Ключевые слова: aggressive, american, arms, backdrop, background, badajoz, clarkii, closeup, crawfish, crayfish, defense, estremadura, eyes, food, fresh water, grass, guadiana, invasive, legs, louisiana, mudbug, natural, net, opened, outdoor, pincers, position, procambarus, riverside, scene, spain, species, spring, stones, swamp, united, wild, wildlife,