Modifiers matching monster:

• evil,
• rare,
• mythical,
• intelligent,
• new,
• fabled,
• legendary,
• strong,
• dead,
• larger,
• aggressive,
• big,
• powerful,
• tougher,
• female,
• supernatural,
• fantastic,
• mythological,
• dark,
• classical,
• aquatic,
• large,
• individual,
• scary,
• size,
• medieval,
• good,
• fictional,
• vicious,
• strange,
• fantastical,

Simple categories matching aquatic:

• animal,
• farming,
• organism,
• dinosaur,
• game,
• creature,
• food,
• structure,
• microorganism,
• invertebrate,
• larva,
• insect,
• wildfowl,
• device,
• ecosystem,
• fauna,
• pastime,
• activity,
• vegetable,
• monster,
• snail,
• vegetation,
• critter,
• pet,
• prey,
• bug,
• science,
• adult,
• species,
• tetrapod,
• skill,
• industry,
• herbivore,
• frog,
• predator,
• installation,
• bivalve,
• reptile,
• sport,
• sportsman,
• product,
• plant,
• weed,
• facility,
• turtle,
• show,
• pest,
• toxicology,
• ectotherm,
• pathogen,
• dipteran,
• bacteria,
• inhabitant,
• friend,
• area,
• taxon,
• event,
• weeds,
• use,
• amniote,
• genus,
• endeavor,
• assailant,
• group,
• host,
• parasite,
• carnivore,
• lure,
• vertebrate,
• organization,
• salamander,
• occupation,
• amphibian,
• source,
• arthropod,
• medium,
• biota,
• crustacean,
• poultry,
• recreation,
• growth,
• meat,
• rodent,
• mollusc,
• pursuit,
• mussel,
• system,
• population,