Florida Softshell Turtle
Encyclopedia
The Florida softshell turtle (Apalone ferox) is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of softshell
Trionychidae
Trionychidae is a taxonomic family which comprises a number of turtle genera commonly known as softshells. They are also sometimes called pancake turtles. Softshells consist of some of the world's largest fresh water turtles, though many can adapt to living in highly brackish areas. Members of this...

 turtle
Turtle
Turtles are reptiles of the order Testudines , characterised by a special bony or cartilaginous shell developed from their ribs that acts as a shield...

 native to the southeastern United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, and is one of the fastest turtles to move on land.

Geographic range

It is found primarily in the state of Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

, but it also ranges to southern sections of South Carolina
South Carolina
South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

, Georgia
Georgia (U.S. state)
Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

, and Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

.

Introduced outside of range

They are widely distributed by the pet
Pet
A pet is a household animal kept for companionship and a person's enjoyment, as opposed to wild animals or to livestock, laboratory animals, working animals or sport animals, which are kept for economic or productive reasons. The most popular pets are noted for their loyal or playful...

 industry. Individual specimens have been found released to the wild well outside of their range
Range (biology)
In biology, the range or distribution of a species is the geographical area within which that species can be found. Within that range, dispersion is variation in local density.The term is often qualified:...

, but they are not known to have established outside of their native habitat
Habitat (ecology)
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant or other type of organism...

.

Description

The Florida softshell turtle typically has a dark brown to olive green, leathery carapace
Carapace
A carapace is a dorsal section of the exoskeleton or shell in a number of animal groups, including arthropods such as crustaceans and arachnids, as well as vertebrates such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.-Crustaceans:In crustaceans, the...

 with a white or cream colored underside, which provides the turtle with effective protection from some predators. They have a long neck, an elongated head, with a long snorkel-like nose. Juveniles have dark blotching, which fades as they age. On some occasions,Florida softshell turtles can sprint quickly back into a pond or lake to get away from danger. They grow to a large size, from 6-30 inches (15–76 cm), largest of all the species in the genus Apalone
Apalone
Apalone is a North American genus in the Trionychidae family of turtles, a family whose members are commonly referred to as softshell turtles. Apalone species are native primarily to the United States, though they are also found in parts of southern Canada and northern Mexico...

. Females are larger with males only reaching about 14 inches (35 cm). The juveniles are olive-yellow with grey spots and a yellow lined carapace. Juveniles also have yellow and orange markings on the head and a gray plastron. These marking disappear as it ages, although adults sometimes show traces of the markings.

Behavior

Florida softshell turtles are almost entirely aquatic, generally only emerging from the water to bask or to lay their eggs
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...

. They prefer still waters and can be found in ponds, streams, rivers, lakes and swamps. These turtles are usually shy around humans, but when they feel threatened they will bite with their strong jaws. Like all soft-shells they are very fast in water and on land. In captivity they have been known to live up to 30 years old, although in the wild their lifespans are shorter.

Diet

The Florida softshell is highly carnivorous, consuming fish, frogs and other amphibians, insects, duck hatchlings and crustaceans.
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