Squalus acanthias | 水產百科網
SqualusacanthiasGrayfish(Also:Pacificdogfish;SpinyDogfish).Facebook...Thespinydogfishcanberecognizedbyitstwodorsalfins,eachwithaspine;seconddorsalissmallerthanthefirst.Pectoralfins...KingdomAnimaliaanimals.
Geographic RangeThe spiny dogfish inhabits the temperate and subarctic latitudes of the North Atlantic and North Pacific oceans. Specimens have been found in the Black and Mediterranean seas.
HabitatSpiny dogfish exist in an oceanic environment of depths from the surface to 400 fathoms or more. They prefer a temperature range of 6-11 degrees centregade.
Physical DescriptionThe spiny dogfish can be recognized by its two dorsal fins, each with a spine; second dorsal is smaller than the first. Pectoral fins posses curved margins and rounded free rear tips. These sharks have narrow anterior nasal flaps. The teeth are oblique and smooth with a notch on the outer margin. Color is slate grey to brown above (ofte...
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【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
【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)