How fast can the giant trevally fish swim?
40 km/h
60 km/h
30 km/h
50 km/h
What percentage of the Earth's oceans have humans explored?
50%
5%
15%
25%
What was the most surprising feature of the giant trevally fish?
Its speed
Can you describe how the tusk fish used a rock as a kitchen tool?
The tusk fish used a rock to break open a shellfish by repeatedly hitting the shell against the rock.
The tusk fish will be featured in a future documentary series.
True
False
Not given
What tool did the tusk fish use in the documentary?
A shell
A stick
A leaf
A rock
The author was not impressed by the photography in the documentary.
True
Not given
False
What happens to baby green turtles as soon as they hatch from eggs on the beach?
They go to the sea
How did the adult kobudai fish change from female to male, and what happened afterwards?
The adult kobudai fish changed from female to male and then fought other males for the attention of females.
How long did it take the film-makers to make the documentary series 'The Blue Planet II'?
3 years
1 year
4 years
7 years
The author of this text thinks the film was a waste of time
True
Not given
False
The kobudai fish is considered one of the most beautiful fish in the ocean.
True
False