Modifiers matching ectotherm:

• aquatic,
• tropical,
• small,
• active,
• large,
• larger,
• oviparous,
• terrestrial,
• bodied,
• carnivorous,
• semiaquatic,

Simple categories matching semiaquatic:

• prey,
• animal,
• organism,
• creature,
• rodent,
• group,
• amphibian,
• ectotherm,
• mammal,
• plant,
• invertebrate,
• area,
• predator,