Is it possible within the “queues” to display different fields in Jira servicedesk
If you mean the information you see when viewing a queue, then no, it's a non-customisable form built into the service desk software. You'd have to amend the code to change it.
Sure, if you have the required access, you'll have an "Edit Queue" button in the upper right; clicking it allows you to modify the query and displayed fields.
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