This index is for tropes related to the portrayal of reptiles and amphibians in the media, including anthromorphisms of amphibians and reptiles.
- Age of Reptiles: A primordial period where reptiles ruled the Earth.
- Apothecary Alligator: A taxidermy alligator or crocodile in the possession of a magic-user.
- Green Gators: Crocodilians depicted as various shades of green; real ones are either gray or tan.
- Hollywood Chameleons: Chameleons or other camouflaging animals changing their colors in a way that makes them completely invisible.
- Lizard Folk: Humanoid reptiles in a fantasy setting.
- Lovable Lizard: Lizards are seen as cute and heroic among reptiles.
- Malicious Monitor Lizard: When monitor lizards in a work are portrayed as evil.
- Never Smile at a Crocodile: Crocodilians depicted as evil man-eaters.
- Primate Versus Reptile: A giant primate fighting a giant reptile.
- Reptiles Are Abhorrent: Reptiles associated with evil.
- Reptilian Conspiracy: A conspiracy that Lizard Folk are controlling our society in secret.
- Scaled Up: A villain assuming a more reptilian form.
- Sewer Gator: Alligators that have been flushed down the toilet and end up living in the sewers down below the streets.
- Amphibian Assault: An amphibian that is dangerous no matter the size.
- Amphibian at Large: An amphibian that is much larger than normal.
- Bewitched Amphibians: When someone is turned into a frog or other amphibian as a Curse.
- Free the Frogs: Activists try to save frogs from being dissected in a school's science class.
- Frog Men: Frog-like humanoids.
- Frog Ninja: Frogs or toads being associated with ninjas.
- Toad Licking: Licking the backs of toads to get high.
- Boys Like Creepy Critters: When boys love things like lizards, frogs, and toads.
- Cold-Blooded Whatever: Fish/amphibian/reptile hybrid animals.
- Fiery Salamander: Reptiles and amphibians (salamanders specifically) Playing with Fire.
- Somewhere, a Herpetologist Is Crying: Factual inaccuracies about reptiles and amphibians in a work of fiction that make the story work better.