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 72% it is pregnantit is pregnant7834it has swallowed an octopusit has swallowed an octopus290it is changing skinit is changing skin588it holds some air insideit holds some air inside2062fish 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 54% a fisha fish3389a crustaceana crustacean1011a mollusca mollusc1437a sluga slug423zoology 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 peanut1051about the size of a wallnutabout the size of a wallnut720about the size of a coconutabout the size of a coconut406jellyfish have no brainjellyfish have no brain8330animals 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 forehead1179it is an adapted scaleit is an adapted scale637it is a canine toothit is a canine tooth6571it is an adapted nose boneit is an adapted nose bone3217teeth 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 57% huntinghunting7078attracting femaleattracting female1686buoyancybuoyancy1661electrical detectionelectrical detection1942predators 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 58% bubble netbubble net3612stunning song stunning song 1121sudden chargesudden charge808light lurelight lure664carnivores 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 32% greengreen186leatherbackleatherback2049aldabra giant tortoisealdabra giant tortoise1077galapagos tortoisegalapagos tortoise3023reptiles 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 39% hawksbillhawksbill1598leatherbackleatherback3636loggerheadloggerhead1865greengreen2187nature 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% redred1791blueblue16007greengreen1342yellowyellow938blood 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 lobster3939European lobsterEuropean lobster2775Norway lobster (scampi)Norway lobster (scampi)1922nonenone11309cuisine riddles » Play nature quiz and see all the questions.