Sea animals questions This is a list of recently added questions about sea animals. Play sea animals quiz and see all the questions. Why is this seahorse male so thick?It is pregnant. Seahorse males deliver the babies. After mating, the fertilized eggs are embedded in the pouch wall and become surrounded by a spongy tissue. The male provides oxygen and supplies the eggs with prolactin, the same hormone responsible for milk production in pregnant mammals.Created by: globalquiz.orgeasy 73% it is pregnantit is pregnant10210it has swallowed an octopusit has swallowed an octopus385it is changing skinit is changing skin734it holds some air insideit holds some air inside2598fish riddles » What kind of animal is a seahorse?A fish. Although seahorses are bony fish, they do not have scales, but rather thin skin stretched over a series of bony plates, which are arranged in rings throughout their bodies.Created by: globalquiz.orghard 52% a fisha fish4402a crustaceana crustacean1280a mollusca mollusc2073a sluga slug593zoology riddles » Box jellyfish have sophisticated eyes with a lens and a retina. How big is its brain?Jellyfish have no brain. Their speed and vision leads some researchers to believe that box jellyfish actively hunt their prey. Since they have no brain, the mechanisms that could make it happen remain unknown.Created by: Paul Caspackeasy 79% about the size of a peanutabout the size of a peanut1281about the size of a wallnutabout the size of a wallnut885about the size of a coconutabout the size of a coconut471jellyfish have no brainjellyfish have no brain10151animals riddles » What is narwhal 'horn' really made of?It is a canine tooth. Usually, males have a single long tusk, the canine on the left side of the upper jaw that projects through the lip and forms a left-handed helix. The tusk grows throughout life reaching length of 3 m (10 ft). In some rare cases, both canines grow equally long, forming two tusks. In the Middle Ages, narwhal tusks were sold as unicorn horns.Created by: Bettyhard 56% it is a horn grown on its foreheadit is a horn grown on its forehead1392it is an adapted scaleit is an adapted scale780it is a canine toothit is a canine tooth8184it is an adapted nose boneit is an adapted nose bone4129teeth riddles » What does swordfish use their sword for?Hunting. Swordfish charge at high speeds through forage fish schools, slashing with their swords to kill or stun prey (contrary to the popular belief, they do not "spear"). They then turn and return to consume their catch.Created by: globalquiz.orghard 55% huntinghunting9851attracting femaleattracting female2636buoyancybuoyancy2596electrical detectionelectrical detection2717predators riddles » What is the inventive hunting technique of humpback whales?Bubble net. A group of whales swims in a shrinking circle blowing bubbles below a school of prey. Forage fish show a strong fear of bubbles and can be easily contained within a bubble curtain. The shrinking ring of bubbles encircles the school and confines it in an ever-smaller cylinder. The whales then suddenly swim upward through the "net", mouths agape, swallowing thousands of fish in one gulp.Created by: globalquiz.orghard 54% bubble netbubble net6202stunning song stunning song 2326sudden chargesudden charge1578light lurelight lure1362carnivores riddles » Which turtles are the biggest?Leatherback. The leatherback sea turtle, the only extant member of the family Dermochelyidae, is the largest of all living turtles and is the fourth largest modern reptile behind three crocodilians. In the Caribbean, the mean size of adults was reported at 384 kg (850 lb) in weight. The largest ever found weighed 916 kilograms (2,020 lb).Created by: globalquiz.orgvery hard 30% greengreen232leatherbackleatherback2384aldabra giant tortoisealdabra giant tortoise1465galapagos tortoisegalapagos tortoise3760reptiles riddles » Which sea turtles are the deepest divers?Leatherback turtles are one of the deepest diving marine animals. Individuals have been recorded diving to depths as great as 1,280 meters (4,200 ft). Such depths are unreachable for turtles with hard shells, as these would have been crushed by the pressure.Created by: Jason Beagleyvery hard 37% hawksbillhawksbill1974leatherbackleatherback4310loggerheadloggerhead2349greengreen2801nature riddles » What color is octopus blood?Blue. Both squids and octopuses have blue blood. They use an oxygen-carrying molecule in their blood called hemocyanin that contains copper. In cold conditions with low oxygen pressure, hemocyanin oxygen transportation is more efficient than hemoglobin oxygen transportation.Created by: Kasiaeasy 79% redred2187blueblue19592greengreen1631yellowyellow1123blood riddles » What kind of lobster is red when fully grown up?None. The normal coloration of lobster is dark bluish green to greenish brown, redder on the body and claws, and greener on the legs. An estimated one in 2 million lobsters are blue. All of them turn red after cooking.Created by: Hitter smasherhard 56% American lobsterAmerican lobster5346European lobsterEuropean lobster3862Norway lobster (scampi)Norway lobster (scampi)2529nonenone15318cuisine riddles » Play nature quiz and see all the questions.