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Latest Carcharhinidae Stories

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...

452a94589895b0ba6d1963bfc604d13d1
2011-03-02 11:15:59

Researchers, writing in the Journal of Animal Ecology suggest that some shark species have "mental maps" of their ranges and can pinpoint locations in the ocean up to 30 miles away. Tagged with acoustic transmitters, scientists analyzed data from tiger sharks, and found that they took directed paths from place to place, AFP is reporting. Using nine Blacktip reef sharks and 15 Threshers which had been tagged with trackers and released off Hawaii, Palmyra atoll in the Pacific or southern...

8a81dbb82145b4e4f4c730aa5cf01f911
2011-02-28 08:59:26

New study provides new insight into the largely unknown migratory patterns and habitat use of the endangered shark A study led by scientists at the University of Miami (UM) Rosenstiel School of Marine & Atmospheric Science details the first scientific research to successfully track a great hammerhead shark using satellite tag technology. Rosenstiel School Research Assistant Professor Neil Hammershlag and colleagues tracked one of the nomadic sharks for 62 days to uncover its northeast...

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...

2011-02-14 11:00:00

SAN FRANCISCO, Feb. 14, 2011 /PRNewswire/ -- California Assembly Members Paul Fong and Jared Huffman today introduced a bill to prohibit the sale of shark fins in California to the State Assembly. California is one of the largest sources of demand for shark fin outside Asia and this bill would represent a major step towards reducing pressure on shark populations. Furthermore the bill complements the ban introduced in both Hawaii and the Commonwealth of North Mariana Islands (CNMI) as well...

2011-01-26 23:01:00

After Ten Years International Plan to Save Sharks Still Not Implemented WASHINGTON, Jan. 27, 2011 /PRNewswire-USNewswire/ -- A decade after members of the United Nations Food and Agriculture Organization (UN FAO) approved an international plan to conserve sharks, a new analysis finds that it has yet to be fully implemented. With 30 percent of all shark species now threatened or near threatened with extinction, there is little evidence that the plan has contributed significantly to improved...

2010-12-06 18:04:00

HONOLULU, Dec. 6, 2010 /PRNewswire-USNewswire/ -- Scientific recommendations for improving information on population status and fishing of sharks will be considered this week at the annual meeting of the Western and Central Pacific Fisheries Commission (WCPFC). Scientists are recommending that the WCPFC adopt a three-phase shark research plan, identify species of concern, and make reporting on shark catches mandatory. Shark catch reporting has proved a challenge for some WCPFC member...

2010-11-27 08:10:00

ICCAT Protects Oceanic Whitetip Sharks, Limits Hammerhead Fishing & Improves Mako Measures PARIS, Nov. 27, 2010 /PRNewswire-USNewswire/ -- Shark Advocates International is welcoming progress toward conserving sharks made at this week's annual meeting of the International Commission for the Conservation of Atlantic Tunas (ICCAT). After considering a record number (six) of proposals for shark measures, the ICCAT Parties agreed to prohibit retention of oceanic whitetip sharks, restrict...

9061821e4d91da9e0c43ac06237707241
2010-11-22 12:35:00

According to a new report, at least 1.3 million sharks were harvested from the Atlantic in 2008 by industrial-scale fisheries unhampered by catch or size limits. The study, which was released by advocacy group Oceana, said the actual figure may be higher due to under-reporting. Oceana released the report at a meeting of the International Commission for the Conservation of Atlantic Tunas (ICCAT). The 48-member ICCAT is responsible for ensuring that commercial fisheries are...


Latest Carcharhinidae Reference Libraries

Barbeled Houndshark, Leptocharias smithii
2012-09-03 08:24:18

The Barbeled houndshark (Leptocharias smithii) is a species of bottom dwelling shark and sole member of the Leptochariidae family. It is a fish found in the Atlantic Ocean, inhabiting coastal waters of Africa from Mauritania to Angola and found at depths up to 246 feet. It is occasionally found as far north as the Mediterranean Sea. Its habitat is typically muddy water around river mouths. This fish can grow up to 32 inches in length, and is characterized by its long, slender body,...

48_132fa07ad2260cf83b3e2177d721a081
2009-01-13 18:47:43

The Blind Shark (Brachaelurus waddi) is a species of blind shark found in the subtropical southwest pacific Ocean. It is most commonly found off the coast of Queensland and New South Wales, between latitudes 8° S to 33° S. It is sometimes spotted in shallow tide pools where it is barely submerged or sometimes deeper. It prefers rocky shoreline and coral reefs. It thrives well in aquariums and can live out of water for an extended period. The Blind Shark reaches a length of about 48...

39_da8759f249350b78a5e9723dd881748c
2007-04-13 19:56:36

The Kitefin shark, Seal shark, or Black shark, Dalatias licha, is a dogfish, the only species in the genus Dalatias, found in the Atlantic, western Mediterranean, western Indian Ocean, and western Pacific including Japan, Australia, Hawaii, and New Zealand, at depths of 164.04 to 5905.51 ft (50 to 1,800 meters). Its length is from 3.28 to 5.91 ft (1 to 1.8 meters). The Kitefin shark has a blunt snout and both dorsal fins are approximately equal in size. The trailing edges of all fins are...

39_3d3bfff0e75ff998a752299cc4c6950f
2007-04-13 19:44:35

The Bala shark, Balantiocheilos melanopterus, also known as the tricolor shark, silver shark, or shark minnow, is a schooling community fish of family Cyprinidae and the sole member of the genus Balantiocheilos. This species is not a true shark, but is commonly called a "shark" because of its torpedo-shaped body and large fins. Native Habitat The Bala shark's native habitats include streams and rivers in Southeast Asia (Sumatra, Thailand, Borneo, Malaysia, etc.) Aquarium Care...

39_b06f453006746cc3df8571264c018544
2007-03-13 10:25:08

The Lemon shark, Negaprion brevirostris, is a well studied shark belonging to the family Carcharhinidae. Distribution and habitat It is found mainly along the subtropical and tropical parts of the Atlantic coast of North and South America. Reproduction Lemon sharks are viviparous, females giving birth to between 4 and 17 young every other year in warm and shallow lagoons. The young have to fend for themselves and remain in shallow water near mangroves until they grow larger. With...

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Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.