This is a bone from a freshwater fish. It doesn't appear to have been in the water too long, so it's a fresh freshwater fishbone. It was probably found in a fresh freshwater fishbone zone.
(In-game plural: freshwater fishbones)
- Has an [assemble] link in inventory that takes you to Freshwater Fishbonery, where you can trade in fishbones for other items.
"7651" does not have an RSS file (yet?) for the collection database.