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

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

Archive