open ocean. Scientists at the Smithsonian Institution and colleagues, however, have found that this is not necessarily the case, finding that whale sharks can be gregarious and amass in the hundreds to feed in coastal waters. Aggregations, or schools, of whale sharks have been witnessed in the past, ranging from several individual sharks to a few dozen. However this new research, which involved...

a57909f82f19d4b1abf90c8b48b351ea
2011-05-23 09:20:31

A Star-mapping Algorithm For The Hubble Space Telescope Also Helps Researchers Keep Tabs on Rare Animals The speckle-skinned whale shark, despite growing to lengths of up to 40 feet, is among the rarest and least understood fish species. Its name in Madagascar"”"marokintana""”means "many stars." It's fitting, then, that researchers are now tracking these filter-feeding leviathans using an innovation originally designed to help NASA map the heavens. In 2002, Portland, Oregon,...

645c7403cd832d057678725a7c096343
2011-05-02 14:20:00

According to a new study released Monday by researchers in Australia, a single reef shark can be worth about two million dollars in tourism revenue over its lifetime. The analysis from the Pacific island nation of Palau shows that sharks are worth many times more to local economics alive than dead. "Sharks can literally be a 'million-dollar' species and a significant economic driver," said lead author Mark Meekan, a scientist at the Australian Institute of Marine Science. "Our study shows...

2011-05-01 23:00:00

WASHINGTON, May 2, 2011 /PRNewswire-USNewswire/ -- A single reef shark can contribute almost US$2 million in its lifetime to the economy of Palau, according to a new study by the Australian Institute of Marine Science (AIMS) and the University of Western Australia. The analysis quantified the economic benefits of the shark-diving industry to the Pacific island nation and found that its value far exceeded that of shark fishing. (Photo: http://photos.prnewswire.com/prnh/20110502/DC92959 )...

2011-04-28 21:24:24

A novel way to ramp up biodiversity Bruce Carlson stands next to a fish tank in his lab, holding a putty colored Radio Shack amplifier connected to two wires whose insulation has been stripped. At the bottom of the tank a nondescript little fish lurks in a sawed-off section of PVC pipe. Carlson sticks the two bare wires into the tank. Suddenly we hear a rapid-fire pop, pop, pop, pop, pop, pop. The pops, which are surprisingly loud, sound rather like the static on an old-fashioned tube radio...

2011-04-18 09:30:00

SAN FRANCISCO, April 18, 2011 /PRNewswire/ -- Aquarium of the Bay today unveiled its No Fins, No Future: Support AB 376 exhibition to help local sharks by spurring support for the passage of Assembly Bill, AB 376, which would ban the possession, sale, trade and distribution of shark fins in California. No Fins, No Future will highlight the importance of this legislation through a multimedia station, including WildAid's public service announcement by Yao Ming. An action station will...

27dc14d29fd6764579bdd1e9398c86dc1
2011-03-10 14:06:41

By Danielle Torrent, University of Florida A new study led by a University of Florida researcher uses tracking data of three shark species to provide the first evidence some of the fish swim directly to targeted locations. Researchers found tiger and thresher sharks showed the ability to orient at large distances, with tiger sharks swimming in direct paths at least 4 miles away and reaching specific resource areas about 30 miles away, said lead author Yannis Papastamatiou, a marine biologist...

2011-03-09 18:11:47

Photographs of fins used to ID individual sharks In the first census of its kind, research led by UC Davis and Stanford University found that there are far fewer white sharks off central California than biologists had thought. The study, published today in the journal Biology Letters, is the first rigorous scientific estimate of white shark numbers in the northeast Pacific Ocean. It is also the best estimate among the world's three known white-shark populations (the others are in...

149fdaa9a79211a86ca4d7fc328d52e61
2011-03-09 11:59:12

NSF CAREER awardee studies the behavior of schooling fish and creates biologically inspired robots that may someday help preserve marine life Scientists have long turned to nature for inspiration and innovation. From unlocking the secrets of spider silk to create super-strong materials to taking hints from geckos for new adhesives, clues from the natural world often lead to advances in our practical world. But the relationship between engineering and nature has been largely one-directional,...

2011-02-24 04:17:00

Pew applauds Pacific Islands for leading world on shark conservation WASHINGTON, Feb. 24, 2011 /PRNewswire-USNewswire/ -- The Senate of Guam, a U.S. territory in the Pacific Ocean, passed a bill today banning the sale, possession and distribution of shark fins. With this legislation, sponsored by the Guam Senate's Vice Speaker B.J. Cruz, the Pacific islands continue to lead the world in the fight for shark conservation. It now moves to Governor Eddie Baza Calvo for his signature. "More...


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...

More Articles (34 articles) »
Word of the Day
ambsace
  • Bad luck; misfortune.
  • The smallest amount possible or the most worthless thing.
The word 'ambsace' comes from a Latin word meaning 'both'.