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Dark ghost shark

10/31/2016

 
Picture
Picture credit unknown
Another New Zealand native, The Fins United Initiative brings you the slow growing, deepwater dark ghost shark, Hydrolagus novaezealandiae. (Can we just take a second to appreciate ITS AWESOME NAME?)
​
Hydrolagus novaezealandiae is caught almost entirely as bycatch in trawl fisheries that mainly target hoki. Fun fact: Trawl surveys show that the dark and pale ghost sharks (Hydrolagus bemisi) have differences mainly influenced by water depth!

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Emerald lantern shark

10/27/2016

 
Picture
NOAA\NMFS\Mississippi Laboratory - http://fishbase.org/photos/PicturesSummary.php?ID=25482&what=species
To some, it is known as the “blurred lantern shark.” In fact, Shirai and Tachikawa (1993) named it the “blurred smooth-dogfish;” the American Fisheries Society adopted the name, “blurred lantern shark” instead. However, Jose Castro suggests describing it as the “emerald lantern shark.” This is due to the bright emerald color that runs along its flanks. Otherwise, they’re completely black.
​
Well, besides the photophores under their belly, which are blue in color. Scientifically known as Etmopterus bigelowi, this shark has two dorsal fins, each protected by a large spine. They have profound morphometric changes with growth: in both sexes the length of the trunk increases allometrically of the total length. They have cool denticles in that they are flat and have four points. 

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Deep water catshark

10/26/2016

 
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Deepwater catshark, Apristurus profundorum. From plate 5 of Oceanic Ichthyology by G. Brown Goode and Tarleton H. Bean, published 1896.
​The genus Apristurus is made up of at least 32 described species and a large number of species that are potentially undescribed. Our featured shark, the deep water catshark (Apristurus profundorum), is only known from ONE holotype, an adolescent male.

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    Author

    TFUI Founder Melissa C. Marquez is author of all animal bios and "Behind the Fins" segments.
    ​
    A proud #LatinainSTEM, Marquez is a marine biologist who focuses on shark habitat use and movements; she is also a science communicator (follow her on Twitter) who focuses on diverse Chondrichthyan education and who focuses on the media coverage of sharks.
    You can learn more about her on her website.

    SEE MELISSA'S TEDx TALK HERE:

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  • About TFUI
    • TFUI Origins >
      • About TFUI Founder Melissa
      • TFUI Officers
    • Take a Bite
    • Get Involved
    • FAQ
  • Bite Blog
  • Education
    • The Sharks >
      • Shark Anatomy
    • The Skates & Rays
    • The Chimaeras
    • Why Environments Matter
    • The Threats
    • Open Access >
      • Behind the Fins: Interview series
      • Bite into Research
      • Shark Bites: Book Recommendations
      • Sustainable Seafood Apps
  • Fins United
    • Shark Party Ideas
    • Little Fins Nursery
    • Big Fins Reef
  • Contact