How do stingrays sting?
Stingrays use a barb at the end of their tails to sting. 
What is the name of this sea creature?

The Vampire Squid

What classifies marine invertebrates?
Ocean animals that lack a vertebra.
What marine mammals have a pocket in their armpits where they store their favorite rock?
Sea Otters
Under each forearm are baggy pockets of loose skin. Sea Otter uses these pockets to store favorite rocks that it uses for cracking open mollusks and clams.

Animals that glow in the dark are called what?
Bioluminescent
Why are bull sharks so aggressive?
Bull Sharks have the highest level of testosterone out of any animal in the animal kingdom.
What defines the Deep Sea?
The depth at which light begins to dwindle, typically around 200 meters (656 feet)
What 4 animal species are considered cephalopods?
Squids, Octopuses, cuttlefishes, and nautilus.

What famous whales are actually dolphins?
Killer whales/Orcas
Killer whales are part of the dolphin family.
What do male seahorses carry the babies in?
A brood Pouch

How many bones does the average shark have?
Sharks have 0 bones. Trick question! Sharks although they have a skeleton structure are made of cartilage, not bone.
Why do blobfish look like this? 
The Pressure.
Blobfish don't have many bones or muscles, allowing the pressure of the deep sea to provide them with body structural support. When brought to the surface, the blobfish decompresses, giving it the iconic gelatinous look.
Blobfish actually look like this...

What are these invertebrates called?

Nudibranchs

Dolphins use the venom of what animal to get high?
Pufferfish
Pufferfish produce a potent defensive chemical, which they eject when threatened. In small enough doses, however, the toxin seems to induce "a trance-like state" in dolphins that come into contact with it.![]()
What ocean animal can punch as fast as a 22-caliber bullet/50mph and can boil the water around it?
The Mantis Shrimp

What allows sharks to sense electromagnetic fields in the water?
The Ampullae of Lorenzini
What is the most explored patch of deep ocean in the world?
Monterey Bay
What is the most venomous cephalopod in the world?
The blue-ringed Octopus
What substances produced by whales were ingredients in perfumes?
Ambergris/Whale Vomit
Natural ambergris is used as a base note in perfumes and it makes scents last longer.
It has been mostly replaced by synthetic ambroxide.
Commonly mistaken for a horn, the spirals on the heads of narwhals are actually what?
A Tooth
The horn is an enlarged tooth with sensory capability and up to 10 million nerve endings inside.
What are the small-teeth-like structures that make up the skin of sharks called?
Dermal Denticles
These scales point towards the tail and help reduce friction from surrounding water when the shark swims.

Name the 5 zones of the ocean
The Sunlight Zone, Twilight Zone, Dark/Midnight Zone, Abyssal Zones, and Hadal Zone
King crabs are more closely related to what than to crabs.
Arachnids/Spiders
What is the most endangered marine mammal?
The Vaquita

Although Manatees are often called "sea cows" what animals are actually their closest living relatives?

Elephants