alligator-gar-fish ambush-predators animal aquarium aquatic atractosteus-spatula carnivores distinctive-snout elongated fish freshwater-fish gar habitat-destruction large largest-garfish piscivorous predator-fish primarily-piscivores primitive-fish river river-fish riverine Singapore Southern-United-States stalking-predators torpedo-shaped unusual voracious water zoo acinonyx-jubatus african alert art artistic big-cat brown carnivore carnivorous cat cheetah colors colours distinctive distinguishing-features eye-contact eye-levels face fast fauna features felid feline focus fur head mammal paint painted painting Rendered runner skin snout speed speed-bursts speedy spots spotted sprinter tamable variegated-coat wildlife illustration lined lines