Sharks

Pygmy octopuses are intelligent and curious mollusks and make for interesting pets. These strange marine creatures are however able to squeeze through the smallest of spaces and require a well-sealed…

Sharks are fascinating animals: sleek, deadly and predatory. And as with any interesting animal, sooner or later people will wonder if they can be kept in aquariums. The answer is a qualified yes, but…

Bluefin and yellowfin tuna are quite similar in appearance with one big thing in common: they are both hunted for food. Bluefin are especially prized for their value in sushi and are endangered…

Rainbow fish are small, freshwater fish from New Guinea. The fish are silver, but the scales reflect a variety of colors in the light. The fish grow up to four or five inches in length, if the tank is…

The British Virgin Islands are a group of around 50 inhabited and uninhabited islands in the British West Indies region of the Caribbean. The BVI are located in an area made up of coral reefs -- some…

Hammerheads are a specialized genus of sharks that consist of nine known species. The unique appearance of these animals is an adaptation to help them locate prey, giving them better senses than a lot…

Since the beginning of human history, humans have interacted with animals. During hunter-gatherer societies, animals were primarily hunted and eaten. As agriculturalist societies became more and more…

Diving with sharks can be an exhilarating experience, however, divers must ensure that proper safety precautions have been met. A chain-mail diving suit is always a good idea when shark diving. For…

Aquarium sharks refer to freshwater fish unrelated to the marine species. These schooling tropical fish are attractive community tank members. Although known for being assertive, these fish are…

The Red-Tailed Black Shark is originally from sunny Thailand. Although the fish are common in aquariums, they are no longer found in the wild. They have a black body and a bright red tail and get as…

The tiger trout is a kind of fish that is born due to the breeding of male brook trout with female brown trout. The hybridization process occurs when the male sperm is fertilized with the female eggs.…

Sharks can provide large-aquarium owners with rare beauty. Hammerheads -- named because their heads look like flattened hammers -- eat fish, rays and other sharks in the wild. Knowing how to feed them…

Sand tiger sharks are ovoviviparous and their embryos develop within the mother's uterus after breaking through a thin egg case. The developing sand shark pups feed on each other and by the time their…

The freshwater rainbow shark (Epalzeorhynchos frenatus) can succeed in a home aquarium with minimal care. Semi-aggressive, the fish will coexist with tank mates but often makes war with its own kind…

Rainbow sharks are popular aquarium fish that live in freshwater. They are not sharks, as their name suggests, but are territorial minnows native to Thailand with a small, sharklike dorsal fin.…

The world's smallest bird is a mere 5.7 cm long. Scientists tell us that this is probably the smallest that a vertebrate animal can be. Bird conservation is important in the changing world; facts…

The smallest shark in the world is known as the Dwarf Lantern shark, or Etmopterus perryi. According to the Smithsonian Institute, the Dwarf Lantern shark was originally discovered in 1985 off of the…

Sharks are a predatory saltwater fish. They are distinguished from other saltwater fish by their sleek scaling that facilitates swimming. Sharks also shed and replace their teeth continually. They can…

Rainbow smelts are slender fish between 6 inches and 8 inches in length. Although an anadromous species, which leaves the ocean to breed in freshwater streams, a number of landlocked or freshwater…

Iridescent sharks are not actually sharks, but rather a species of freshwater shark catfish. They cannot be bred in aquariums, as they are too large when full-sized. These catfish come from the…

Rainbow sharks are freshwater, bottom-dwelling fish that grow about 6 inches long in a home aquarium. They have blackish-green bodies accentuated by red fins. The fish are easy to keep in captivity,…

Fishing in the ocean for sharks requires you to know how to identify the sharks you have caught. You cannot catch endangered sharks and must release them. There are hundreds of different types of…

If all you know about sharks comes from "Jaws," then most of what you know about sharks is based on myth. For example, it's a myth that shark attacks are commonplace. In fact, according to Ralph…

Breeding aquarium fish can be a joy and a challenge for aqua hobbyists. Some species like guppies and swordtails breed easily and frequently in the home aquarium, while other species are rarely known…

Each species of shark has a unique diet, feeding on different things depending on its habitat. Some sharks, like great whites and tiger sharks, sometimes feed on mammals such as seals and small…

Along with snakes, spiders and rodents, sharks are another creature whose reputation causes immediate fear. But not all sharks are the monsters that film and television have portrayed them to be. In…

Sharks continually shed and grow new teeth throughout their lives. A tooth may only last in the shark's mouth for 10 days, meaning it sheds approximately 1,800 teeth each year. The teeth range from…

The tiger shark is a common large breed of shark and, although they can be found all over the world, are frequent visitors off the Florida coast and the Caribbean. The tiger shark is known for its…

There are several species of so-called "sharks" available for home freshwater aquariums. These fish actually belong to the cyprinid family, which includes minnows, barbs rasboras and danios. Although…

Gummy sharks are members of the harmless family of hound sharks. This small shark, which feeds on a diet of crabs, octopus and squid, makes long migrations from Tasmania to Western Australia during…

The Bala shark, also known as the silver shark or the tri-colored shark, is not really a shark. It is considered a tropical fish that looks like a shark, such as the shape of its dorsal fin. Telling a…

Baby sharks are called pups. The facts about shark pups will depend upon the specific species, though there are some facts that remain constant in regards to conception, gestation, birth, survival and…

While most fish avoid contact with humans and are harmless, there are some species that use biting as a defense against predators or as an offensive measure. There are a few specific kinds to be aware…

Toxins cause health problems for marine and freshwater fish, and in turn for the people who eat those fish. Pollution is linked to fish diseases, reproductive problems and mutations. The toxins…

Despite its name, the red-tailed shark (Epalzeorhynchos bicolor) is not a shark. It has scales and lacks teeth. It is more closely related to carps and goldfish. It gets its name from its dorsal…

Although Preparation H is widely known for its use in hemorrhoid treatment, it has also been used to treat wrinkles and puffy eyes. Some veterinarians have also used it to promote incision healing.

Shark cartilage is a supplement made from the connective tissue of sharks. It has been promoted as a treatment for cancer in humans and animals. According to Doctors Foster and Smith, it is a…

The mako shark is a long blue shark known all over the world. It is found in all oceans, and the sight of its sleek, pointed body speeding through the water can send a chill up anyone's spine.

Pelagic fish are migratory fish that swim close to the surface of the water column in coastal, lake or ocean waters. Coastal or inshore fish swim the more shallow waters over the continental shelf.…

The Mako Shark--named for the Maori word of mako meaning shark--is a beautiful and aggressive species highly sought after by recreational fisherman. It was famously mentioned in the iconic Ernest…

Take a streamlined frame, a keen sense for electromagnetic pulses, a few rows of daggerlike teeth and hundreds of millions of years of practice, and the result is an aquatic hunter that has claimed…

Tiger sharks, or Galeocerdo cuvier, are among the largest species of shark. Tiger sharks are one of only a few shark species that change skin patterns and body forms throughout their stages of growth.…

The Megalodon shark became extinct two million years ago, according to the Florida Museum of Natural History. Megalodon sharks first appeared on the earth approximately 17 million years ago. The…

Basking sharks are the second largest living fish in the world's oceans. On average, the basking shark is about 7 to 9 meters long and weighs about four tons. This slow-moving and generally harmless…

Hammerhead sharks, or Sphyrnidae sphyrna, are found all over the world in the deepest parts of the ocean, usually far away from land. They are grayish in color, sometimes appearing to have a green…

Home aquarium sharks are often small sharks that don't grow to be very large, as sharks need a large amount of water in which to swim to be healthy and survive. So you either need a very large tank…

If you have a home aquarium, a shark can be an interesting and exciting addition to your tank. To buy a shark for your home aquarium, you will need to be very prepared, as a mistake could result in…

Not much is known about the megamouth shark or its diet because it lives in the deep sea and is less mobile than most species. There have only been 47 sightings of megamouth sharks that have been…

Pet stores can offer a wide variety of fish depending on the store's size and customer base. Most pet stores will offer fish suitable for aquariums and fish bowls. Larger stores or specialty shops…

Sharks have been around since before dinosaurs roamed the Earth. During the past 70 million years, sharks have remained virtually unchanged in their anatomy and physiology. These fearsome fish live in…

The tapeworm, a parasitic flatworm, spends its adult life within the gut of its host vertebrate. All known species of sharks carry tapeworms. The sharks aren't sick. For them, tapeworms are just a…

The northern pipefish is a small, long fish closely related to the seahorse. Northern pipefish are found along the Atlantic coast of North America, from the Gulf of St. Lawrence to the Gulf of Mexico.…

Copepoda is a subclass of crustaceans, which include shrimps, crabs, and lobsters, within the larger anthropod phylum that also includes insects. There are approximately 14,000 species, many of them…

When zoos and aquariums are faced with the daunting task of cleaning their shark pools, they have a few tricks to keep both their staff and their livestock safe. Of course, all staff and volunteers…

Sharks are one of the most revered predators on the planet. They've patrolled the oceans relatively unchanged for millions of years and are very complex animals by nature. Most fish breed externally,…

The great white shark, also known as Carcharodon carcharias, has a gray and white belly and is the largest predatory fish on earth. It lives an estimated 30 to 40 years and, in maturity, it can reach…

The sand tiger shark, also known as the gray nurse shark or sand tiger, has a frightening appearance because of its ragged teeth. Sand tiger sharks are a brown-gray color with rust colored spots on…

Bala sharks, although not true sharks, are popular among freshwater aquaria enthusiasts. These, attractive, peaceful, but active, fish need lots of space to accommodate their optimal growth. Like all…

Sharks are undoubtedly one of the most recognizable animals on the planet, being featured in movies, games, TV shows and museum and as toys. Despite their popularity, most are extremely uncommon in…

Sharks have been around for millions of years, with the most notorious being the Carcharodon megalodon, which is considered to be the great-grand-daddy of the modern-day Great White shark. There are…

Despite overwhelming opposition, shark feeding has become an increasingly popular pastime for many shark enthusiasts. Provided you like extreme adventure, an episode of shark feeding would definitely…

For many years, scientists have debated if the ancient Megalodon shark is an ancestor of the great white shark. While this fact still has not been proven, the two species share several commonalities.…

When a baby shark emerges into the world, it is fully able and expected to care for itself and will have no further interaction with its mother. Some female sharks lay eggs that will hatch outside of…

Available in both powder or capsule forms, shark cartilage supplements are used for the temporary relief of arthritis in dogs. The supplement is rich in mucopolysaccharides, carbohydrates, vital amino…

Fish make up the largest percentage of vertebrates on earth. There are roughly 22,000 species of fish, and they come in every conceivable shape, size and color. Fish are an integral part of all…

Sharks have body parts that are common to all species, but certain species have body parts that have evolved to fulfill certain needs for that particular species. Because sharks do not have a swim…

People around the world enjoy keeping sharks as pets within home aquariums. Factors including the size of your aquarium, the ultimate size of the shark when full-grown, the temperament of the species…

The mako shark is similar to its cousin, the great white, in that it maintains a higher body temperature than the water it swims in. Utilizing its high metabolic rate, the mako matures more quickly…

Nurse sharks are generally found at depths shallower than 100 feet and primarily feed at night. Identify Nurse sharks with tips from a Caribbean scuba instructor in this free video on tropical fish…

Sharks a difficult pets to care for, and require a very large tank and specific food. Find out about pet shark care with tips from the manager of a fish pet store in this free video on pet care.

Pet sharks can be bought either online or at local pet shops specializing in exotic fish and marine animals. Find out where to buy a shark with tips from the manager of a fish pet store in this free…

There are a variety of sharks that can be kept as pets. From rainbow sharks to bala sharks, these pets require special care in order to thrive. They are not for the beginner, and they are not for…

Before you fill your aquarium with shark, you should spend time researching the various breeds and decide if such an exotic and long-lived animal is a good fit for you and your home. Finding the…

The blood scent is one of the strongest attractants in the animal kingdom, and for sharks it is no different. They have the ability to detect the scent of blood even in very tiny quantities from quite…

Sharks are an exotic pet and require extra responsibility. Here are some basic tips and info for shark ownership.

There are many different species and types of sharks. Most all of those species have a different mating ritual. It is difficult to generalize one particular behavior that is indicative of all sharks.…

You’re not about to keep a great white named Jaws in a bathtub, but you’d really like to have a pet shark. Many smaller fish known as “sharks” can be found in pet stores…

Bamboo sharks are among the smallest members of the shark species. These fish are bottom dwellers and feeders. There are different types of bamboo sharks, but the care for all of them is the same.