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Description:
Oyster leeches are generally oval in shape, with greatly flattened bodies.  Color is tan to darker brown.  They are common inhabitants of oyster reefs and reach 2.5 - 3.2 cm (approximately 1 inch) in length. 

Habitat:
Preferred habitat for Stylochus sp. is oyster reef.

Range:
Full extent of range is undetermined. However, Stylochus sp. are found throughout the Indian River Lagoon, and are most abundant in areas where oysters occur.

 

 

 

 

 

 

 

 

 

 

 

 

 


 


 

 

 

 

Stylochus sp. , the oyster leech: Note two flatworms in oyster shell.  Photo courtesy of: Newman & Flowers, Smithsonian Institution (NMNH).
Close-up of Stylochus sp. flatworms showing eyespots.  Photo courtesy of: Newman & Flowers, Smithsonian Institution (NMNH).
          
 

Stylochus sp. lays its eggs inside empty oyster shells where they are protected until hatching occurs.