national aquatic animal: GK, General Studies and Current Affairs

Project Dolphin

Dolphins are aquatic mammals; belonging to Order Cetacea. Cetus means a whale or a huge fish. There are around 90 living species in Cetacea divided into two groups. First group comprises toothed animals such as dolphins, killer whales; porpoise; sperm whale; beaked whale, narwhal. The second group comprises the whales which have filter feeder system. ..