shark repellent
porcupine provision | a measure undertaken by a corporation to discourage unwanted takeover attempts |
| shark | any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales |
cow shark
six-gilled shark
Hexanchus griseus | large primitive shark widely distributed in warm seas |
| mackerel shark | fierce pelagic and oceanic sharks |
mako
mako shark | powerful mackerel shark of the Atlantic and Pacific |
bonito shark
blue pointed
Isurus glaucus | common blue-grey shark of southwest Pacific, sport and food fish |
great white shark
white shark
man-eater
man-eating shark
Carcharodon carcharias | large aggressive shark widespread in warm seas, known to attack humans |
basking shark
Cetorhinus maximus | large harmless plankton-eating northern shark, often swims slowly or floats at the sea surface |
thresher
thrasher thresher shark
fox shark
Alopius vulpinus | large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed |
carpet shark
Orectolobus barbatus | shark of the western Pacific with flattened body and mottled skin |
nurse shark
Ginglymostoma cirratum | small bottom-dwelling shark of warm shallow waters on both coasts of North America and South America and from southeast Asia to Australia |
sand tiger
sand shark
Carcharias taurus
Odontaspis taurus | shallow-water shark with sharp jagged teeth found on both sides of Atlantic, sometimes dangerous to swimmers |
whale shark
Rhincodon typus | large spotted shark of warm surface waters worldwide, resembles a whale and feeds chiefly on plankton |
| cat shark | small bottom-dwelling sharks with cat-like eyes, found along continental slopes |
| requiem shark | any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species |
bull shark
cub shark
Carcharhinus leucas | a most common shark in temperate and tropical coastal waters worldwide, heavy-bodied and dangerous |
| sandbar shark Carcharhinus plumbeus | most common grey shark along coasts of middle Atlantic states, sluggish and occasionally caught by fishermen |
blacktip shark
sandbar shark Carcharhinus limbatus | widely distributed shallow-water shark with fins seemingly dipped in ink |
whitetip shark oceanic whitetip shark
white-tipped shark
Carcharinus longimanus | large deep-water shark with white-tipped dorsal fin, worldwide distribution, most dangerous shark |
dusky shark
Carcharhinus obscurus | relatively slender blue-grey shark, nearly worldwide in tropical and temperate waters |
lemon shark
Negaprion brevirostris | common shallow-water schooling shark of the Atlantic from North Carolina to Brazil and off west Africa, dangerous |
blue shark
great blue shark
Prionace glauca | slender cosmopolitan, pelagic shark, blue body shades to white belly, dangerous especially during maritime disasters |
tiger shark
Galeocerdo cuvieri | large dangerous warm-water shark with striped or spotted body |
soupfin shark
soupfin
soup-fin
Galeorhinus zyopterus | Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A) |
smoothhound
smoothhound shark
Mustelus mustelus | smooth dogfish of European coastal waters |
whitetip shark reef whitetip shark
Triaenodon obseus | smooth dogfish of Pacific and Indian Oceans and Red Sea having white-tipped dorsal and caudal fins |
hammerhead
hammerhead shark | medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head, worldwide in warm waters, can be dangerous |
shovelhead
bonnethead
bonnet shark
Sphyrna tiburo | small harmless hammerhead having a spade-shaped head, abundant in bays and estuaries |
angel shark
angelfish Squatina squatina
monkfish | sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do |
cardsharp
card sharp
cardsharper
card sharper
sharper
sharpie
sharpy
card shark | a professional card player who makes a living by cheating at card games |
| shark | a person who is unusually skilled in certain ways, a card shark |
| shark | a person who is ruthless and greedy and dishonest |
usurer
loan shark
moneylender
shylock | someone who lends money at excessive rates of interest |
shark oil
shark-liver oil | a fatty yellow to brown oil obtained from the livers of sharks, used for dressing leather and as a source of vitamin A |
| shark | hunt shark |
| shark | play the shark, act with trickery |