animal
aquatic
atlantic
attack
biodiversity
bite
brown
carnivorous
cartilaginous
danger
dangerous
dorsal
dorsal fin
elasmobranch
endangered
eukaryotic
evolution
finned
fins
fish
gill
gill slit
indian
jaw
killer
lateral line
living
marine
movement
ocean
pacific
power
predator
requiem
respiration
saltwater
sandbar shark carcharhinus plumbeus
scales
sea
shark
spines
squamate
strength
swim
tail
teeth
thickskin
threatened
vertebrate
water