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The Private, Exclusive Guide for Serious Divers Since 1975
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October 2021    Download the Entire Issue (PDF) Vol. 36, No. 10   RSS Feed for Undercurrent Issues
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Flotsam & Jetsam

from the October, 2021 issue of Undercurrent   Subscribe Now

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Sand Tigers, Grey Nurse Sharks, or Ragged Tooth Sharks are essentially the same species with names differing worldwide. In Eastern Australia, their numbers are increasing, despite being endangered. This year at Wolf Rock off Queensland's Rainbow Beach, between 70 and 100 pregnant grey nurse sharks were spotted, the most in the past 13 years. While grey nurse sharks hold up to 80 embryos in two uteruses; only the fittest embryos survive because of intrauterine cannibalism. There's some serious sibling rivalry going on inside there. ABC Australia

A Hazard of COVID for Travelers. Operators of an Undersea Hunter Fleet vessel, during a 36-hour crossing to Cocos Island last month, discovered one of its crew was infected with COVID. They returned to port, and further testing revealed two more crew members were infected. No passengers were infected, but they lost their long-awaited trip as well as valuable vacation time. The operator offered them full refunds, or they could reschedule to a future trip and covered expenses for rescheduling as well....

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