A new species of Prochristianella Dollfus, 1946 is described from the spiral intestine of the wedgenose skate, Dipturus whitleyi (Iredale) (Rajiformes: Rajidae), off the north-western coast of Tasmania (Australia). Prochristianella mattisi sp. n. is characterised by an acraspedote scolex, two oval bothria, elongate, bent bulbs, a retractor muscle inserting at the base of each bulb and the prese...

ABSTRACT Members of the order Trypanorhyncha are cestode parasites that frequently found infecting muscles several marine fish species, affecting health, and resulting in consumers’ rejection fish. Fifty-two specimens were freshly caught throughout year 2020 from boat landing sites at Alexandria coast along Mediterranean Sea Egypt, including grey trigger Balistes carolinensis (F: Balistidae); m...