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 |
thresher thrasher threshing machine | a farm machine for separating seeds or grain from the husks and straw |
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 |
farmer's lung thresher's lung | alveolitis caused by an allergic reaction to fungal spores in the dust that is inhaled from moldy hay |
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 |