![Found this strange stone while walking today... cought my eye because it was shiny, but upon further inspection, the surface looked scaly, and had a strange shape almost resembling a rib cage. : Found this strange stone while walking today... cought my eye because it was shiny, but upon further inspection, the surface looked scaly, and had a strange shape almost resembling a rib cage. :](https://i.redd.it/4jg1u2wz2a791.jpg)
Found this strange stone while walking today... cought my eye because it was shiny, but upon further inspection, the surface looked scaly, and had a strange shape almost resembling a rib cage. :
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Amazon.com : Fluval ClearX Filter Media Insert, Replacement Aquarium Filter Media, 4-Pack, A1336 : Pet Supplies
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