Lake sturgeon | 水產百科網
Wisconsin'slakesturgeonaregenerallyslate-gray,olive-brownorblackoverthebodywithamilkyoryellow-whiteunderside.Younglakesturgeonareusually ...
A giant among Wisconsins inland freshwater fishes, the bottom-dwelling lake sturgeon is a living fossil - a relic from the Middle Ages of fish evolution. This ancient species made its first appearance about 100 million years ago in the Upper Cretaceous period of the Mesozoic era, just about the time that the dinosaurs made their abrupt exit from Earths ever-changing stage. Today the lake sturgeon retains many primitive characteristics that have been lost or modified in other modern-day fishes.
IdentificationWith its heavy, torpedo-shaped body thick in front and tapering toward the turned-up tail in back, the young sturgeon resembles a shark but lacks the overall sleekness of the revered marine dweller. As befits a representative of fishdoms medieval era, the lake sturgeon wears "armor" in the form of bony, shell-shaped plates, or scutes, arranged in five rows ...
DNR | 水產百科網
Lake sturgeon (Species at Risk) | 水產百科網
Lake Sturgeon | 水產百科網
Lake sturgeon | 水產百科網
Lake sturgeon | 水產百科網
Lake Sturgeon | 水產百科網
Lake Sturgeon | 水產百科網
Lake sturgeon | 水產百科網
Lake sturgeon | 水產百科網
Lake sturgeon | 水產百科網
【黃鱔Monopterus albus】鱔 (Synbranchidae)
水產分類:台灣常見的大陸水產品圖說中文名稱:黃鱔學名:Monopterusalbus科別名稱:鱔(Synbranchidae)命名學者:(Zuiew)
【繁星糯鰻Conger myriaster】糯鰻 (Congridae)
水產分類:台灣常見的大陸水產品圖說中文名稱:繁星糯鰻學名:Congermyriaster科別名稱:糯鰻(Congridae)命名學者:(Brevoort)
【長吻棘鮫Squalus japonicus】棘鮫科 (Squalidae)
水產分類:台灣常見的大陸水產品圖說中文名稱:長吻棘鮫學名:Squalusjaponicus科別名稱:棘鮫科(Squalidae)命名學者:Ishikawa
【西伯利亞鱘Acipenser baerii】鱘科 (Acipenseridae)
水產分類:台灣常見的大陸水產品圖說中文名稱:西伯利亞鱘學名:Acipenserbaerii科別名稱:鱘科(Acipenseridae)命名學者:
【象鼻Gnathonemus petersii】象鼻魚科
水產分類:台灣常見的大陸水產品圖說中文名稱:象鼻學名:Gnathonemuspetersii科別名稱:象鼻魚科命名學者:(Günther1862)
【短吻棘鮫Squalus megalops】棘鮫科 (Squalidae)
水產分類:台灣常見的大陸水產品圖說中文名稱:短吻棘鮫學名:Squalusmegalops科別名稱:棘鮫科(Squalidae)命名學者:(Macleay)
【扁棘鯛Banjos banjos】扁棘鯛科 (Banjosidae)
水產分類:台灣常見的大陸水產品圖說中文名稱:扁棘鯛學名:Banjosbanjos科別名稱:扁棘鯛科(Banjosidae)命名學者:(Richardson)
【繁星糯鰻Conger myriaster】糯鰻科 (Congridae)
水產分類:台灣常見的大陸水產品圖說中文名稱:繁星糯鰻學名:Congermyriaster科別名稱:糯鰻科(Congridae)命名學者:(Brevoort)
【電鰻Electrophorus electricus】裸背電鰻科
水產分類:台灣常見的大陸水產品圖說中文名稱:電鰻學名:Electrophoruselectricus科別名稱:裸背電鰻科命名學者:(Linnaeus1766)
【草繩恐龍Erpetoichthys calabaricus】多鰭魚科
水產分類:台灣常見的大陸水產品圖說中文名稱:草繩恐龍學名:Erpetoichthyscalabaricus科別名稱:多鰭魚科命名學者:Smith1865