Chinese Giant Salamander (Andrias davidianus) is world's largest living amphibian, with average adult lengths of 3.77 feet (1.15 meters) and to weight ranges of 55 to 66 pounds (25 to 30 kilograms).
Shanghai Ocean Aquarium (SOA), No.1388 Lujiazui Ring Road, Pudong New Area, Shanghai, East China: J. Patrick Fischer, CC BY SA 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:2009_Andrias_davidianus.JPG
fossil of Chinese Giant Salamander's lookalike, extinct Andrias scheuchzeri
Andrias scheuchzeri is known only from fossils that date the giant salamander to Oligocene (about 33.9 million to 23 million years BP [before present]) and Pliocene (about 5.333 million to 2.58 million years BP).
Staatliches Museum für Naturkunde Karlsruhe, Baden-Württemberg state, southwest Germany; Tuesday, Jan. 5, 2010, 11:36: H. Zell, CC BY SA 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Andrias_scheuchzeri_01.jpg
Chinese Giant Salamanders are considered culinary delicacies.
two Andrias davidianus in restaurant in east central coastal province of Zhejiang
Wenzhou, southeastern Zhejiang province, east central coastal China; Thursday, Feb. 7, 2013, 13:20: Micromesistius, CC BY SA 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Andrias_davidianus_Hongqiaozhen.jpg
"200-year-old Giant salamander found alive in China" (0:55)
Uploaded December 15, 2015, by Sploid to YouTube ~ URL: https://www.youtube.com/watch?v=sCMZGPcRSOQ
Extant Chinese Giant Salamander and extinct Andrias scheuchzeri are considered as lookalikes and sometimes as synonymous.
restoration of Andrias scheuchzeri: FunkMonk (Michael B. H.), CC BY SA 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Andrias.jpg
The Chinese Giant Salamander usually has a sit-and-wait strategy for attacking prey that approach face-to-face.
The world's largest living amphibian, however, also engages in sideways attacks by biting with one side of its mouth.
closeup of head of Chinese Giant Salamander (Andrias davidianus): Egon Heiss, CC BY 4.0, via EurekAlert! @ https://www.eurekalert.org/news-releases/532555