Diamondback Terrapin (Malaclemys terrapin)

A rare two-headed diamondback terrapin hatchling was recently discovered on Cape Cod, Massachusetts, in the United States. The unusual hatchling has drawn attention to a rare developmental abnormality known as polycephaly, in which an animal develops more than one head.

About Diamondback Terrapin

The diamondback terrapin (Malaclemys terrapin) is a species of turtle belonging to the family Emydidae. It is adapted to coastal environments and is known for its distinctive shell patterns.

Habitat

Diamondback terrapins inhabit brackish and coastal environments, including tidal creeks, lagoons, tidal flats, salt marshes, estuaries and coastlines. They are adapted to water with varying levels of salinity.

Distribution

The species is native to the eastern and southern United States and is also reported from Bermuda. Along the Atlantic coast of the United States, its range extends from Cape Cod, Massachusetts, in the north to the Florida Keys in the south.

Physical Characteristics

The common name diamondback terrapin refers to the diamond-shaped patterns on the upper shell, known as the carapace.

The body and head generally display distinctive wavy black markings or spots. These turtles have large, webbed feet, which help them swim efficiently.

Behaviour and Adaptations

Diamondback terrapins spend most of their lives in water but emerge to bask in the sun and lay eggs.

In colder parts of their range, adults may hibernate during winter, remaining in the mud of creeks and marshes.

Food Habits

Diamondback terrapins are primarily carnivorous. Their diet includes fish, marine snails, clams, mussels and other molluscs.

Conservation Status

According to the supplied source, the diamondback terrapin is classified as Vulnerable on the IUCN Red List.