10 most difficult sea animals riddlesSea animals quiz
Which turtles are the biggest?
aldabra giant tortoise
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).
What is special about Synalpheus Pinkfloydi shrimp?
hunting with sound
characteristic breeding dance
The shrimp, called also Pink Floyd pistol shrimp, may be found in Pacific waters at Panama coast. The sound of its snapping claw shut reaches 210 decibels (while whales achieve 188 decibels), and can kill passing nearby small fish. It is probably the loadest sound an animal creates.
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.
How much does the tongue of an adult whale blue weigh?
about 40 kilos
about 770 kilos
around 2.7 tonnes
around 2.7 tonnes
A blue whale's tongue weighs around 2.7 tonnes (3.0 short tons) and, when fully expanded, its mouth is large enough to hold up to 90 tonnes (99 short tons) of food and water.
What is the name of the smallest species of dolphin?
Pygmy killer whale
Indo-Pacific bottlenose dolphin
Māui's dolphin or popoto (Cephalorhynchus hectori maui) is the world's rarest and smallest known subspecies of dolphin. Māui's dolphins are only found off the west coast of New Zealand's North Island.
What is the top speed of the sailfish, considered to be the fastest fish in the world?
up to 50 mph
up to 70 mph
up to 90 mph
well over 100 mph
Clocked at speeds in excess of 68 mph, some experts consider the sailfish the fastest fish in the world. Easily recognized, sailfish are named for the spectacular sail-like dorsal fin that extends for nearly the entire length of their silver-blue body. Additionally, the sailfish's upper jaw is far longer than its lower jaw, forming a distinctive bill that looks like—and sometimes acts like—a spear.
What is the inventive hunting technique of humpback whales?
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.
What kind of lobster is red when fully grown up?
Norway lobster (scampi)
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.
What kind of animal is a seahorse?
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.
What does swordfish use its sword for?
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.