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.orgfish riddles »easy 72% it is pregnantit is pregnant7062it has swallowed an octopusit has swallowed an octopus266it is changing skinit is changing skin535it holds some air insideit holds some air inside1878 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.orgzoology riddles »hard 53% a fisha fish3043a crustaceana crustacean913a mollusca mollusc1321a sluga slug396 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 Caspackanimals riddles »easy 79% about the size of a peanutabout the size of a peanut967about the size of a wallnutabout the size of a wallnut666about the size of a coconutabout the size of a coconut377jellyfish have no brainjellyfish have no brain7742 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: Bettyteeth riddles »hard 56% it is a horn grown on its foreheadit is a horn grown on its forehead1105it is an adapted scaleit is an adapted scale607it is a canine toothit is a canine tooth6107it is an adapted nose boneit is an adapted nose bone3039 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.orgpredators riddles »hard 56% huntinghunting6253attracting femaleattracting female1559buoyancybuoyancy1509electrical detectionelectrical detection1755 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.orgcarnivores riddles »hard 56% bubble netbubble net2882stunning song stunning song 953sudden chargesudden charge703light lurelight lure564 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.orgreptiles riddles »very hard 32% greengreen176leatherbackleatherback1909aldabra giant tortoisealdabra giant tortoise1002galapagos tortoisegalapagos tortoise2829 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 Beagleynature riddles »very hard 39% hawksbillhawksbill1499leatherbackleatherback3386loggerheadloggerhead1737greengreen2059 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: Kasiablood riddles »easy 79% redred1699blueblue15088greengreen1279yellowyellow891 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 smashercuisine riddles »hard 55% American lobsterAmerican lobster3695European lobsterEuropean lobster2632Norway lobster (scampi)Norway lobster (scampi)1800nonenone10187 Play nature quiz and see all the questions.