Inshore Fishes of the Arabian Gulf (The Natural History of

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 5.67 MB

Downloadable formats: PDF

This slow-moving, filter-feeding shark is the largest known fish species alive. These gelatinous creatures are flat-out deadly. But scientists say the Great White, which lives in the warm seas of the world, has gotten a bad rap. Despite their size, whale sharks prefer to feed on plankton, not people. Q: What did one shark say to the other after eating a clown fish? Smelt fishing is best a few hours on either side of high tide, and catches are most often greater at night.
Continue reading →

A Fly Rod of Your Own

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 6.88 MB

Downloadable formats: PDF

At close range, sharks use their eyesight to target prey. With a shark this size, one would probably expect them to have long, pointy teeth similar to those of a great white or tiger shark. Tourist numbers have since doubled, from approximately 10,000 to 20,000 per year, so expenditure will also have substantially increased (B. Improving the capacity to combat pirate fishing (illegal, unreported and unregulated fishing) of sharks is a key factor in ensuring that shark fishing and shark populations are sustainable.
Continue reading →

Savage Shore: Life and Death with Nicaragua's Last Shark

Format: Print Length

Language: English

Format: PDF / Kindle / ePub

Size: 14.24 MB

Downloadable formats: PDF

In most oviparous shark species, an egg case with the consistency of leather protects the developing embryo(s). That means their eggs are fertilized in the female's body. The first dorsal and the pectoral fins are large, but the second dorsal and anal fins are very small. The biggest one ever found reached 40.3 feet long. Eccentric Sand Dollar — Also just called the western sand dollar, this is a kind of flattened burrowing sea urchin that can be found on the Pacific coast from Alaska to Baja California.
Continue reading →

Watching Sharks in the Ocean (Wild World)

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 14.22 MB

Downloadable formats: PDF

The strength of the "shock" is related to the size of the eel, with larger individuals being able to produce more of a "shock." These small fish maintain so-called "cleaning stations" where other fish congregate and perform specific movements to attract the attention of the cleaners. [7] Cleaning behaviors have been observed in a number of fish groups, including an interesting case between two cichlids of the same genus, Etroplus maculatus, the cleaner, and the much larger Etroplus suratensis. [7] Immune organs vary by type of fish. [7] In the jawless fish (lampreys and hagfish), true lymphoid organs are absent.
Continue reading →

Elsevier's Dictionary of Fisheries: In English (with

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 8.53 MB

Downloadable formats: PDF

Almost all coral fishes are acanthopterygians, and numerous families including wrasses (Labridae), butterfly fishes (Chaetodontidae), gobies (Gobiidae), damsel fishes (Pomacentridae), and squirrel fishes (Holocentridae) stand for coral reefs worldwide. They can weigh up to 440 pounds, live over 100 years, and get as long as four feet across. This shortsighted view of the ocean ecosystem is dangerous--a shortage of sharks could be disastrous to the health of ocean food chains, including but certainly not limited to the ones we rely upon for food resources.
Continue reading →

Fly Fishing in Saltwater

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 7.45 MB

Downloadable formats: PDF

Some fish have specially adapted kidneys that vary in function, allowing them to move from freshwater to saltwater.” Skates and rays are internal fertilizers; this is helpful because it increases the chances that the embryos will be born and grow up to produce more of their own species. They average about 12 feet but may reach lengths of over 2o feet. One of the best studied examples is the introduction of Nile perch into Lake Victoria in the 1960s. It is an area that is nature rich, but money poor. "As a region with high rates of poverty, it is absolutely essential that New Guinea's precious reefs, rainforests, and wetlands are not plundered but managed sustainably for future generations," said Susanne Schmitt, New Guinea Program Manager at WWF-UK.
Continue reading →

Sharks of Hawai'i: Their Biology And Cultural Significance

Format: Hardcover

Language: English

Format: PDF / Kindle / ePub

Size: 6.34 MB

Downloadable formats: PDF

On the Scotian Shelf, this shark has most often been caught in water temperatures between 6 and 11 °C. The zebra fish is used as a model in studies of gene expression. Q: Why did the shark cross the great barrier reef? While the whales use baleen plates as strainers and whale sharks use gill rakers, both open the mouth wide, engulf a large quantity of water and prey, then close the mouth and force the water through the mucus coated strainers that hold food preparatory to swallowing.
Continue reading →

Big Boats (Will's World) (Volume 3)

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 12.47 MB

Downloadable formats: PDF

Swordfish — This type of fish loses all scales by adulthood. Fish swim by flexing their bodies, forming waves of contractions along their muscles. Orcas have also been mentioned as predators of juvenile whale sharks. GAME QUALITIES: Less spectacular but otherwise pretty much the equal of the Blacktip as a light-tackle gamester. Q: What brand of caramel-coated popcorn and peanuts do sharks prefer? The lower jaw is hinged onto the skull and moves in an up and down direction.
Continue reading →

Hook, Line, and Sinker: Classic Fishing Stories

Format: Print Length

Language: English

Format: PDF / Kindle / ePub

Size: 7.24 MB

Downloadable formats: PDF

This page is all about the shark anatomy from the outside to the inside. Their kidneys produce dilute urine for excretion. Great Hammerheads are viviparous and typically give birth to a liter between 20 and 40. Ernest hemingway fished in Mass Bay for giant tuna. And then there are the teeth -- 300 total in up to seven rows. On their last dive the observers recorded 5 additional species. Given the importance of beaches to the Spanish economy, jellyfish swarms are regularly reported in the local press in summer.
Continue reading →

Favorite Fishes of Minnesota (Foldingguides)

Format: Paperback

Language: English

Format: PDF / Kindle / ePub

Size: 14.01 MB

Downloadable formats: PDF

Cartilage is both tough and flexible and it provides sufficient structural support to enable cartilaginous fishes to grow to considerable size. The New Encyclopaedia Britannica admits that the relationship of sharks, rays and chimaeras (see description below) is subject to “varying interpretation”: “Although both groups have many characteristics in common, such as the possession of a cartilaginous skeleton … the two groups may have evolved independently along parallel lines … .” 18 This idea of “parallel evolution” is often invoked by evolutionists to explain amazing similarities which, for other reasons, could not have come about through sharing a common ancestor.
Continue reading →