The Yilan River () is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Lanyang River The Lanyang River () is a river in northeast Taiwan. Geology The river flows through Yilan County for 73 kilometers. It has a drainage basin area of 978 km2 with maximum peak flow of 5,420 m3/s. See also *List of rivers in Taiwan This is ...

in Yilan County, northeast

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

. It flows through Yilan for 25 kilometers.

Fauna

Three turtle species occur in the Yilan River: the native

Chinese stripe-necked turtle The Chinese stripe-necked turtle (''Mauremys sinensis'') or golden thread turtle, is a species of turtle in the family Geoemydidae. Like many other Geoemydidae, this species hybridizes vigorously with related and not-so-closely related members ...

and

yellow pond turtle The yellow pond turtle (''Mauremys mutica''), is a medium-sized (to 19.5 cm), semiaquatic turtle in the family Geoemydidae. This species has a characteristic broad yellow stripe extending behind the eye and down the neck; the carapace ranges ...

, and the introduced

red-eared slider The red-eared slider or red-eared terrapin (''Trachemys scripta elegans'') is a subspecies of the pond slider (''Trachemys scripta''), a semiaquatic turtle belonging to the family Emydidae. It is the most popular pet turtle in the United States, ...

, which outnumbers the native species.

Glass eel The eel is a long, thin bony fish of the order Anguilliformes. The species has a catadromous life cycle, that is: at different stages of development migrating between inland waterways and the deep ocean. Because fishermen never caught anything the ...

s of two eel species, ''

Anguilla japonica The Japanese eel (''Anguilla japonica''; Japanese: 日本鰻 ''nihon'unagi'') is a species of anguillid eel found in Japan, Korea, China, and Vietnam, as well as the northern Philippines. There are three main species under the Anguilla genus, and ...

'' and ''

Anguilla marmorata The giant mottled eel (''Anguilla marmorata''), also known as the marbled eel, is a species of tropical anguillid eel that is found in the Indo-Pacific and adjacent freshwater habitats. Description Similar to other anguillids, the giant mottled ...

'', are found in the river.

References

Rivers of Taiwan Landforms of Yilan County, Taiwan {{taiwan-river-stub