Ruo River

Ruo River is the largest tributary of the Shire River in southern Malawi and Mozambique. It originates from the Mulanje Massif (Malawi) and forms 80 km (50 mi) of the Malawi-Mozambique border. It joins the Shire River at Chiromo.[1]

For a river in China, see Ruo Shui.
Ruo River
Rio Ruo
Location of the confluence with the Shire River in Chiromo, Malawi
Location
CountriesMalawi, Mozambique
Physical characteristics
SourceMulanje Massif, Malawi
 • coordinates15°56′59″S 35°35′37″E
MouthChiromo, Malawi
 • location
Shire River
 • coordinates
16°33′00″S 35°08′00″E
Basin size4,900 km2 (1,900 sq mi)
Basin features
River systemZambezi
WaterfallsZoa Falls

The Ruo River watershed includes the southern slopes of the Mulanje Massif and Shire Highlands in Malawi. Its principal tributary is the Thuchila (or Tuchila) River, which drains the southwestern slopes of Mulanje and the southeastern slopes of the Shire Highlands and the Thuchila plain between them. The confluence of the Ruo and Thuchila is near Sandama. The Ruo and its left bank tributaries also drain a portion of Milange District in neighboring Mozambique.

Zoa Falls (16°18'27"S 35°17'10"E) has a 60-meter drop, and effectively isolates the fish populations upstream in the Ruo watershed from those of the lower Zambezi and Shire rivers.[2]

The Shire Highlands Railway follows the lower course of the Ruo between Sandama and Chiromo.

Ruo River screeching frog

Frog Arthroleptis francei was first collected from near the Ruo River on the slopes of the Mulanje Massif. One of its common names is Ruo River screeching frog.[3] Its other common name, France's squeaker,[3] as well as its specific name francei carry a tragic history. Mr. F. H. France was a young forestry officer who perished in trying to cross the Ruo River close to where Arthroleptis francei were first collected. Arthur Loveridge, the scientist who described the species, named it after France so that "his name may be linked with the forests he sought to preserve on the mountain he loved so well."[4] Despite its connection with river though its history and naming, this frog is a terrestrial species living in leaf litter.[5]

gollark: an bad prof
gollark: I can't hear you, I'm busy working on my business pitch to investors about real-time butterfly tracking.
gollark: I was talking about your rain prediction thing being maybe theoretically possible.
gollark: For instance, you would need position and accelerometer data on the wings of *every butterfly*!
gollark: Not *theoretically possible* as in "it will actually likely be possible to do it within a few centuries".

References
  1. "Ruo River". Encyclopædia Britannica. 20 July 1998. Retrieved 16 September 2017.
  2. Tweddle, Denis. "Mulanje". Freswater Ecoregions of the World. Accessed 17 August 2019. .
  3. Frost, Darrel R. (2016). "Arthroleptis francei Loveridge, 1953". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 16 September 2017.
  4. Loveridge, A. (1953). "Zoological results of a fifth expedition to East Africa. IV. Amphibians from Nyasaland and Tete". Bulletin of the Museum of Comparative Zoology. 110: 325–406.
  5. IUCN SSC Amphibian Specialist Group (2016). "Arthroleptis francei". IUCN Red List of Threatened Species. 2016: e.T54371A77165298. doi:10.2305/IUCN.UK.2016-3.RLTS.T54371A77165298.en.


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