\-around 7,000 species of them overall (kept as pets or in zoos)
\-ex: African clawed toad, Surinam toad, fire-bellied toads, poison arrow frogs (not poisonous as pets bc it usually is the natural diet that makes it poison) , tree frogs, axolotl (pink/white captive and black in wild), & tiger salamander
\-many endangered species are amphibians b/c of how they absorb the environment thru their skin (called amphibian skin)therefore pollution is very bad or have lotion on hands when handling can be bad
\-first thought to have evolved from primitive fish 350 milli yrs ago
\-water conditions is very important just like w fish
\-most species need vivarium (land and water in cages)
\-hides and environmental conditions aka humidty and temp is important
\-diet varies w life stage (most carnivorous as adults but can eat veggies as babies)
\-breeding can be difficult (some specifics in temp, water, seasonality,etc)