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| 질의: Description | 결과: 7938번째/10150 | |
razorback sucker (Xyrauchen texanus)
| 제목: | razorback sucker (Xyrauchen texanus)
| | 올린이: | Wiki Photos (---@---.---)
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| 해상도: 4000x2660
파일크기: 5270515 Bytes
촬영일: 2015:04:16 05:12:34
사진기: NIKON D3200 (NIKON CORPORATION)
F number: f/4.8
Exposure: 10/600 sec
Focal Length: 380/10
등록시간: 2017:02:16 20:59:23
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Adult razorback sucker
Description
Photograph taken by Melanie Fischer, USFWS
Date 16 April 2015, 05:12
Source Razorback Sucker- adult https://www.flickr.com/photos/usfwshq/19774831695/
Author U.S. Fish and Wildlife Service Headquarters https://www.flickr.com/people/50838842@N06
Source: https://commons.wikimedia.org/wiki/File:Razorback_Sucker-_adult_(19774831695).jpg
The razorback sucker (Xyrauchen texanus) is a fresh water sucker fish found in rivers and lakes in the western United States. It can grow to a meter in length and is recognisable by the keel between its head and dorsal fin. It used to inhabit much of the Colorado River basin but commercial fishing, river damming and habitat loss have caused great declines in populations. It is now restricted to the Colorado River upstream of the Grand Canyon, and to three lakes, Lake Mead, Lake Mohave and Lake Havasu. Order: Cypriniformes, Family: Catostomidae, Genus: Xyrauchen, Species: Xyrauchen texanus (C. C. Abbott, 1860). |
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