The fastest fish in the world is the sailfish; it can swim 68 miles per hour and generally prefers warmer parts of the ocean. The second fastest fish is the marlin, a species that can swim 50 miles per hour.
The sailfish has a long bill and is blue, brown and silver in color. It feeds on mackerel, sardines and anchovies. Most sailfish do not grow more than 9.8 feet in length and do not weigh more than 200 pounds.
Some types of marlin can grow more than 16 feet in length and weigh more than 1,400 pounds. It has a long bill and is blue or black in color. Marlin like to eat mackerel, tuna and squid. Both the sailfish and marlin are popular catches for fishermen.Learn More
There are multiple possible fastest animals in the sea due to the difficulty of measuring animal movement speeds in the open ocean; however, the fastest verified animal is the sailfish, whose leaps can propel it up to 68 miles per hour. Other contenders are the black marlin and swordfish.Full Answer >
The whale shark is the largest fish in the oceans. The largest whale shark measured 40 feet in length, and scientists believe they can get even larger. A typical whale shark weighs close to 20 tons and has a length between 18 to 32 feet.Full Answer >
One of the rarest fish in the world is the Devils Hole pupfish. In April 2013, it was estimated that only 35 of these fish were left in the wild. Though that number has since increased slightly, the natural population of the Devils Hole pupfish has rarely been measured at over 500, even in the autumn when the population peaks.Full Answer >
Reef stonefish are the most poisonous fish in the world. Stonefish live in warm, tropical waters, primarily in the Oceanic region of Australia and New Zealand. They have 13 long spines in their dorsal fins that are filled with highly toxic venom, which the stonefish use to kill prey.Full Answer >