Jeopardy! Round, Double Jeopardy! Round, or Tiebreaker Round clues (130 results returned)
| #9066, aired 2024-03-25 | MARINE BIOLOGY $400: In 2022 the deepest fish, a snailfish, was found at over 27,000 feet in the Izu-Ogasawara one of these deep ocean depressions a trench |
| #9066, aired 2024-03-25 | MARINE BIOLOGY $800: The Venus sea fan, a soft type of this, has numerous polyps that grow together in a fanlike pattern, with each polyp having 8 tentacles a coral |
| #9066, aired 2024-03-25 | MARINE BIOLOGY $1,000 (Daily Double): The heaviest bony fish at a weight of more than 6,050 pounds, it has a celestial name & dines mainly on jellyfish a sunfish |
| #9066, aired 2024-03-25 | MARINE BIOLOGY $1600: This member of the weasel family is the only marine mammal that catches fish with its forepaws, not its mouth a sea otter |
| #9066, aired 2024-03-25 | MARINE BIOLOGY $2000: When buried in the sand, skates & rays rely on these holes near the eyes for breathing oxygen spiracles |
| #8665, aired 2022-06-17 | MARINE BIOLOGY $400: The giant & colossal species of this are the world's 2 largest cephalopods & may reach 60 feet & 2,000 pounds squid |
| #8665, aired 2022-06-17 | MARINE BIOLOGY $800: A new theory says that as cetaceans evolved from land animals, the nostril moved to the top of the skull & became this orifice the blowhole |
| #8665, aired 2022-06-17 | MARINE BIOLOGY $1200: The movement of invasive species from the Red Sea to the Mediterranean via this waterway has been called Lessepsian migration the Suez Canal |
| #8665, aired 2022-06-17 | MARINE BIOLOGY $1600: Benthic organisms that live on the ocean bottom include sponges, bristle worms, & these prickly echinoderms a sea urchin |
| #8665, aired 2022-06-17 | MARINE BIOLOGY $2000: This smallest North American marine mammal is a key species in kelp forests, keeping consumers of the kelp in check the sea otter |
| #8350, aired 2021-03-05 | MARINE BIOLOGY $200: Species of this cephalopod with 10 appendages include the colossal, which can be 40' long, & the southern pygmy, less than 3/4" a squid |
| #8350, aired 2021-03-05 | MARINE BIOLOGY $400: One look at the forehead of the genus Naso, & you'll see why it's also known as this fish a unicorn fish |
| #8350, aired 2021-03-05 | MARINE BIOLOGY $600: The polyp is the body of this creature whose name also refers to its skeleton; masses of them form reefs a coral |
| #8350, aired 2021-03-05 | MARINE BIOLOGY $800: A major type of these free-floating ocean organisms, with a name from Greek for wandering, dinoflagellates can cause red tides plankton |
| #8350, aired 2021-03-05 | MARINE BIOLOGY $1000: A brown alga, this largest seaweed can grow 200 feet long & forms forests off the California coast (giant) kelp |
| #7593, aired 2017-09-20 | MARINE BIOLOGY $400: Unlike the stingray, this "devilfish" doesn't have a stinger in its tail a manta ray |
| #7593, aired 2017-09-20 | MARINE BIOLOGY $800: This "colorful" tide occurs in warm waters when there is an increase of protozoa called dinoflagellates a red tide |
| #7593, aired 2017-09-20 | MARINE BIOLOGY $1200: The American eel begins life in this area of the north Atlantic but eventually migrates to fresh water the Sargasso Sea |
| #7593, aired 2017-09-20 | MARINE BIOLOGY $1,600 (Daily Double): Since it is lighter than water, the oil mainly in this organ prevents sharks from sinking the liver |
| #7593, aired 2017-09-20 | MARINE BIOLOGY $2000: Australian waters contain many species of this sea snail, including the greenlip & blacklip the abalone |
| #7281, aired 2016-04-18 | MARINE BIOLOGY $400: This weather warming phenomenon that occurs every 3-7 years caused the death of much coral in 1997 & 1998 El Niño |
| #7281, aired 2016-04-18 | MARINE BIOLOGY $800: The pearly or chambered type of this mollusc jet-propels itself around the ocean a nautilus |
| #7281, aired 2016-04-18 | MARINE BIOLOGY $1200: The 6 species of the deadly sea krait are related to this "hooded" Asian snake a cobra |
| #7281, aired 2016-04-18 | MARINE BIOLOGY $1600: The baleen plates in the mouths of certain whales are made of this protein, the same as your fingernails & hair keratin |
| #7281, aired 2016-04-18 | MARINE BIOLOGY $2000: Soon after hatching, loggerhead ones ride currents out to sea to escape predators & grow sea turtles |
| #6841, aired 2014-05-19 | MARINE BIOLOGY $200: (Sarah of the Clue Crew presents the clue from Baja California.) Baja's sea lions can dive deep because they have the ability to store substantial amounts of this gas in their blood & muscle oxygen |
| #6841, aired 2014-05-19 | MARINE BIOLOGY $400: These polyps come in several varieties including thorny, gorgonian & mushroom coral |
| #6841, aired 2014-05-19 | MARINE BIOLOGY $600: The name of this tusked whale comes from the Old Norse for "corpse whale", referring to its whitish color a narwhal |
| #6841, aired 2014-05-19 | MARINE BIOLOGY $1000: Each fall silver eels migrate to this "sea" within the North Atlantic to breed, some traveling across land the Sargasso Sea |
| #6841, aired 2014-05-19 | MARINE BIOLOGY $1,200 (Daily Double): This small fish of the genus hippocampus has no stomach & must eat almost constantly to stay alive a seahorse |
| #6360, aired 2012-04-20 | MARINE BIOLOGY $200: "The Night Of" this 10-armed creature wasn't a horror film but a Jacques Cousteau TV special the squid |
| #6360, aired 2012-04-20 | MARINE BIOLOGY $400: These marine mammals of the weasel family use rocks to open such hard-shelled prey as clams & crabs otters |
| #6360, aired 2012-04-20 | MARINE BIOLOGY $600: (Jimmy of the Clue Crew shows drawings of whale skulls on the screen.) Long ago, whale blowholes were here, but evolution streamlined cetacean breathing, moving the nostril up top, where it's still connected to this respiratory tube, & then to the lungs the trachea |
| #6360, aired 2012-04-20 | MARINE BIOLOGY $800: A spicule is a needlelike piece supporting the soft tissue of these absorbent invertebrates of phylum Porifera a sponge |
| #6360, aired 2012-04-20 | MARINE BIOLOGY $1000: This largest ray is a graceful swimmer even though it may weigh up to 3,000 pounds a manta |
| #6164, aired 2011-06-02 | MARINE BIOLOGY $400: Fish that are anadromous migrate from the sea to freshwater rivers to do this spawn |
| #6164, aired 2011-06-02 | MARINE BIOLOGY $800: The spiny lobster is also named for this object; the redback salamander lives under one a rock |
| #6164, aired 2011-06-02 | MARINE BIOLOGY $1200: (Lindblad National Geographic underwater specialist Lisa trotter delivers the clue from Antarctica.) This shrimp-like crustacean is a major link in the Antarctic food chain; from January to April swarms of them may reach concentrations of 35 lbs. per cubic yard krill |
| #6164, aired 2011-06-02 | MARINE BIOLOGY $2000: (Sarah of the Clue Crew delivers the clue from Antarctica.) Researchers recognize individual whales & follow their migration based on the pattern on the underside of this, each half of the whale's tail the fluke |
| #6164, aired 2011-06-02 | MARINE BIOLOGY $3,000 (Daily Double): Off the coast of California, this brown seaweed can grow almost a foot a day kelp |
| #5588, aired 2008-12-17 | MARINE BIOLOGY $400: The largest species of this fish is the bluefin, which may reach a length of 14 feet & weigh 1,600 pounds tuna |
| #5588, aired 2008-12-17 | MARINE BIOLOGY $800: Rays & skates have skeletons made of this material, not bone cartilage |
| #5588, aired 2008-12-17 | MARINE BIOLOGY $1600: Barnacles were once classified as mollusks but now are included in this class along with crayfish crustacean |
| #5588, aired 2008-12-17 | MARINE BIOLOGY $2000: Named for a feline, it's the only seal that feeds extensively on warm-blooded prey such as penguins the leopard seal |
| #5588, aired 2008-12-17 | MARINE BIOLOGY $2,600 (Daily Double): Although some species of this in the class Asteroidia have more than 20 arms, 5 is the usual number a starfish |
| #5239, aired 2007-05-24 | MARINE BIOLOGY $400: In these organs in most fish, water flows the opposite direction to the blood, increasing oxygen transfer gills |
| #5239, aired 2007-05-24 | MARINE BIOLOGY $800: Sea creatures that live in the benthos, this part of the ocean, include clams & halibut bottom |
| #5239, aired 2007-05-24 | MARINE BIOLOGY $1200: In 1943 this undersea explorer produced his first film, "Par Dix-huit Metres du Fond", or "18 Meters Down" Jacques Cousteau |
| #5239, aired 2007-05-24 | MARINE BIOLOGY $1600: Like jellyfish, sea anemones have stinging cells in these organs to paralyze small animals tentacles |
| #5239, aired 2007-05-24 | MARINE BIOLOGY $2000: This small five-letter animal seen here is the main food source of the Antarctic blue whale krill |
| #5143, aired 2007-01-10 | MARINE BIOLOGY $200: In 1977 this submersible, which shares its name with a chipmunk, found organisms near Hot Springs over a mile deep Alvin |
| #5143, aired 2007-01-10 | MARINE BIOLOGY $400: The name of these tiny organisms at the bottom of the oceanic food chain comes from the Greek for "wandering" plankton |
| #5143, aired 2007-01-10 | MARINE BIOLOGY $600: The brown seaweed that gives the North Atlantic "sea" its name floats via small berrylike bladders Sargasso |
| #5143, aired 2007-01-10 | MARINE BIOLOGY $800: The small fish of the genus Hippocampus can change its color & has 2 eyes that move independently a sea horse |
| #5143, aired 2007-01-10 | MARINE BIOLOGY $1000: This Massachusetts village is home to the Marine Biological Laboratory & an oceanographic institution founded in 1930 Woods Hole |
| #4740, aired 2005-03-25 | MARINE BIOLOGY $200: Shagreen, the dried skin of this meat eater, was once used as sandpaper the shark |
| #4740, aired 2005-03-25 | MARINE BIOLOGY $400: Unlike most sea animals, in the sea horse this pair of sense organs can move independently of one another eyes |
| #4740, aired 2005-03-25 | MARINE BIOLOGY $600: In 1957 this undersea explorer became director of Monaco's Oceanographic Museum (Jacques-Yves) Cousteau |
| #4740, aired 2005-03-25 | MARINE BIOLOGY $800: The largest crustacean is a Japanese species of this; it can measure 12 feet between its claws a crab |
| #4740, aired 2005-03-25 | MARINE BIOLOGY $1000: (Jeff Probst, host of Survivor, delivers the clue from Palau.) This nearly extinct sea cow is found in the coastal waters of Palau, & even here, it is threatened by poaching a dugong |
| #3428, aired 1999-06-30 | MARINE BIOLOGY $100: A species of this 10-armed animal is the largest invertebrate, reaching a length of over 50 feet squid |
| #3428, aired 1999-06-30 | MARINE BIOLOGY $200: The name of these microscopic plants & animals that float near the ocean's surface is from the Greek for "wandering" plankton |
| #3428, aired 1999-06-30 | MARINE BIOLOGY $300: This French explorer devised special underwater cameras to document his adventures Jacques Cousteau |
| #3428, aired 1999-06-30 | MARINE BIOLOGY $400: You might be "As happy as" this mollusk that has a heart but no brain a clam |
| #3428, aired 1999-06-30 | MARINE BIOLOGY $700 (Daily Double): Around 1905 it was discovered that the American eel spawns in this "sea" in the north Atlantic the Sargasso Sea |
| #2274, aired 1994-06-23 | MARINE BIOLOGY $200: The gulper, an eellike fish, has such huge jaws that it can do this to prey larger than itself swallow them (or eat them) |
| #2274, aired 1994-06-23 | MARINE BIOLOGY $400: The sargassum fish in the Sargasso Sea look remarkably like this vegetation that's abundant there seaweed |
| #2274, aired 1994-06-23 | MARINE BIOLOGY $600: The sea elephant, whose nose may be 15 inches long, is better known as this the elephant seal |
| #2274, aired 1994-06-23 | MARINE BIOLOGY $800: You're on the "money" if you know that this echinoderm ranges up to 4 inches in diameter a sand dollar |
| #2274, aired 1994-06-23 | MARINE BIOLOGY $1000: This primitive fish, once believed extinct, may weigh up to 160 pounds a coelacanth |
| #1832, aired 1992-07-14 | MARINE BIOLOGY $200: Types of this porous animal include red-beard & bath a sponge |
| #1832, aired 1992-07-14 | MARINE BIOLOGY $400: Scientists call these boneless, umbrella-shaped sea animals medusas jellyfish |
| #1832, aired 1992-07-14 | MARINE BIOLOGY $600: The largest known shell of this bivalve was a 734-pound specimen found off Okinawa in 1956 a clam |
| #1832, aired 1992-07-14 | MARINE BIOLOGY $1,000 (Daily Double): Asterias vulgaris is the "common" species of this marine animal a starfish |
| #1832, aired 1992-07-14 | MARINE BIOLOGY $1000: American & European eels begin their lives in this huge seaweed area of the Atlantic Ocean the Sargasso Sea |
| #1787, aired 1992-05-12 | MARINE BIOLOGY $200: Often found in whales & seals, this is a thick layer of fat deposited below the dermis blubber |
| #1787, aired 1992-05-12 | MARINE BIOLOGY $400: Crocodiles & their relatives are unique among reptiles in having 4-chambered ones of these a heart |
| #1787, aired 1992-05-12 | MARINE BIOLOGY $800: Anadromous fish such as salmon migrate up rivers to do this spawn |
| #1787, aired 1992-05-12 | MARINE BIOLOGY $1000: Their leaps of up to 35' in the air & glides of almost 1000' may be to escape undersea predators flying fish |
| #1787, aired 1992-05-12 | MARINE BIOLOGY $1,500 (Daily Double): The skeletons of skates & rays are made of this material rather than bone cartilage |
| #1698, aired 1992-01-08 | MARINE BIOLOGY $200: He became a capitaine de corvette in the French Navy in the '40s * captain of the Calypso in 1950 Jacques Cousteau |
| #1698, aired 1992-01-08 | MARINE BIOLOGY $400: Barnacles, crabs & lobsters are members of this arthropod class Crustacea |
| #1698, aired 1992-01-08 | MARINE BIOLOGY $600: The seaweed that makes up this huge "Sea" within the Atlantic Ocean reproduces without seeds the Sargasso Sea |
| #1698, aired 1992-01-08 | MARINE BIOLOGY $800: This "colorful" tide occurs when there is a population explosion of dinoflagellates a red tide |
| #1698, aired 1992-01-08 | MARINE BIOLOGY $1000: Sometimes called a sea cow, this rare mammal is a close relative of the dugong a manatee |
| #1560, aired 1991-05-17 | MARINE BIOLOGY $100: An octopus has 3 of these which pump blood through its body hearts |
| #1560, aired 1991-05-17 | MARINE BIOLOGY $200: The animals that form atolls coral |
| #1560, aired 1991-05-17 | MARINE BIOLOGY $300: Because they have only 1 shell, sea snails aren't called bivalves but these univalves |
| #1560, aired 1991-05-17 | MARINE BIOLOGY $400: Fairy shrimps have compound ones on stalks eyes |
| #1560, aired 1991-05-17 | MARINE BIOLOGY $500: This sea animal once believed to use 2 of its arms as sails, was named for the men who sailed with Jason argonaut |
| #1488, aired 1991-02-06 | MARINE BIOLOGY $200: These mollusks have hearts but no brains; maybe that explains why they're supposed to be happy clams |
| #1488, aired 1991-02-06 | MARINE BIOLOGY $400: When it passes out of the megalops stage a crab tucks this in under its body its tail |
| #1488, aired 1991-02-06 | MARINE BIOLOGY $600: This 10-armed creature can travel really fast, but not forward, backward a squid |
| #1488, aired 1991-02-06 | MARINE BIOLOGY $800: These fish were named for the lancet-like spines they use to slash, not operate surgeonfish |
| #1488, aired 1991-02-06 | MARINE BIOLOGY $1000: Birds & small fish eat these shrimplike creatures 1 at a time, whales, by the thousands krill |
| #1263, aired 1990-02-14 | MARINE BIOLOGY $100: The sea horse has a prominent pair of these which can move independently of each other Eyes |
| #1263, aired 1990-02-14 | MARINE BIOLOGY $400: Benthic animals are the ones which live in this part of the ocean, the benthos the bottom |
| #1263, aired 1990-02-14 | MARINE BIOLOGY $500: These animals are the only pinnipeds with tusks walruses |
| #1027, aired 1989-02-07 | MARINE BIOLOGY $200: Most of the trained ones which perform in aquariums are the bottle--nosed species dolphins |
| #1027, aired 1989-02-07 | MARINE BIOLOGY $400: If you don't know this other name for the nacre inside an oyster shell, ask your mom mother of pearl |
| #1027, aired 1989-02-07 | MARINE BIOLOGY $600: Weighing up to 500 lbs., the "giant" variety of this is the world's largest living bivalve a clam |
| #1027, aired 1989-02-07 | MARINE BIOLOGY $800: These creatures can be snipe, snake or conger eels |
| #1027, aired 1989-02-07 | MARINE BIOLOGY $1000: Named for their appearance, mushroom & brain are types of these with stony skeletons coral |
| #783, aired 1988-01-20 | MARINE BIOLOGY $200: A lobster grows a new soft shell under the old hard one before dong this, which takes about 15 minutes shedding its shell (molting) |
| #783, aired 1988-01-20 | MARINE BIOLOGY $400: Biologists call the jellyfish by this name, perhaps because it's as gruesome as a Gorgon a medusa |
| #783, aired 1988-01-20 | MARINE BIOLOGY $600: This enormous man-eater is also known as the white pointer a (great white) shark |
| #783, aired 1988-01-20 | MARINE BIOLOGY $800: The elongated body part for which this fish is named can penetrate whales & even boats a swordfish |
| #705, aired 1987-10-02 | MARINE BIOLOGY $200: "Baleen" from whales was better known as this when used as corset stays whalebone |
| #705, aired 1987-10-02 | MARINE BIOLOGY $400: Term for limbs of aquatic mammals or birds which have become adapted for swimming flippers |
| #705, aired 1987-10-02 | MARINE BIOLOGY $600: To biologists, a "whelk" is not a "wunnerful, wunnerful" bandleader but a type of this univalve mollusk (snail) |
| #705, aired 1987-10-02 | MARINE BIOLOGY $800: Though this savage species can be 60 feet long, their brains are rarely over 6 inches shark |
| #705, aired 1987-10-02 | MARINE BIOLOGY $1000: The only mammals known to use tools while foraging are primates & these "playful" marine weasels sea otters |
| #666, aired 1987-06-29 | MARINE BIOLOGY $100: In the male octopus, 1 of the 8 appendages functions as a sexual organ the tentacle |
| #666, aired 1987-06-29 | MARINE BIOLOGY $200: Despite its name, this huge mammal doesn't have a hump on its back the humpback whale |
| #666, aired 1987-06-29 | MARINE BIOLOGY $300: When bivalves get scared, they pull these shut until the danger has passed their shells |
| #666, aired 1987-06-29 | MARINE BIOLOGY $400: The part of a cuttlefish you'll find in a birdcage is called this the cuttlebone |
| #666, aired 1987-06-29 | MARINE BIOLOGY $500: A whole colony of poisonous polyps hangs from the float of this colorful stinging creature Portuguese man o' war |
| #616, aired 1987-04-20 | MARINE BIOLOGY $200: North American eels migrate to the Sargasso sea to do this; then they die Reproduce (spawn) |
| #616, aired 1987-04-20 | MARINE BIOLOGY $400: Because its pigment bags connect with its nervous system, an excited octopus changes this color |
| #616, aired 1987-04-20 | MARINE BIOLOGY $600: Of about 500, 500 thousand or 500 million, # of newborns per oyster per year 500 million |
| #616, aired 1987-04-20 | MARINE BIOLOGY $800: For most sharks, the oil found in this large organ helps keep them from sinking liver |
| #574, aired 1987-02-19 | MARINE BIOLOGY $200: The World Book says that at birth, all Pandalid shrimp are this sex male |
| #574, aired 1987-02-19 | MARINE BIOLOGY $400: Among dead animals, this is the one most commonly used for back scrubbing sponge |
| #574, aired 1987-02-19 | MARINE BIOLOGY $600: Number of eyelids a catfish has none |
| #574, aired 1987-02-19 | MARINE BIOLOGY $800: The striped parrotfish tucks itself into a blanket of slime before doing this sleeping |
| #574, aired 1987-02-19 | MARINE BIOLOGY $1000: The blue-green variety of this 1st appeared in the ocean at least a billion years ago algae |
| #568, aired 1987-02-11 | MARINE BIOLOGY $200: Some filefish can chew in their throats, since they have these located there their teeth |
| #568, aired 1987-02-11 | MARINE BIOLOGY $400: Time-Life says only about 1 in 10 million sea creatures escapes this fate being eaten |
| #568, aired 1987-02-11 | MARINE BIOLOGY $600: Barnacles were once thought to be generated spontaneously from these parts of sea birds feathers |
| #516, aired 1986-12-01 | MARINE BIOLOGY $200: It's estimated if all codfish eggs grew up, this 2nd largest ocean would be solid codfish in 6 years the Atlantic |
Final Jeopardy! Round clues (0 results returned)
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