Latest Shoaling and schooling Stories
BRUSSELS (Reuters) - Europe's trawlermen should cut back drastically next year on trawling for herring in the North Sea as juvenile herring are not maturing properly, a respected group of international scientists warned on Tuesday.
A group of Boston-area scientists has come up with what they say is a better way of tracking and estimating fish populations, which in turn could change the way fishery regulators manage the resource.
Thousands of salmon, tuna and other fish with electronic tags are revealing mysterious Pacific Ocean migration highways that may give clues about how to rebuild dwindling stocks, scientists said on Wednesday.
With a record number of dead seabirds washing up on West Coast beaches from Central California to British Columbia, marine biologists are raising the alarm about rising ocean temperatures and dwindling plankton populations.
Each winter, schools of silvery herring pass beneath the Golden Gate Bridge on the way to drop their eggs in the lushly vegetated corners of San Francisco Bay.
How a flock of birds or school of fish may go in a single direction without having a permanent leader is a mystery of social organization. But adding a mechanized component to the question raises the possibility of robotic swarms which may lack much in the way of social skills or leadership qualities.
The Obtuse Barracuda (Sphyraena obtusata) is a member of the barracuda family Sphyraenidae. It is found in tropical oceans of the world. It has a length of up to 21.5 inches long. It is an elongated fish with widely separated dorsal fins. The back is greenish and the underside is silver with three unclear dark brown longitudinal bands, two above and one below the lateral line. Its snout is pointed and has a large mouth filled with sharp, widely spaced teeth. The Obtuse Barracuda is a...
The Atlantic herring, Clupea harengus, is the one of the most abundant species of fish on the planet. They can be found on both sides of the Atlantic Ocean congregating together in large schools (or swarms). They can grow up to 17.72 in (45 cm) in length and weigh more than 1.1 lb (0.5 kg). They feed on copepods, krill and small fish, and their natural predators are seals, whales, cod and other larger fish. The Atlantic herring fishery has long been an important part of the economy of New...
The Blue runner (Caranx crysos) is a fish found along the coastlines of the Atlantic Ocean, mostly in the inland waters of the east coast of North America and the west coast of Africa. The fish has a rounded body shape and can grow to up to 27.56 in (70cm) long and weigh more than 11 lb (5kg). The body is silvery blue in color with a large eye. Blue runners are known as very fast and aggressive fish, traveling in schools and eating smaller fish and invertebrates. Schools may also pick...
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