Name ____________________ Per ______________ Date ___________
Instructions: Use the web site www.njscuba.net to investigate Chondrichthyes found in New Jersey waters. Fill in the blanks.
1. Describe the external appearance of:
Pectoral fins: ______________________________________
Caudal fin: ________________________________________
Color: ____________________________________________
Body Shape: _______________________________________
2. Approximately how long are Blue Sharks when females reach maturity? _______________________feet (pdf)
BASKING SHARK Size to ___________ feet
1. Sightings of Basking Sharks are often mistaken for _______________
2. How does a Basking Shark differ from a Whale Shark?
Basking Shark Whale Shark
Snout ___________________ ________________________
Color ____________________ ________________________
3. On what do they feed? ______________________________________
4. Basking Sharks are most likely to be seen in NJ during what months? ___________________________________ (pdf)
5. They may occur in groups of _________________________. (pdf)
6 . Why were whalers interested in Basking Sharks? _____________________________________________________ (pdf)
GREAT WHITE Size to _______ feet More likely to_______ feet
1. How dangerous are Great Whites considered? ______________
2. Are you allowed to catch Great Whites? ____________________
3. What type of water temp do they prefer? ____________________
4. The NY State Record Great White weighed ________________ pounds. NJ’s record is ______________ pounds.
SHORT FIN MAKO Size to ___________ feet
1. Why has the local population collapsed? _________________
______________________________________________
2. Display a distinct __________ patch around mouth.
3. Fast swimmers. Can leap _________ feet out of water.
PORBEAGLE Size to _________ feet
1. Displays a white patch at base of __________ fin.
2. Porbeagle resembles ______________ in taste. (pdf)
THRESHER Size to ___________ feet (incl tail)
1. How does a thresher use its tail? ______________________
2. What color is the Big Eye Thresher? ___________________
3. True / False They have weak jaws and small teeth.
S AND TIGER Size to __________ feet
1. Also called __________________________________
2. Usually found from surf zone to depth of _______ feet
3. How does it maintain neutral buoyancy? _____________
_____________________________________________
4. What is uterine cannibalism? _____________________
_______________________________________________
1. Lives in open ocean, but may enter _________________.
2. What does a tiger shark have in common with starfish?
__________________________________________
3. Why are they considered extremely dangerous? ________
___________________________________________________________________________________________
BULL SHARK Size to __________ feet
1. Circle all locations where bulls can be found.
Coastal waters bays rivers freshwater
Surf depth of 40 feet Amazon R. Mississippi R.
2. Where did the deadly shark attacks of 1916 occur? _________
______________________________________________
3. These attacks were the inspiration for what movie? ___________
SCALLOPED HAMMERHEAD Size to ___________ feet
1. May occur in very shallow waters such as _____________ and ___________.
2. May swim in very large schools. True / False
S PINY Size to _________ feet
1. What characterizes the dorsal surface? ________________________
2. How large might a pack of spiny dogfish be? ______________________
3. Longest gestation of any vertebrate. How long? ___________________
4. What might the lifespan of a spiny dogfish be? ____________________
5. What is located in front of each dorsal fin? _________________________________________________
SMOOTH Size to ___________ feet
1. During what months will they spawn in coastal waters? ___________
2. Appearance of teeth _______________________________________
3 . Feed on ________________________________________________
ATLANTIC ANGEL SHARK Size to _____ feet
1. Describe the feeding behavior. _________________________________________
2. Appearance is between a __________________ and a _________________.
CHAIN DOGFISH Size to ________ inches
1. Found on deep wrecks beyond _____________ feet.
SANDBAR (BROWN) Size to ______ feet
1 . The highest concentration of brown sharks in NJ is seen in the ________
as they migrate _____________ to breed.
2. What are 3 reasons this shark population is susceptible to overfishing?
1. _________________________________________________
2. _________________________________________________
3. __________________________________________________
LITTLE SKATE Size to ___________ inches
1. What type of substrate (bottom) do they prefer? _________________________
2. Lay eggs inside a tough protective case called a __________________________.
CLEARNOSE SKATE Size to ___________ inches
1. How can it be distinguished from a Little Skate? ________________________
__________________________________________________________
BLUNTNOSE STINGRAY Size to __________ feet
1. Like sandy bottoms from shallow to depth of _________________ feet.
2.
Describe the appearance of its stinger.
_____________________________________
______________________________________________________________________
3. What is the biggest danger of a stingray sting? ________________________________
4. Long whip-like tail _______________ dorsal fins.
C OWNOSE RAY Size to _____________ feet
1. True / False A free-swimming ray.
2. Feed on ___________________________________________.
3. Cownose rays are a favorite food of __________________________.
4. Describe the contour of the front of a cownose ray’s head. __________________
ATLANTIC TORPEDO Size to ____________ feet
1 . Describe the shape of this fish. ________________________________________
2. Can weigh up to ________________ pounds.
3. Produce electricity to stun fish up to ________________ volts.
4. Torpedo oil can be used externally to treat ___________________, or taken
internally to treat ___________________________. (pdf)
MERAMEC SHARKS SQUIRT A2 29 PAYTON ADAMS 47 DYLAN
NAME PER DATE SHARKS OF NEW
OBJECTIVES STUDENTS WILL UNDERSTAND THE FOLLOWING 1 SHARKS EXHIBIT
Tags: sharks of, brown sharks, sharks