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


Recent Posts


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