#1 Understanding Sharks and Rays

Question 1

Rays, otherwise known as?

Answer 1

Batoids

Question 2

Rays are found in nearly every marine habitat and are also common in?

Answer 2

Estuaries, Freshwater Rivers, and Lakes

Question 3

Rays are thought to be a sister group of?

Answer 3

Sawsharks

Question 4

Oceans cover?

Answer 4

More than 3 times as much than land

Question 5

This type of shark dwells at the bottom of the ocean and is rarely seen?

Answer 5

Megamouth Shark

Question 6

Phytoplankton can not live in the?

Answer 6

The Mesopelagic Zone (or 3,300 feet)

Question 7

What makes the mesopelagic zone relatively inhabitable?

Answer 7

Low oxygen, nutrient levels, and low water temperature

Question 8

At night what do creatures in the mesopelagic zone do?

Answer 8

Make daily migrations (mostly at night) to the epipelagic zone to eat

Question 9

Many sharks live below 3,300 feet (or in the bathypelagic zone) but cannot live solely in this zone because of?

Answer 9

Lack of food

Question 10

Sharks date back more than?

Answer 10

400 million years

Question 11

Many scholars believe “Shark” comes from the German word “Schurke” which means?

Answer 11

Villain or scoundrel

Question 12

Sharks represent _________ of all living fishes

Answer 12

1 percent

Question 13

3 types of unpaired fins are?

Answer 13

Dorsal, anal, and caudal

Question 14

2 sets of paired fins are?

Answer 14

Pelvic and pectoral

Question 15

There are how many species of rays?

Answer 15

Nearly 500 worldwide

Question 16

Unlike the sharks eyes (that are on rash side) where are rays eyes?

Answer 16

On the top of their body

Question 17

Rays have their gills where?

Answer 17

On the bottom surface of the Ray

Question 18

Whiptail stingrays and stingarees are common inhabitants in?

Answer 18

Inshore coral reefs