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Cookie Cutter Shark (Isistius brasiliensis) Cookiecutter shark,Isistius brasiliensis,Life in the dark Click/tap to enlarge Species introCountry intro

Cookie Cutter Shark (Isistius brasiliensis)

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  1. View Anotheca's profile
    Anotheca
    Lion
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    The Cookie Cutter Shark (Isistius brasiliensis) is a true parasite! These animals inhabit the twilight and dark zones of the oceans. They swim up to larger fishes (including other sharks) as well as marine mammals and take a bite. They have a mouth that cuts out a small round plug. The shark swims off with a meal and the “donor” leaves… a little bit worse for the wear, but alive. Another cool aspect to these sharks, they glow in the dark. The bioluminescence may be used in recognition of same sex or opposite sex individuals (with the species communication) or it may help with counterillumination. This individual was photographed in the Gulf of Mexico, April 2021. All of this is part of the DEEPEND-RESTORE Project (www.deependconsortium.org). Posted 3 years ago

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The Cookiecutter shark

The cookiecutter shark, also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae. This shark occurs in warm, oceanic waters worldwide, particularly near islands, and has been recorded as deep as 3.7 km.

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Similar species: Dogfish Sharks
Species identified by Anotheca
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By Anotheca

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Uploaded Dec 16, 2021. Captured Apr 28, 2021 05:52.
country flag of United States of America Explore United States of America 39,925 9,640 8
  • SLT-A77V
  • f/20.0
  • 1/125s
  • ISO400
  • 100mm