乌鲨 - 维基百科,自由的百科全书
Etmopterus lucifer, Blackbelly lanternshark - FishBase
Etmopterus lucifer | Shark-References
網頁Short Description. Dark grey (Ref. 6577) or brown dorsally, black ventrally, with a distinct black streak above and behind pelvic fins; fins lighter; belly luminous [578]. Small and slender with a moderately elongate caudal …
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Etmopterus lucifer, Blackbelly lanternshark
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Etmopterus lucifer - FishBase
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Etmopterus lucifer - europa.eu