Giant Salamanders - Genus Dicamptodon Size: 2 1/2 to 6 4/5 inches (6.25 - 17 cm) snout to vent, and up to 13 inches (34 cm) total length (including tail.) The adult Coastal Giant Salamander can reach up to 34 cm (13 inches) in total length. Coastal Giant Salamander. The salamander is solitary except for the breeding season. Dicamptodon tenebrosus of the Coast Redwood forest . A Giant Salamander is a large amphibian in the Cryptobranchidae family. Their size may be as long as 12 inches (33 cm). Geographic Range. The species is mainly nocturnal; however, it may be active during the early morning hours as well. Pacific giant salamanders occupy the coastal areas of British Colombia, Oregon, Washington, and northern California. Coastal Giant Salamanders are the only salamanders capable of true vocalization, with adults emitting bark-like cries when disturbed (Nussbaum et al. 1983). In British Colombia, these salamanders are only found in the extreme southwest region, south of the Fraser valley and in the Chilliwack district. Description. Distribution Global The range of the Coastal Giant Salamander extends along the western coast of North America from southwestern British Columbia, through the The Coastal Giant Salamander has a complex life history and the habitat needs of all life stages must be met for populations to persist. advertisement. Read on to learn about the Giant Salamander.  The Coastal Giant Salamander has four toes on the front feet and five toes on the back feet.The species tail is around 40 percent of the total length of the salamander and is laterally compressed. Researchers recognize four living species in two taxonomic genuses, Cryptobranchus and Andrias.The Hellbender lives in North America, while the Chinese, South China, and Japanese species live in China and Japan, respectively. Coastal giant salamander is a species of salamander endemic to the United States and Canada. Giant Salamanders live up to their name, growing up to a foot long, although it takes years for them to reach that size … The salamanders typically inhabit small, cascading mountain streams and adjacent moist, shaded forest (up to 1200 m in elevation). Coastal Giant Salamanders require habitat for each of four distinct activities: One animal found in the coast redwood forest is the Coastal Giant Salamander, or Pacific Giant Salamander. obs.).