Approximately how many species are currently classified as a 'marine mammal'? A. 7,000,000 B. 100
B. 100 species!
How many tentacles does an octopus have?
8
What is the largest fish in the sea? A. whale shark or B. blue whale
A. whale shark!
What is a group of fish called?
school
About what percent of the Earth’s surface is covered in water? A. 86% B. 90% C. 75%
about 75%
Which organ is responsible for filtering the salt from the diet of whales? A. the kidneys B. the heart
A. the kidneys!
Which fish has many bright colors along its sides?
Rainbow Trout
What is the most poisonous (and venomous) fish in the world? A. the viperfish B. the stonefish
B. The stonefish!
What part of a sturgeon is the caviar?
The Roe
How many oceans are there? A. 5 B. 3 C. 7
5 oceans
How long is the blue whale (the largest animal to ever live on Earth)? A. 55 feet C. 100 feet
C. 100 feet long!
How do scientists tell how old a fish is? A. number of teeth B. ear growth rings
B. ear growth rings!
What fish has the least calories? A. Herring B. Tuna or C. Cod
C. Cod
What kind of creature sleeps with one eye open? A. Dolphin. B. Octopus C. Blue Shark
A. Dolphin.
A kipper is a what?
Smoked herring.
Which fish has the fastest swimming speed in the ocean? A. tuna B. sailfish
B. The sailfish (at over 100 km/h)!
What is the dirtiest fish to eat? A. Salmon B. Tilapia C. Herring
B. Tilapia
Which is the largest ocean? A. Pacific Ocean B. Atlantic Ocean C. Indian Ocean
At around 165 million square kilometers (64 million square miles), the Pacific Ocean is the largest ocean by far.
What does 'pinniped' mean when referring to seals and sea lions? A. "four-flippered" B. "fin-footed"
B. "fin-footed"
Which species inhabits the deepest depths ever recorded for a fish (5 miles down in the Mariana Trench)? A. lantern fish B. snailfish
B. snailfish!
Which is the smallest ocean? A. Arctic Ocean B. Indian Ocean C. Southern Ocean
At around 6 million square miles, the Arctic Ocean is the smallest ocean.