Hiatella arctica . Shell and siphon heavily covered in almost continuous thick periostracum. Substantial byssus. Two sets of tentacles round each siphon opening. Two stranded stream of milt expelled as temperature rose during photography. Feb 2011.
Hiatella arctica . Shell and siphon heavily covered in almost continuous thick periostracum. Substantial byssus. Two sets of tentacles round each siphon opening. Two stranded stream of milt expelled as temperature rose during photography. Feb 2011.
Hiatella arctica . Shell and siphon heavily covered in almost continuous thick periostracum. Substantial byssus. Two sets of tentacles round each siphon opening. Two stranded stream of milt expelled as temperature rose during photography. Feb 2011.
