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Shark egg-pods? If so, sharks have hatched.
Renggis island
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Blue-spotted sting ray, Pirate's Reef.
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Dude turtle at Renggis island
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Mr. Grouch - Scorpion/Stonefish? Renggis island.
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Although the title looks like a line from Peter Pan, I actually meant the line as uttered by Captain James T. Kirk in Star Trek VI - The Undiscovered Country.