It is sometimes mistaken for a Dall's porpoise, but it is actually a Pacific white-sided dolphin, with a dorsal fin that resembles the blade of a sickle.

Penguins are flightless birds, or avifauna. They used to fly in the past, but it is thought that they evolved and stopped flying. Instead, they became good at swimming & diving.

Sanderia malayensis eat other jellyfish & small fish.

Noboribetsu Marine Park Nixe opened on July 20, 1990.

Members of the toothed " Toothed whale" family, such as the Common bottlenose dolphin and Pacific white-sided dolphin, have almost completely lost their olfactory structures, such as the nerves that sense smell.
This is because dolphins live in water and do not need it during the evolutionary process.