Fibrinogenolytic and anticoagulant activities in the tissue covering the stingers of marine stingrays Dasyatis sephen and Aetobatis narinari.

Stingray envenomation is one of the major problems in the marine and freshwater ecosystem. Accidents in human cause immediate, local and intense pain, erythema, edema, hemorrhage, tissue necrosis and secondary bacterial infection are also common. To determine the effect of two marine stingray species Dasyatis sephen and Aetobatis narinari venom extract on coagulation, fibrin(ogen)olytic, proteolytic activities.