A Sei is a type of Whale, a fin is what fish have on their sides and top.
There is also a whale called the fin whale. It's also called the finback, razorback or rorqual. It is the second-largest of all whales. (The sei whale is the third-largest.)
Whale
Mainly fin, minke, Bryde's, sei, humpback and sperm whales. these do come under sub species like Antarctic Minke whale and Common Minke Whale.
Yes, Whale species are seen in the Antarctic Ocean such as The Blue, Fin, Humpback, Minke, Orca, Southern Right, Sei, Sperm . I added a link which may help.
They eat small fish in schools and zooplankton so they do depending on the species. Fin whales, humpback whales, Bryde's whales and sei whales all eat small fish.
There are several species and sub species of whale. Some of the most well known are the blue whale, fin whale and the humpback whale. Whilst the fin whale species have largest fin length, most whales tend to a have a dorsal fin of some description.
there are 11 baleen whales: bowhead grey north atlantic right south atlantic right pygmy right brydes (pronounced breedas) minke (minkee) blue sei (say) fin humpback
Most species of fish don't have an adipose fin.
There are literally hundreds of species of fish that have a red fin.
Mostly any shark will do, but the bigger the fin the better.
humpback sperm orca (killer) sei blue
One of the fastest whale species is called the killer whale. Another fast whale species is called the fin whale.
There are two types of whales that have only three letters in their name. The Fin whale and the Sei whale.