Simple categories matching poikilothermic:

• tetrapod,
• vertebrate,
• host,
• organism,
• animal,

Members with property poikilothermic:

• lizard,
• fish,
• antarctic_fish,
• plant,
• amphibian,
• salmon,
• bacteria,
• reptile,
• eel,
• tadpole,
• mammal,
• snake,
• insect,
• invertebrate,
• salamander,
• yeast,
• fungi,
• frog,
• mite,
• iguana,
• river_lamprey,
• shrimp,
• prokaryote,
• protist,
• algae,
• honey_bee,
• cyanobacteria,
• minnow,
• crayfish,
• trout,
• mussel,