Table 1. Data of the nine harbour porpoises with fatal pharyngeal entrapment retrieved from the German North Sea island of Sylt in 2016.

Stranding date, sex, age, nutritional and decomposition status as well as location of the flatfish in the upper digestive/respiratory tract.

Case	Strandingdate	Sex	Age (years)	Nutritional status	Decomposition status	Localisation of the flatfish
1	16∕04∕07	femalea	7–8	good	fresh	flatfish in the pharynx, head in the internal nares
2	16∕05∕05	male	9–10	moderate	good	flatfish in the pharynx, head in the internal nares; two more are located in the cranial oesophagus
3	16∕05∕05	female	3	–	advanced	flatfish in the pharynx, head in the internal nares
4	16∕05∕15	male	11–12	–	advanced	flatfish in the trachea down to the bifurcation
5	16∕05∕16	femalea	5–6	–	advanced	flatfish in the pharynx, partly in the internal nares
6	16∕05∕17	male	5–6	moderate	moderate	flatfish in the pharynx, head in the internal nares
7	16∕05∕18	male	6–7	good	moderate	flatfish in the pharynx, head in the internal nares and tail in the larynx
8	16∕05∕21	female	3	good	moderate	flatfish in the pharynx , head in the internal nares
9	16∕07∕07	female	8	moderate	good	flatfish body is flapped in the mouth, head and tail a few centimetres cranial to the larynx

Notes.

^apregnant.