Search results
Results from the WOW.Com Content Network
Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, [3] are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families. [4]
Cataracts typically occur when proteins break down in the lens of a dog's eye and clump together, obstructing the passage of light. [ 1 ] [ 2 ] There are several reasons cataracts may occur in dogs, such as heredity, trauma, aging, diabetes , glaucoma , and progressive retinal atrophy .
This shark is known to hunt in packs that can range up into the thousands. They are aggressive hunters and have a sizable diet that can range from squid, fish, crab, jellyfish, sea cucumber, shrimp and other invertebrates. [8] Dogfish sharks experience one of the longest gestation periods of any organism, which can last from around 18 to 24 months.
The dusky smooth-hound (Mustelus canis), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. [1] This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
The Pacific spiny dogfish has a unique system of ventilation. This type of dogfish has five gills on each side of their heads, but do not have gill covers like bony fish. The shark is able to breathe with these gills by swimming or staying in a current. The Pacific spiny dogfish also has a special feature called a spiracle.
One dog came face-to-face with a hammerhead shark after jumping into the water in the Bahamas. On Feb. 16, passengers on a boat tour of the Bahamas witnessed the tense face-off between the animals ...
Why do sharks attack humans? According to the Shark Research Institute, there are over 400 plus species of shark around the world, which include great white sharks, tiger sharks and bull sharks.
Scyliorhinidae is a family of sharks, one of a few families whose members share the common name catsharks, belonging to the order Carcharhiniformes, the ground sharks. Although they are generally known as catsharks, some species can also be called dogfish due to previous naming. [ 2 ]