unknown small green fish

unknown small green fish

Observation - unknown small green fish - UK and Ireland. Description: Hi. We found this in our dinghy at St Justinian (St Davids, Pembrokeshire) last summer. Does anyone know what it is please? Thanks. Beth @ Venture Jet

Hi. We found this in our dinghy at St Justinian (St Davids, Pembrokeshire) last summer. Does anyone know what it is please? Thanks. Beth @ Venture Jet