Sei whales are listed as CITES appendix 1 from the equator to Antarctica. All other populations are listed as CITES appendix 2. The global population of these whales is estimated at only 57,000. Hunting of these whales by humans has been high since the 1950s. The take of these animals peaked in the 1964-65 season, when 25,454 of these whales were taken. The reported global catch of Sei whales in the 1978-79 season was only 150, showing the dramatic drop in whale populations. Some researchers have concluded that Sei whale populations are rising as a result of decreases in Blue and Fin whale poulations. However, this conclusion must be taken with caution, as actual data are scarce, and the dietary overlap between Sei whales and these other species is not complete.
CITES: appendix i
IUCN Red List of Threatened Species: endangered
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