armor armored armorment armour armoured armourment Australian-freshwater-crocodile backstraps basking bony ridges crocodile crocodilian crocodylus-johnsoni crocodylus-johnstoni danger dangerous dorsal-surface exotic fauna freshie hide hornback Johnston's-crocodile large leather leathery lethargic omnivorous opportunistic opportunistic-predator osteoderms patterns powerful predator reptile reptilian ridges rough rugged scales scutes skin tail territorial texture textured textures abstract ancient art backdrop background banner border brown concept creative decor design dirty fill frame graphic gray grey grunge illustration manuscript map old paper parchment pattern piece of paper plain poster retro scrapbook scrapbooking sepia stained stationery surface tissue vector vellum vignette vintage wall reflection crocodylus-porosus estuarine-crocodile huge Indo-Pacific-crocodile largest-reptile saltwater-crocodile tail-scutes beige blank canvas colors colours floral flowers mothers day pink