1. What is „Halichoerus grypus“
(a) Sponge
(b) Seal
(c) Seagull
(d) Tropical Fish

2. How long do male Emperor Penguins stay inland to warm the egg?
(a) 50 days
(b) 70 days
(c) 90 days
(d) 110 days

3. What frequency can the sonar of a buttlenosed dolphin have?
(a) 1-50 kHz
(b) 1-120 kHz
(c) 100-230 kHz
(d) 100-340 kHz

4. What does a Blue Whale eat?
(a) Jelly
(b) Fish
(c) Plankton
(d) Algae

5. What is a “Pizzly”?
(a) Hybrid between Polar Bear and Grizzly
(b) Seal cub
(c) Drink containing algae
(d) Reef fish

6. What name did the film crew give the mechanical shark of Spielberg’s “Jaws” (1975)?
(a) Bruce
(b) Jaw
(c) Snapper
(d) Ethan

7. How far can the low frequency calls (20Hz) of fin whale be heard?
(a) 50 miles
(b) 200 miles
(c) 2000 miles
(d) 10’000 miles

8. A Bluefin Tuna weighing 269 kg was sold for how much in Tokyo (Jan 2012)?
(a) 65’000 US$
(b) 120’000 US$
(c) 560’000 US$
(d) 740’000 US$

9. How old can a Harp Seal get?
(a) 15 years
(b) 20 years
(c) 30 years
(d) 40 years

10. How much does a juvenile starfish (Asterias rubens) eat per day?
(a) 10 kg
(b) 2 kg
(c) 500 g
(d) 10 g

11. What does the female Common Octopus (Octopus vulgaris) do after her young hatch?
(a) She swims away and leaves them to their fate
(b) She stays with them for 2 months
(c) She eats half of them
(d) She dies

12. For how long has the Genus “Nautilus” been existing on earth, more or less unchanged?
(a) 550 million years
(b) 350 million years
(c) 120 million years
(d) 65 million years

13. How fast can the Ghost Crab run?
(a) 10 m/s
(b) 2 m/s
(c) 0.5 m/s
(d) 0.1 m/s

14. How long is a European Sturgeon (Acipenser sturion) – the fish the Caviar comes from?
(a) 35 cm
(b) 1.5 m
(c) 3.5 m
(d) 5 m

15. How much does the Wandering Albatross weigh?
(a) 2 kg
(b) 7 kg
(c) 11 kg
(d) 15 kg

16. What’s the span of the Giant Manta ray?
(a) 10.5 m
(b) 6.7 m
(c) 4.8 m
(d) 3.2 m

17. Which one is the largest Turtle (carapace length 1.8 m)?
(a) Kemp Ridley
(b) Green Turtle
(c) Loggerhead Turtle
(d) Leatherback Turtle

18. Which one is the fastest of these?
(a) Orca
(b) Common Dolphin
(c) Fin Whale
(d) Sperm Whale

19. How is the sex in Turtles determined?
(a) By the genetic composition of sex chromosomes
(b) By the age of the mother
(c) By temperature while incubation
(d) Always 50-50%

20. How do Coral eggs get fertilized?
(a) They don’t, it’s asexual reproduction
(b) There are reef fish that act as fertilization vectors
(c) They grow a tube reaching to the neighbor
(d) The entire reef spores simultaneously and the eggs and spores mix in the water

21. How hard can a Great White shark bite?
(a) 50 kg/cm2
(b) 90 kg/cm2
(c) 140 kg/cm2
(d) 180 kg/cm2

22. Which of the following kills the fewest people per year on average?
(a) Box Jelly
(b) Great White
(c) Crocodile
(d) Elephant

23. The Mantis Shrimp rushes its front claws out to defend itself. How fast does it do that?
(a) 5 ms
(b) 20 ms
(c) 40 ms
(d) 100 ms

24. How do Sea Otters open mussels?
(a) By smashing them on stones placed on their belly
(b) By biting on them repeatedly
(c) By picking them open with their fingers
(d) They don’t eat mussels

25. How many vertebrae does a bottlenose Dolphin have? (Human 33)
(a) 21-23
(b) 32-34
(c) 56-58
(d) 64-66

26. What can “Periophthalmus barbarous” do what other fish can’t?
(a) It can swim backwards
(b) It can glow with the help of bacteria
(c) It can spend a long time on land, hopping
(d) It can swallow prey the same size itself is

27. What is the Conservation Status of the Dugong?
(a) Least concern
(b) Endangered
(c) Vulnerable
(d) Extinct in the Wild

28. How heavy can the biggest sea slug, the Sea Hare (Aplysia vaccaria), get?
(a) 20 kg
(b) 14 kg
(c) 10 kg
(d) 6 kg

29. How long can the longest algae get (Giant Sea Kelp)?
(a) 65 m
(b) 45 m
(c) 25 m
(d) 5 m

30. What color does the blood of the Xiphosura (Horseshoe Crab) have?
(a) Red
(b) Orange
(c) Blue
(d) It doesn’t have blood as we do

​

31. Which of those inhabitants of the ocean is genetically the closest relative to humans?

(a) Starfish

(b) Octopus

(c) Jelly

(d) Sponge

​

32. How many fins do sharks have?

(a) 6

(b) 7

(c) 8

(d) the number isn't constant between species

​

33. How many bacteria are there approximately in the entire ocean?

(a) 1.4*10 to the power of 10

(b) 1.4*10 to the power of 20

(c) 1.4*10 to the power of 30

(d) 1.4*10 to the power of 40