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Class Sarcopterygii
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Class Sarcopterygii
Sarah Krammer and Liz Ambrose
Example Pictures
Bibliography and Works Cited
Lungfish
Coelacanth
It is believed that early amphbians can be traced back to lobe-finned fish
Nature, Canadian Museum of. Lobe-Finned Fishes: Natural
History Notebooks. N.p., n.d. Web. 27 Apr. 2017.
"Lobe Finned Fishes." Lobe-finned Fishes. N.p., n.d. Web. 27 Apr. 2017.
"Class Sarcopterygii." Untamed Science. N.p., n.d. Web. 27 Apr. 2017.
"Phylum Chordata." Class Sarcopterygii. N.p., n.d. Web. 27 Apr. 2017.
"Sarcopterygii." Introduction to the Sarcopterygii. N.p., n.d. Web. 27
Apr. 2017.
Entertainment, SeaWorld Parks &. "Diet & Eating Habits."
Animals: Explore. Discover. Connect. Sea World, n.d.
Web. 27 Apr. 2017.
Special Characteristics
One of the most important characteristics of lobe-finned fish is the lobe in their fins.
Unlike other fish, sarcopterygian fish have a central appendage in their fins containing many bones and muscles.
Additionally, the Sarcopterygii is known for having enamel on the teeth.
Movement + Feeding
LOBE FINNED
FISH
C l a s s i f i c a t i o n
Movement: main mechanism of movement is
their tail
Feeding: similar feeding habits
to modern pikes or salmon
Kingdom: Animalia
Phylum: Chordata
Superclass: Osteichthyes
Class: Sarcopterygii
Reproduction
General Characteristics
Reproductive Strategies: External fertilization and development
Number of Offspring: Generally release millions of eggs, in hopes that a few will survive
Life Cycle
Sarcopterygians are placed in the Osteichthyes group (bony fishes), because their skeleton is bone rather than cartilage, and are therefore most closely related to Actinopterygians
They can range anywhere from .5 inches to 15 feet
The basic structure and function of the fish body are similar to those of all other vertebrates.
Two noteworthy types of Lobe Finned Fish are the Coelacanths and the Lungfish.
It is estimated that Coelacanths can live up to 60 years of age or more.
Lungfish can be extremely long-lived, and one kept in captivity is around 80 years old.
Ocean Life
What Do They Eat?
Preferred habitat within the ocean: Coelacanths live in the benthic zone, between 200 - 300m along steep underwater slopes and shelves.
Geographic location: waters of the Indian Ocean, Africa, and South America
"As a group, bony fishes have a diverse range of food preferences.
Some are herbivores (plant-eaters); some are carnivores (meat-eaters); some are omnivores (plant- and meat-eaters); and some are detritivores (animals that eat decomposing plants and animals)."