The name Tigerfish is often given to freshwater fish belonging to the genus Datnioides, also known as Datnoids. These fish are also known as freshwater tripletails and there are five different species. Tigerfish are predatory fish that feed on smaller fish so they are not recommended for the community tank. These fish are semi-aggressive by nature but they can sometimes be kept with other fish of similar size – keeping them in groups with five of their own species may also reduce predation.
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There are several factors contributing to the decline in the population of the sand tigers. Sand tigers reproduce at an unusually low rate, due to the fact that they do not have more than two pups at a time and because they breed only every second or third year. This shark is a highly prized food item in the western northern Pacific, off Ghana and off India and Pakistan where they are caught by fishing trawlers, although they are more commonly caught with a . Sand tigers' fins are a popular trade item in Japan. Off North America, it is fished for its hide and fins. is a popular product in beauty products such as lipstick. It is sought by anglers in fishing competitions in South Africa and some other countries. In Australia it has been reduced in numbers by spear fishers using poison and where it is now protected. It is also prized as an aquarium exhibit in the United States, Europe, Australia and South Africa because of its docile and hardy nature. Thus, is a major contributor to the population decline. All indications show that the world population in sand tigers has been reduced significantly in size since 1980. Many sand tigers are caught in shark nets, and then either strangled or taken by fishermen. along the United States of America's eastern Atlantic coast houses many of the young sand tiger sharks. These estuaries are susceptible to that is harmful to the pups.
Hydrocynus vittatus - Wikipedia
The sand tiger is often associated with being vicious or deadly, due to its relatively large size and sharp, protruding teeth that point outward from its jaws; however, these sharks are quite docile, and are not a threat to humans. Their mouths are not large enough to cause a human fatality. Sand tigers roam the surf, sometimes in close proximity to humans, and there have been only a few instances of unprovoked sand tiger shark attacks on humans, usually associated with spear fishing, line fishing, or shark feeding. As of 2013, the database of Shark Attack Survivors does not list any fatalities due to sand tiger sharks. When the sharks become aggressive, they tend to steal fish or bait from fishing lines rather than attack humans. Owing to its large size and docile temperament, the sand tiger is commonly displayed in aquariums around the world.
It grows to a length of 105 centimetres (41 in) SL.