What are the names of the Japanese whaling fleet?

The Japanese whaling fleet is primarily known as the "Research Whaling Fleet." It operates under the auspices of the Institute of Cetacean Research (ICR), which conducts whaling under the guise of scientific research, despite international criticism and opposition. The fleet has also been referred to by names associated with specific vessels, such as the "Nisshin Maru," which is the main factory ship.