What Does a Marine Engineer Do? Marine engineers design the vessels that we use to navigate and explore the world's lakes and oceans. Marine engineers' work supports key activities like naval defense, environmental research, international trade, and resource extraction. Read this article to learn what it's like to be a marine engineer.
An adult can weigh anywhere from 2,200 to 6,600 pounds (1,000 to 3,000 kilograms) and can measure from 12 to 18 feet (3.7 to 5.5 meters) in length. Finally, the largest dolphin is the killer whale, or orca.An adult female orca can weigh in at a whopping 16,500 pounds, and the male can weigh up to about 22,000 pounds (a range of 7,500 to 10,000 kilograms).Female orcas measure about 28 feet (8.5 meters) in length, and males are about 32 feet (10 meters) long at their largest.nother small dolphin is the Indus river dolphin; as an adult, this dolphin weighs about 150 to 200 pounds (70 to 90 kilograms) and measures 7.5 to 8.5 feet (2.3 to 2.6 meters) in length.
1 127 of these orcas are now dead. 2  In the wild, male orcas live to an average of 30 years (maximum 50-60 years) and 46 years for females (maximum 80-90 years). None of her seven offspring in captivity have survived. 2  Her family (known as the A5 pod) continue to thrive in the wild, including Corky's brother, Fife, who you can adopt to help support our work. 3  At least 12 orcas have been taken from the wild into captivity since 2002, most recently in Russia.