lucky critter aquarium underground tunnel cave natural curve two hole | viewing fish & shrimp under gravel tunnel | fish tank decor decoration hideout perfect for corydora catfish, kuhli loach, pleco (white) is up for auction in Pet Supplies. The current bid is $1.00, 94% below the $16.95 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.