Something

gman@rampage:~$ pkg contents -r -o fmri -t depend wireshark
FMRI
pkg:/diagnostic/wireshark/wireshark-common@1.4.8-0.175.0.0.0.0.525
pkg:/library/desktop/gtk2@2.20.1-0.173.0.0.0.0.0
pkg:/library/desktop/pango@1.28.3-0.173.0.0.0.0.0
pkg:/library/glib2@2.28.6-0.173.0.0.0.0.0
pkg:/library/zlib@1.2.3-0.173.0.0.0.0.487
pkg:/system/library/libpcap@1.1.1-0.173.0.0.0.0.487
pkg:/system/library/math@0.5.11-0.172.0.0.0.0.0
pkg:/system/library@0.5.11-0.173.0.0.0.0.17656