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

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

Archive