thresher shark, by the way, is endangered MarineBio: Thresher shark, Alopias vulpinus http://marinebio.org/species.asp?id=284 http://marinebio.org/species.asp?id=284 threshers รูปและข้อมูลเพิ่มเติม (อังกฤษ) http://marinebio.org/species.asp?id=284 MarineBio: Thresher shark, Alopias vulpinus Marinebio.org fact sheet Marinebio.org fact sheet