Sentences with phrase «dorsal fins»

Between 100 and 200 million sharks are killed each year, mostly for their dorsal fins (to make soup, popular in parts of Asia, particularly Taiwan, Singapore, Thailand, Japan and now China) and their jaws (sold to ignorant or unscrupulous collectors).

As he swam, his companions were startled by the appearance of two dorsal fins — great white sharks, heading straight toward Jones.

In June 2016, shark researchers from the environmental group Beneath the Waves and the University of Miami affixed satellite transmitters to the dorsal fins of 10 blue sharks in the northwest Atlantic and collected data on their location over a 110 - day period.

From the photographs collected of individual sharks» dorsal fins, which have unique marks and jagged edges, the researchers estimate that there are 219 adult and sub-adult white sharks in the region.

Between 100 and 200 million sharks are killed each year, mostly for their dorsal fins (to make

By luring sharks in and photographing their unique dorsal fins, the scientists from UC Davis and Stanford University could count individuals.

These whales are especially characterized by the dorsal fins present in their ventral pleats and their backs.

The interactive program includes a variety of dolphin activities, among which you can enjoy the Dorsal Tow, where two dolphins will pull you across the crystal water as you hold on to their dorsal fins.

In the next several minutes, the dorsal fins got bigger and bigger.

Midway through the Strait, guide Antonio Monzon sighted three large male orca dorsal fins coming towards us.

The interactive dolphin program also includes the dorsal tow, where two dolphins will pull you across the water as you hold on to their dorsal fins.

«Remora front dorsal fins have evolved to enable them to adhere by suction to smooth surfaces and they spend their lives clinging to a host animal such as a whale, turtle, shark or ray.

Their dorsal fins are extremely small, and their pectoral flippers are long and thin.

Our smooth trip over was punctuated with views of frosted mountain ranges, lush forests and Dall's porpoises with their iced dorsal fins slicing the water surface.

They have 2 dorsal fins, 2 pectoral fins and 5 large gill slots.

Keep your eyes peeled for dorsal fins!

The Yellowfin Tuna have bright yellow dorsal fins and silver to black underbellies.

The Yellowfin Tuna have bright yellow dorsal fins and silver to...

They do not possess dorsal fins but have a series of «knuckles» on their backs.

Our guides can often distinguish different orca clans by the sounds that they make and even identify many of the individual orcas through the shapes and markings of their dorsal fins.

So clumsy was Sharknado 3, it seemed slapped together by someone with dorsal fins rather than opposable thumbs.

They are the largest of the bony fish and often get mistaken for sharks due to their dorsal fins.

Accordingly, scientists never came up with a convincing idea of what these creatures looked like, with some teams suggesting the whorls sprouted from the nose like an elephant's trunk, and others placing toothy appendages on the creature's tail, dorsal fins, or drooping from the lower jaw.

They photographed and identified whales based on physical marks such as nicks in their dorsal fins.

The tags, which are placed just below the dorsal fins, measure temperature, depth, and light levels of the waters the fish swim in.

In the early evening hours, the scientists also observed mosquitoes landing on the animals» exposed dorsal fins for a meal.

They also developed larger eyes and the spines of their dorsal fins were longer.

The researchers used a small boat to tow an array of underwater microphones, called hydrophones, about 2 meters below the surface and recorded the sounds of individual dolphins identified by their dorsal fins.

Dr Sara Andreotti, a marine biologist in the Department of Botany and Zoology at SU, have collected over 5000 photographic images of the dorsal fins of white sharks along the South African coastline as part of her research on the population structure of South Africa's great white sharks.

And now the bass weren't 50 yards away, they were all around me, erect dorsal fins cutting the water.

One of the saddest facts is that the whales» dorsal fins all droop down like they're depressed, which one of the trainers in the movie said only happens when they're in captivity.

The numbers are getting lower each year as more sharks die as by - catch in fishing operations and get hunted for their dorsal fins.

Ultimately, the curved dorsal fin is still a mystery.

This eight - page bill was the dorsal fin of legislation: It was alarming for what it didn't show.

There are few more universally terrifying images, it seems, than the sight of a dorsal fin (or worse, multiple fins) cutting a circle in the rolling surface of saltwater.

It is the sight of a tail and a dark dorsal fin cutting the smooth apron of water directly below the anchored johnboats.

In a typical passage he savors the grayling's «beautifully spotted dorsal fin» and the fish's aroma — «like wild thyme when first taken from the water.»

The familiar propeller scar on its left side and the shape of its dorsal fin are like a telltale fingerprint.

The oversized dorsal fin that gives the sailfish its name is usually kept folded down to the side while the fish is swimming, but it's hoisted up when the fish feels threatened or in the course of a hunt.

In addition, a porpoise's dorsal fin is generally triangular, rather than falcate (curved) like that of many dolphins and large whales.

The image recognition software they developed, called Identifin, compares a semi-automatically drawn trace of the back edge of the dorsal fin to existing images in the database.

This is because the trailing edge of the dorsal fin provides a unique trade, analogous to a human fingerprint.

But the biggest treat arrived while I was snorkeling afterwards, when I was treated to a swim with a whale shark — a filter feeder, not a predator — so close that our local guide, Diego, could pet its dorsal fin (I have my limits).

Up to 100 million sharks are killed each year by finning: Fishermen cut off a shark's dorsal fin to sell as a delicacy and dump the wounded animal back into the ocean to die.

It has an elongated body, up to 2.5 m long, a spearlike snout, and a long rigid dorsal fin, which extends forwards to form a crest.

There was never a huge number of these freshwater dolphins, characterized by a long, tapering snout and a crestlike, remnant dorsal fin; the several thousand reported in ancient accounts had dwindled to just a few hundred by last decade.

The dorsal fin of a resident is usually rounded on top while the fin of a transient is pointed.

Wells, a conservation biologist, plants his feet and spins the wheel of his 18 - foot open fisherman, veering toward the spot where he's glimpsed a sleek dorsal fin under the Lido Key Bridge.

(The original stock had no blue bars on the dorsal fin.)

The ones along the northern coast of the island had developed about four vertical blue bars on the black dorsal fin, whereas the ones along the southern coast had only two or three.