Possible female common darter - ID help please

Possible female common darter - ID help please

Observation - Possible female common darter - ID help please - UK and Ireland. Description: Not sure if this is a female common darter. I would be grateful of any corections or help. Observed in a field near to a ream on the Gwent Levels.

Not sure if this is a female common darter. I would be grateful of any corections or help. Observed in a field near to a ream on the Gwent Levels.