How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
Reference: Smithsonian Ocean
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
Male seahorses give birth. The female deposits eggs into the male's pouch, and he carries them until they hatch.
An adult elephant can eat a few hundred pounds of plants and drink up to around 50 gallons of water in a single day.