| 词条 | Onilahy River |
| 释义 |
| name = Onilahy River | name_native = | name_native_lang = | name_other = | name_etymology = | image = JNB-MRU 22.08.2009 13-16-31.jpg | image_size = | image_caption = Onilahy River estuary | map = Madagascar rivers.svg | map_size = | map_caption = Map of Malagasy rivers (Onilahy flows from the south-central part to the southwestern coast). | pushpin_map = | pushpin_map_size = | pushpin_map_caption= | subdivision_type1 = Country | subdivision_name1 = Madagascar | subdivision_type2 = | subdivision_name2 = | subdivision_type3 = | subdivision_name3 = | subdivision_type4 = | subdivision_name4 = | subdivision_type5 = Cities | subdivision_name5 = Mandrofify, Ambolofoty | length = {{convert|525|km|mi|abbr=on}} | width_min = | width_avg = | width_max = | depth_min = | depth_avg = | depth_max = | discharge1_location= | discharge1_min = | discharge1_avg = | discharge1_max = | source1 = | source1_location = near Betroka | source1_coordinates= | source1_elevation = | mouth = Bay of Saint-Augustin | mouth_location = Saint Augustin, Mozambique Channel | mouth_coordinates = | mouth_elevation = | progression = | river_system = | basin_size = | tributaries_left = | tributaries_right = | custom_label = Protection status | custom_data = {{Designation list | embed = yes | designation1 = Ramsar | designation1_offname = Zones humides de l'Onilahy | designation1_date = 22 May 2017 | designation1_number = 2304[1]}} | extra = }} Onilahy is a river in Toliara Province, southern Madagascar. It flows down from the hills near Betroka to the Mozambique Channel. It empties at St. Augustin ({{Coord|23.5666667|S|43.75|E|display=inline,title}}), and into the Bay of Saint-Augustin. Two species of cichlids are endemic to the river basin, but Ptychochromis onilahy is probably already extinct[2] and the remaining range of Ptychochromoides betsileanus covers less than {{convert|10|km2|mi2}}.[3] References1. ^{{Cite web|title=Zones humides de l'Onilahy|website=Ramsar Sites Information Service|url=https://rsis.ramsar.org/ris/2304|accessdate=25 April 2018}} {{Rivers of Madagascar}}{{Madagascar-river-stub}}2. ^Stiassny, M., and Sparks, J. S. (2006). Phylogeny and Taxonomic Revision of the Endemic Malagasy Genus Ptychochromis (Teleostei: Cichlidae), with the Description of Five New Species and a Diagnosis for Katria, New Genus. American Museum Novitates 3535. 3. ^{{IUCN2011.1|assessor=Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop 2004|year=2004|id=18832|title=Ptychochromoides betsileanus|downloaded=14 July 2011}} 3 : Rivers of Madagascar|Mozambique Channel|Ramsar sites in Madagascar |
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