http://swissbaync5d7ykaz7dh7v4qjrb4gmen5aj3bogxrcgbb43ij34bjuyd.onion/pdf/Books/Survival/Medicine/oddsnends.htm
The nekton comprises all the animals that can swim about, including fishes, squids and
whales. An estimated 13,300 species of fish live in the sea, ranging in size from 40 feet
(whale shark) to less than one inch long (gobies).