Paul Watson, never a shrinking violet, has condemned Australia for not doing enough to stop whaling.
Captain Paul Watson says he is angry and frustrated that five whales have been killed since the protest vessel was forced to break off its pursuit of the Japanese whaling fleet.
The Australian Customs vessel Oceanic Viking has confirmed that at least five minke whales have been killed since the Japanese fleet resumed hunting.
"Australia's being awfully timid when it comes to Japan," Mr Watson said.
"Uruguay goes down there and poaches [patagonian toothfish] and Australia goes down there, arrests them, seizes their vessel and tosses them in jail.