Cryptodires refer to animals who...
retract head into shell by ending neck in S-shape
retract head into shell by bending neck horizontally
were thought to be extinct, but turned out to be extant
were thought to be extant, but turned out to be extinct
Traits of marine turtles include...
cryptodires
pleurodires
carapace
scutes
breathe by forcing viscera upward to exhale, and inward to inhale
breathe by forcing diaphragm upward to exhale, and downward to inhale
How many species of marine turtles are there?
7
9
6
10
Label the parts of the shell/turtle identifiers
Turtles are long-lived and late maturing
Turtle thermoregulation includes:
basking
gigantothermy
counter-current circulation
thick layer of fat
Turtles are very social creatures, and aggregate in large groups
Which are common predators for turtle hatchlings?
ghost crabs
sea birds
mammals
large sharks
killer whales
feral dogs
humans
Which are common predators for adult turtles?
Caretta caretta is the formal name for the...
Loggerhead Sea Turtle
Kemp's Ridley Sea Turtle
Olive Ridley Sea Turtle
Hawksbill Sea Turtle
Check all that apply to the Loggerhead Sea Turtle:
reddish carapace
large head and heavy jaws
elongate shells, with serrated ridges on rear
circumglobal range, estuaries and salt water, tropical to subtropical waters
diet: molluscs, sponges, crabs
gray, olive, or yellowish carapace, hearth-shaped, compact
Atlantic Ocean, Gulf of Mexico
diet: crustaceans, molluscs, sea urchins, fish
Lepidochelys kempsii is the formal name for the...
Flatback Sea Turtle
Check all that apply to the Kemp's Ridley Sea Turtle
gray, olive, or yellowish carapace, heart-shaped, compact
Diet: crustaceans, molluscs, sea urchins, fish
Circumtropical Pacific and Indian Oceans, Eastern Atlantic, S. Caribbean...
Diet: molluscs, sponges, crabs
Elongate shells, with seerrated ridges on rear
Lepidochelys olivacea is the common name for the
Check all that apply to the Olive Ridley Sea Turtle
olive to yellowish carapace, heart-shaped, flattened
Range: Circumtropical Pacific and Indian Oceans, eastern Atlantic, S. Caribbean...
arribada or solitary nesting
Diet: jellies, crustaceans, sea urchins, fish
chestnut brown shell wit black and yellow tortoiseshell markings, ragged rear edges
Circmtropical waters, coral reefs
Diet: sponges
Eretmochelys imbricata is the formal name for the...
Green Sea Turtle
Leatherback Sea Turtle
Check all that apply to the hawksbill sea turtle
chestnut brown shell with black and yellow tortoiseshell markings, carapace ragged rear edges
scutes overlap slightly
Circumtropical waters, coral reefs
Diet: Sponges
flattened carapace, olive green to gray
Australia
Diet: soft corals, sea cucumbers, crustaceans, mollusks, sometimes sea grass
Natator depressus is the the formal name for the...
Flatback sea turtle
Check all that apply to the Flatback Sea Turtle
Flattened carapace, olive green to gray
Olive brown, flecked to mottled markings
Circumtropical to subtropical
Diet: seagrass, algae, invertebrates
Chelonia mydas is the formal name for the...
Check all that apply to the Green Sea Turtle
single claw on front flippers, serrated lower jaw
Cosmopolitan
Diet: jellyfish, salps, pyrosomes
Dermochelys coriacea is the formal name for the...
Check all that apply to the Leatherback Sea Turtle
Highly modified carapace
Cosmopolitan range
bluish back to dark gray
endothermy
diet: jellyfish, salps, pyrosomes
diet: sagrass, algae, invertebrates
Amblyrhynchus cristatus is the formal name for the...
Marine Iguana
American Alligator
Subfamily Hydrophiinae is home to the...
sea snakes and kraits
crocodilians
marine iguana
turtles
Check all that apply to sea snakes and kraits
paddle-like tails, laterally compressed bodies
venomous
respiration across skin and salt excretion in sublingual glands
diet: fish and octopods
ovoviviparous
amphibious
Diet: crustaceans and mollusks
Crocodilians have temperature-dependent sex determination
Crocodilians have little to no parental care
Crocodilians utilize what kind of predation?
lie-in-wait
chase
bait
ambush
Crocodylus acutus is the formal name for the...
American Crocodile
Saltwater Crocodile
Check all that apply to the American Crocodile
gray-green to olive, narrow head profile
Extreme S. Florida and FL Keys
Diet: fish, crabs, birds, turtles, snakes, small mammals
Diet: opportunistic predators, pythons
dark gray to black, broad head profile and rounded snout
North Carolina to FL Keys to Gulf Coast
Alligator mississippiensis is the formal name for the...
Check all that apply to the American Alligator
dark gray to black, borad head profile and rounded snout
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