The green sawfish, also known as the longcomb sawfish or narrowsnout sawfish, is quite possibly

Thegreen sawfish, also known as the longcomb sawfish or narrowsnout sawfish, is quite possibly the largest species of sawfish, historically reaching lengths of up to 24 feet.  It was once found in 37 separate countries, but now populations have been confirmed in only 11.  The total population of this fish has declined by over 80% in the past three generations, making it critically endangered.