1. New species and records of Anacanthorus (Monogenoidea: Dactylogyridae) from the gills of Brycon amazonicus (Characiformes: Bryconidae) in the Peruvian Amazon

   • Germán Augusto Murrieta Morey
   • Luis Garcia Sol Sol
   • Jose Carlos Zumaeta Cachique

   OriginalPaper 08 March 2021 Pages: 85 - 97

   

2. Otobothrium muscatense n. sp. (Trypanorhyncha: Otobothriidae) from Rhabdosargus sarba (Forsskål) (Sparidae), with new locality records of larval trypanorhynchs off the Sultanate of Oman

   • Mohammad Haseli
   • Sarah H. Al-Jufaili
   • Harry W. Palm

   OriginalPaper 07 March 2021 Pages: 99 - 109

   

3. A new Bradophila Marchenkov, 2002 (Copepoda, Cyclopoida, Bradophilidae) parasitic on a flabelligerid polychaete from the Chukchi Sea

   • Eduardo Suárez-Morales
   • Sergio I. Salazar-Vallejo
   • Leslie H. Harris

   OriginalPaper 08 March 2021 Pages: 111 - 117

   

4. Henneguya michiganensis n. sp. (Cnidaria: Myxosporea) from the gills of muskellunge Esox masquinongy Mitchill(Esociformes: Esocidae)

   • Thomas G. Rosser
   • Thomas P. Loch
   • Matt J. Griffin

   OriginalPaper 09 March 2021 Pages: 119 - 130

   

5. New species of Ergasilus von Nordmann, 1832 (Copepoda: Ergasilidae) from the gills of freshwater fishes in Patagonia, Argentina

   • María Agustina Waicheim
   • Taísa Mendes Marques
   • Gustavo Viozzi

   OriginalPaper 09 March 2021 Pages: 131 - 139

   

6. Placobdelloides tridens sp. n., a new species of glossiphoniid leech (Hirudinea: Rhynchobdellida) found feeding on captive Orlitia borneensis in Thailand, and an update to the host distribution of P. siamensis

   • Krittiya Chiangkul
   • Poramad Trivalairat
   • Watchariya Purivirojkul

   OriginalPaper 05 March 2021 Pages: 141 - 154

   

7. Two new species and a new record of Bopyrinae (Isopoda: Bopyridae) infesting Alpheidae and Hippolytidae, with comments on the genus Bopyrina Kossmann, 1881

   • Jianmei An
   • Qianqian Xi
   • Gustav Paulay

   OriginalPaper 08 March 2021 Pages: 155 - 165

   

8. Philometra longa n. sp. (Nematoda: Philometridae), a new parasite from the abdominal cavity of the eastern sea garfish Hyporhamphus australis (Hemiramphidae, Beloniformes) off Australia

   • František Moravec
   • Diane P. Barton
   • Shokoofeh Shamsi

   OriginalPaper 08 March 2021 Pages: 167 - 175

   

9. Lamellodiscus (Monogenea: Diplectanidae) species parasitic on Japanese Acanthopagrus Peters, with proposals of L. chin n. sp. infecting A. sivicolus Akazaki and L. egusai nom. nov. for L. japonicus Ogawa & Egusa, 1978, a junior homonym of L. japonicus Pillai & Pillai, 1974

   • Masato Nitta

   OriginalPaper 07 March 2021 Pages: 177 - 188