Pawderosa Pet Care Blog

A Walking Fish Gives Us Clues about Evolution

Thursday, September 11, 2014

Nearly 400 million years ago, a huge shift in the history of life occurred. Creatures crawled out of the sea and transitioned to living on land. Those creatures most likely are our very distant ancestors, according to Charles Darwin's Evolutionary Theory. Now scientists are beginning to collect clues about what that transition might have looked like and how it occurred, thanks to a very unique African fish, the Polypterus senegalus (also known as Bichirs). This particular fish can not only breathe air outside of water through a pair of lungs, but uses its pectoral fins to walk!   READ MORE






Categories


Recent Posts


Tags

fish music call pain management grooming dog portraits artist pet videos pet food house guests Pets and Children jealous dog obese singing breeds jumping portraits stray cat animal study loss poison oak protect Petco separation anxiety cat obesity Drought events lost dog business safety Halloween holidays 2014 Great Panda little girl trail training designer resolutions pet loss support teeth feral cat Water indoor cat professional care foods to avoid free parks dogs behavior REI rules hip dysplasia pet health evolution pet loss puppies facts health Darwin history sea lion garden treadmill fur foxtail puppy care kittens exercise russia rats trails How-to gas baby panda children tree frog Cat cafe illness poison pet parenting fox elderly pets how to dog family dog walking China emotions rash walking training tool dining out social animals selfie litterbox videos dog handler amazing pets Family fun cat breeds rescue animals pet tip pet care style e-collar gifts decor home products vine pet bonding career training tip California dog care pawderosa house Oakland shelter runaway pet tecnu office Conserve beach heat healing Fleas ecollar birds pet adoption chewing socialization preschool grass bond animal science Bay Area pet etiquette parkour dog puppy science rules of the road petcare Puppy Training Tips animal tracking device tips jump issues dentist Training and Tips pet relationship product first American cat cafe cat cat care hiking public engagement domestic abuse communication resources belly depression dehydration camping gardening Ebola speech dog behavior purr animal behavior summer GPS new year Breed Selection outdoors babies fence humane society Off Doggie cancer cats humans work obesity dog training foxtails pet obesity smart feeder arthritis banned grief crows squirrel pets england dog walker kids cat feeder pet-proofing diet cleaning up study animals new york scratch paw print aggressive animals bath discipline My Pet Lives On video cat lady pet photography affectionate animal care friendship ocean regret kitten puppy outings pet friendship trip

Archive