Cephalopods
How many arms does an octopus and a squid have?
octopus has 8, squid has 10
Name three different mollusks
clam, oyster, mussel, sea snail, sea slug, scallops, cockles, shipworms
What is an exoskeleton?
Skeleton on the outside of a crustacean
What is the only part of a shark that is bone?
The teeth
What is a swim bladder?
A gas filled sac in a fish to control how much it floats
What are the four cephalopods?
Octopus, squid, nautilus, cuttlefish
What is the main predator of sea snails?
Other sea snails
Where are a lobster's teeth?
In it's stomach!
What happens to sharks and rays because they have no swim bladder?
They sink if they stop swimming
Name a fish that swims in schools
anchovies, sardines, herring, tuna, blue jacks, boga fish, snapper, silver sprats, grouper
What do cephalopods eat?
Mostly fish and crabs
What is a bivalve mollusk?
Has two tubes, one to take in water & food and another to expel waste
When you eat a lobster “tail”, you are NOT eating a tail. What are you actually eating?
It's abdomen (abs) muscles.
What are the "cleaning stations" of coral reefs?
A place where other fish clean the teeth and/or skin of other fish
What is the largest whale?
Blue whale
How do cephalopods taste their food?
With their suction cups
How does a bivalve make a pearl?
When a grain of sand gets in, a bivalve will layer over the sand with shell material
What does it mean when a crustacean "molts"?
It sheds it's old exoskeleton so it can grow.
What is the largest ray?
Manta Ray
What is the blowhole?
Hole on the top of a whales head through which they breathe
Which octopus is most dangerous and poisonous to people?
The tiny and cut Blue-ringed octopus
What is a nudibranch?
A shell-less mollusk known as a sea slug
What are krill?
tiny shrimp-like crustaceans
How do electric rays make an electric shock?
They have two electric battery-like organs on their heads
What is whale "breaching"?
When a whale jumps out of the water