All Stories

  1. New records of the squat lobster genus Munidopsis Whiteaves, 1874 (Crustacea, Decapoda, Munidopsidae) from the deep sea off Taiwan

    Article • ZooKeys, June 2023, Pensoft Publishers

    Masayuki Osawa

  2. Two new species of the genus Galathea Fabricius, 1793 (Crustacea: Decapoda: Anomura: Galatheidae) from the Andaman Sea, India

    Article • Zootaxa, December 2022, Magnolia Press

    Masayuki Osawa

  3. A new species of the genus Eutrichopagurus Komai, 2015 (Crustacea: Decapoda: Anomura: Paguridae) from a submarine cave in the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, December 2022, Magnolia Press

    Masayuki Osawa

  4. Squat lobsters of the genera Raymunida Macpherson & Machordom, 2000 and Munidopsis Whiteaves, 1874 (Decapoda: Anomura: Galatheoidea) from the Indian Exclusive Economic Zone, with descriptions of three new species

    Article • Journal of Natural History, November 2022, Taylor & Francis

    Masayuki Osawa

  5. A new infaunal species of the genus Enosteoides Johnson, 1970 (Crustacea: Decapoda: Anomura: Porcellanidae) from Okinawa, southwestern Japan

    Article • Zootaxa, September 2022, Magnolia Press

    Masayuki Osawa

  6. A new species of the ghost shrimp genus Callianassa Leach, 1814 (Decapoda: Axiidea: Callianassidae) from Wakasa Bay, western Japan: the first representative of the genus from the Pacific region

    Article • Zootaxa, September 2022, Magnolia Press

    Masayuki Osawa

  7. Chirostyloid and galatheoid anomurans (Crustacea: Decapoda) from Indian waters, with descriptions of three new species

    Article • Journal of the Marine Biological Association of the United Kingdom, September 2022, Cambridge University Press

    Masayuki Osawa

  8. An annotated checklist of anomuran species (Crustacea: Decapoda) of India

    Article • Zootaxa, June 2022, Magnolia Press

    Masayuki Osawa

  9. A distinctive new species of the genus Polyonyx Stimpson, 1858 (Crustacea: Decapoda: Anomura: Porcellanidae) from Okinawa, southwestern Japan

    Article • Zootaxa, January 2022, Magnolia Press

    Masayuki Osawa

  10. New Records of Species of Gebiidea and Anomura (Crustacea: Decapoda) from the Sea of Japan

    Article • Species Diversity, October 2020, Japanese Society of Systematic Zoology

    Masayuki Osawa

  11. First record of Polyonyx loimicola Sankolli, 1965 (Crustacea, Decapoda, Anomura, Porcellanidae) from the Red Sea, Egypt

    Article • Marine Biodiversity Records, August 2019, Springer Science + Business Media

    Masayuki Osawa

  12. First record of Propagurus haigae (McLaughlin, 1997) (Decapoda, Anomura, Paguridae) from Japan

    Article • Crustaceana, April 2019, Brill

    Masayuki Osawa

  13. Submarine cave hermit crabs (Crustacea: Decapoda: Anomura: Paguroidea) from three islands of the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, February 2019, Magnolia Press

    Masayuki Osawa

  14. Two large squat lobsters of the superfamily Chirostyloidea (Crustacea: Decapoda: Anomura) from the Ryukyu Islands, southwestern Japan, with description of a new species of the genus Eumunida Smith, 1883

    Article • Zootaxa, February 2019, Magnolia Press

    Masayuki Osawa

  15. A new species of the Polyonyx sinensis group (Crustacea: Decapoda: Anomura: Porcellanidae) from the Central Philippines

    Article • Zootaxa, September 2018, Magnolia Press

    Masayuki Osawa

  16. A new species of the genus Raphidopus Stimpson, 1858 (Crustacea: Decapoda: Anomura: Porcellanidae) from Peninsular Malaysia, with additional records of R. johnsoni Ng & Nakasone, 1994 from Southeast Asia, and a key to species in the genus

    Article • Zootaxa, June 2018, Magnolia Press

    Masayuki Osawa

  17. New records of species of the Polyonyx sinensis group (Crustacea: Decapoda: Anomura: Porcellanidae) from Japan, the Philippines, Singapore, and Malaysia, with descriptions of two new species

    Article • Zootaxa, June 2018, Magnolia Press

    Masayuki Osawa

  18. A new species of the genus Ancylocheles Haig, 1978 (Crustacea: Decapoda: Anomura: Porcellanidae) from Gujarat, northwestern India

    Article • Zootaxa, July 2017, Magnolia Press

    Masayuki Osawa

  19. A new species of the genus Diogenes Dana, 1851 (Crustacea: Decapoda: Anomura: Diogenidae) from Gujarat, northwestern India

    Article • Zootaxa, December 2016, Magnolia Press

    Masayuki Osawa

  20. Rediscovery of Chirostylus dolichopus Ortmann, 1892 (Crustacea: Decapoda: Anomura: Chirostylidae) from its type locality, Boso Peninsula, Japan, with description of the colouration in life

    Article • Marine Biodiversity Records, June 2016, Springer Science + Business Media

    Masayuki Osawa

  21. Enosteoides Johnson, 1970 (Crustacea: Decapoda: Anomura: Porcellanidae) from the Central Philippines, with description of a new species of the genus

    Article • Nauplius, January 2016, FapUNIFESP (SciELO)

    Masayuki Osawa

  22. A new strikingly-colored species of the genus Galathea Fabricius, 1793 (Crustacea: Decapoda: Anomura: Galatheidae) from the Ryukyu Islands, Japan

    Article • Zootaxa, November 2015, Magnolia Press

    Masayuki Osawa

  23. Two squat lobster species (Crustacea: Decapoda: Anomura) from the Persian Gulf, with description of a new species of Raymunida Macpherson & Machordom, 2000

    Article • Zootaxa, September 2014, Magnolia Press

    Masayuki Osawa

  24. The Present Status and Problems of Threatened Benthic Animals in the Tidal Flats of Japan

    Article • Japanese journal of benthology, January 2014, The Japanese Association of Benthology

    Masayuki Osawa

  25. A new subtidal species of the genus <i>Petrolisthes</i> Stimpson, 1858 (Crustacea: Decapoda: Porcellanidae) from Okinawa, with an account of species of the genus known from the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, June 2013, Magnolia Press

    Masayuki Osawa

  26. New records of <i>Pagurixus</i> Melin, 1939 (Crustacea: Decapoda: Paguridae) from the Ryukyu Islands, southwestern Japan, with description of a new species

    Article • Zootaxa, June 2013, Magnolia Press

    Masayuki Osawa

  27. First record of the porcellanid crab, Polyonyx boucheti (Crustacea: Decapoda: Anomura) from the Indian Ocean

    Article • Marine Biodiversity Records, January 2013, Cambridge University Press

    Masayuki Osawa

  28. Identity of Pagurus watasei (Crustacea: Decapoda: Anomura: Paguroidea)

    Article • Species Diversity, January 2013, Japanese Society of Systematic Zoology

    Masayuki Osawa

  29. The Magnitude of Global Marine Species Diversity

    Article • Current Biology, December 2012, Elsevier

    Dr Mark John Costello, Dr. Peter Uetz, Masayuki Osawa, Professor Billie J. Swalla

  30. A new genus and new species of pagurid hermit crab (Crustacea: Decapoda: Anomura: Paguroidea) from a submarine cave in Kume Island, Ryukyu Islands

    Article • Zootaxa, July 2012, Magnolia Press

    Masayuki Osawa

  31. A new species of the genus Pagurus Fabricius, 1775 (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, July 2012, Magnolia Press

    Masayuki Osawa

  32. Hermit crabs (Crustacea: Decapoda: Diogenidae) from the KUMEJIMA 2009 Expedition, Japan

    Article • Zootaxa, July 2012, Magnolia Press

    Masayuki Osawa

  33. Raymunida Macpherson & Machordom, 2000 (Crustacea: Decapoda: Anomura: Munididae) from the KUMEJIMA 2009 Expedition in the Ryukyu Islands, Japan

    Article • Zootaxa, July 2012, Magnolia Press

    Masayuki Osawa

  34. A new species of Galathea Fabricius, 1793 (Crustacea: Decapoda: Anomura: Galatheidae) from Okinawa, southern Japan

    Article • Zootaxa, April 2012, Magnolia Press

    Masayuki Osawa

  35. A New Genus and Two New Species of Peltogastridae (Crustacea: Cirripedia: Rhizocephala) Parasitizing Hermit Crabs from Okinawa Island (Ryukyu Archipelago, Japan), and their DNA-barcodes

    Article • ZOOLOGICAL SCIENCE, November 2011, Zoological Society of Japan

    Masayuki Osawa

  36. DNA barcoding of hermit crabs of genus Clibanarius Dana, 1852 (Anomura: Diogenidae) in the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, March 2010, Magnolia Press

    Masayuki Osawa

  37. Petrolisthes polychaetus n. sp., a new species of Porcellanidae (Decapoda, Anomura) from Hainan Island, China

    Article • Crustaceana, January 2010, Brill

    Masayuki Osawa

  38. Additional records of hermit crabs (Crustacea: Decapoda: Anomura: Paguroidea) from Taiwan

    Article • Proceedings of the Biological Society of Washington, October 2009, The Biological Society of Washington

    Masayuki Osawa

  39. A new hermit crab species of the genus Catapagurus (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu Islands, southern Japan

    Article • Zootaxa, August 2009, Magnolia Press

    Masayuki Osawa

  40. First Record from Japan of a Poorly Known Porcellanid Crab, Lissoporcellana miyakei (Crustacea: Decapoda: Anomura)

    Article • Species Diversity, January 2009, Japanese Society of Systematic Zoology

    Masayuki Osawa

  41. Two Estuarine hermit Crab Species of the Genus Clibanarius (Crustacea: Decapoda: Diogenidae) from the Ryukyu Islands, Southern Japan

    Article • Species Diversity, January 2009, Japanese Society of Systematic Zoology

    Masayuki Osawa

  42. Two new species of Turleania McLaughlin, 1997 (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu Islands, southwestern Japan, and a redescription of T. balli (McLaughlin & Haig, 1996)

    Article • Zootaxa, April 2008, Magnolia Press

    Masayuki Osawa

  43. A new hermit crab species of the Pagurixus anceps group (Crustacea: Decapoda: Anomura: Paguridae) from southern Japan, and supplemental notes on P. patiae Komai, 2006

    Article • Zootaxa, October 2007, Magnolia Press

    Masayuki Osawa

  44. Porcellanidae (Crustacea: Decapoda: Anomura) from New Caledonia and  the Loyalty Islands

    Article • Zootaxa, August 2007, Magnolia Press

    Masayuki Osawa

  45. A new Munidopsis (Crustacea: Decapoda: Galatheidae) associated with gorgonian corals from the deep waters off Taiwan

    Article • Proceedings of the Biological Society of Washington, August 2007, The Biological Society of Washington

    Masayuki Osawa

  46. A new species of Chirostylus Ortmann, 1892 (Crustacea: Decapoda: Anomura: Chirostylidae) from the Ryukyu Islands, southwestern Japan, with a  supplemental description of Chirostylus ortmanni Miyake & Baba, 1968

    Article • Zootaxa, April 2007, Magnolia Press

    Masayuki Osawa

  47. A new species of Polyonyx Stimpson, 1858 (Crustacea: Decapoda: Anomura:  Porcellanidae) from the Philippines and Loyalty Islands

    Article • Zootaxa, April 2007, Magnolia Press

    Masayuki Osawa

  48. A New Species of the Genus Pylopaguropsis (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu Islands, Southwestern Japan, with Notes on Two Poorly Known Pagurids

    Article • Species Diversity, January 2007, Japanese Society of Systematic Zoology

    Masayuki Osawa

  49. New records of Porcellanidae (Decapoda, Anomura) from Taiwan

    Article • Crustaceana, January 2007, Brill

    Masayuki Osawa

  50. Sand Crabs of the Genus Albunea (Crustacea: Decapoda: Anomura: Albuneidae) from the Ryukyu Islands, Southwestern Japan, with the Description of a New Species

    Article • Species Diversity, January 2007, Japanese Society of Systematic Zoology

    Masayuki Osawa

  51. A new species of Munidopsis (Crustacea: Decapoda: Galatheidae) from deep waters off Taiwan

    Article • Proceedings of the Biological Society of Washington, July 2006, The Biological Society of Washington

    Masayuki Osawa

  52. A review of the Pagurixus boninensis species group, with descriptions of six new species (Crustacea: Decapoda: Anomura: Paguridae)

    Article • Zootaxa, May 2006, Magnolia Press

    Masayuki Osawa

  53. Two new species of Pagurixus (Crustacea: Decapoda: Anomura: Paguridae) from submarine caves of the Ryukyu Islands, southwestern Japan

    Article • Zootaxa, March 2006, Magnolia Press

    Masayuki Osawa

  54. Munidopsis (Decapoda: Anomura: Galatheidae) from the Abyssal Depths of Taiwan, with Description of One New Species

    Article • Journal of Crustacean Biology, January 2006, Oxford University Press (OUP)

    Masayuki Osawa

  55. A new species of Lissoporcellana (Crustacea: Decapoda: Anomura: Porcellanidae) from Okinawa, southwestern Japan

    Article • Zootaxa, August 2005, Magnolia Press

    Masayuki Osawa

  56. Complete larval development of the rare porcellanid crab,Novorostrum decorocrusOsawa, 1998 (Crustacea: Decapoda: Anomura: Porcellanidae), reared under laboratory conditions

    Article • Journal of Natural History, March 2005, Taylor & Francis

    Masayuki Osawa

  57. A new species of Trichopagurus de Saint Laurent (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu and Yap Islands, and redescription of T. trichophthalmus (Forest)

    Article • Zootaxa, January 2005, Magnolia Press

    Masayuki Osawa

  58. The Identity of Raymunida elegantissima (Crustacea: Decapoda: Anomura: Galatheidae) and Description of a Closely Related New Species from Japan

    Article • Species Diversity, January 2005, Japanese Society of Systematic Zoology

    Masayuki Osawa

  59. A New Hermit Crab Species of Pylopaguropsis (Crustacea: Decapoda: Anomura: Paguridae) from the Western Pacific, and Supplemental Note on P. laevispinosa McLaughlin and Haig

    Article • ZOOLOGICAL SCIENCE, January 2004, Zoological Society of Japan

    Masayuki Osawa

  60. A new shallow-water species of the genus Galathea (Decapoda: Anomura: Galatheidae) from the Ryukyu and Izu Islands, Japan

    Article • Crustacean Research, January 2004, Carcinological Society of Japan

    Masayuki Osawa

  61. Discovery of the Type Specimen of Lysiosquilla crassispinosa Fukuda, 1909(Crustacea: Stomatopoda)and Some Fukuda's Stomatopod Specimens

    Article • Benthos research, January 2004, The Japanese Association of Benthology

    Masayuki Osawa

  62. Zoeal Development of Two Spot-Pattern Morphs of Neopetrolisthes maculatus, and of N. spinatus (Crustacea : Decapoda : Anomura : Porcellanidae), Reared under Laboratory Conditions

    Article • Species Diversity, January 2003, Japanese Society of Systematic Zoology

    Masayuki Osawa

  63. COMPLETE LARVAL DEVELOPMENT OF PETROLISTHES UNILOBATUS REARED UNDER LABORATORY CONDITIONS (DECAPODA: ANOMURA: PORCELLANIDAE)

    Article • Journal of Crustacean Biology, August 2002, Crustacean Society

    Masayuki Osawa

  64. Hermit crabs (Crustacea: Decapoda: Anomura: Paguroidea) from submarine caves in the Ryukyu Islands, south-western Japan

    Article • Journal of Natural History, May 2002, Taylor & Francis

    Masayuki Osawa

  65. A new distinctive species of pagurid hermit crab (Crustacea: Decapoda: Anomura) from Japan

    Article • ZOOLOGICAL SCIENCE, December 2001, Zoological Society of Japan

    Masayuki Osawa

  66. Heteropolyonyx Biforma New Genus and Species, from Japan, and Redescription of Polyonyx Utinomii (Decapoda: Porcellanidae)

    Article • Journal of Crustacean Biology, January 2001, Oxford University Press (OUP)

    Masayuki Osawa

  67. Zoeal Development of Novorostrum indicum (Crustacea : Decapoda : Porcellanidae) Reared under Laboratory Conditions

    Article • Species Diversity, January 2000, Japanese Society of Systematic Zoology

    Masayuki Osawa

  68. Two Rare Species of Petrolisthes (Decapoda: Anomura: Porcellanidae) from the Ryukyu Islands, with the Description of a New Species of the Genus

    Article • Journal of Crustacean Biology, August 1998, Oxford University Press (OUP)

    Masayuki Osawa

  69. Novorostrum, New Genus (Decapoda: Anomura: Porcellanidae), with Descriptions of Three Related Species

    Article • Journal of Crustacean Biology, February 1998, Oxford University Press (OUP)

    Masayuki Osawa

  70. Zoeal Development of Four Indo-West Pacific Species of Petrolisthes (Crustacea : Decapoda : Anomura : Porcellanidae)

    Article • Species Diversity, January 1997, Japanese Society of Systematic Zoology

    Masayuki Osawa

  71. Two New Species of the Genus Petrolisthes (Decapoda: Anomura: Porcellanidae) from the Indo-West Pacific

    Article • Journal of Crustacean Biology, August 1996, Oxford University Press (OUP)

    Masayuki Osawa

  72. Additional Note On Tsunogaipagurus Chuni (Balss, 1911) (Decapoda, Anomura, Parapaguridae)

    Article • Crustaceana, January 1996, Brill

    Masayuki Osawa

  73. Larval development of four Petrolisthes species (Decapoda: Anomura: Porcellanidae) under laboratory conditions, with comments on the larvae of the genus

    Article • Crustacean Research, January 1995, Carcinological Society of Japan

    Masayuki Osawa