41 南太平洋海域調査研究報告 No.56（2015年3月） OCCASIONAL PAPERS No.56（March 2015） ᒇஂᓥ✀Ꮚᓥࡢ㨶㢮┦ㄪᰝ ᑠᯞᆂኴ࣭ྜྷ⏣᭸ᘯ࣭⏣௦㒓ᅜ࣭ᮏᮧᾈஅ Ichthyofaunal Surveys in Yakushima and Tanegashima Islands KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki 㮵ඣᓥᏛ⥲ྜ◊✲༤≀㤋 Kagoshima University Museum せ᪨ 2014 ᖺ 9 ᭶ 16 ᪥ࡽ 22 ᪥ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥ࡽ 28 ᪥ࡅ࡚ᒇஂᓥ࠾ ࠸࡚₯Ỉࠊ㔮ࡾࡼࡿᶆᮏ᥇㞟ᕷሙ࡛ࡢᶆᮏ㞟ࢆేࡏࡓ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ ✀Ꮚᓥࡽ 192 ✀ 429 ಶయࠊᒇஂᓥࡽ 54 ✀ 82 ಶయࡀ᥇㞟ࡉࢀࡓࠋࡇࡢ࠺ࡕࠊ✀Ꮚᓥࡽ᥇㞟 ࡉࢀࡓ࣑࢘ࣄࢦᒓࡢ 1 ✀ࡣ᪥ᮏᮍグ㘓✀ࠊᒇஂᓥ࡛᥇㞟ࡉࢀࡓࢦ࣐ࢲᒓࡢ 1 ✀ࡣࠊ᪤▱ ࡢྠᒓ✀ࡣྠᐃ࡛ࡁ࡞࠸ࡇࡽᮍグ㍕✀㸦᪂✀㸧࡛࠶ࡿ⪃࠼ࡽࢀࡿࠋ ࡣࡌࡵ 㮵ඣᓥᏛ⥲ྜ◊✲༤≀㤋ࡀᑟࡍࡿ㏆ᖺࡢ⌰⌫ิᓥ࠾ࡅࡿ㨶㢮Ꮫ⾡ㄪᰝ ࡼࡗ࡚ࠊྠ࿘㎶ᾏᇦࡢ㨶㢮ከᵝᛶ㨶㢮┦ࡢ≉ᚩࡀゎ᫂ࡉࢀࡘࡘ࠶ࡿࠋ༡㛗࠸ ⌰⌫ิᓥ࡛ࡣᙉ࡞㯮₻ࡑࢀࢆྲྀࡾᕳࡃ」㞧࡞ᾏὶࡀᓥᕋࡈᅛ᭷ࡢ㨶㢮┦ࢆ ࡾࡔࡋ࡚࠸ࡿࡇࡀศࡗ࡚ࡁࡓࠋࡇࢀࡲ࡛ᾏỈ㨶࠾ࡅࡿ⏕≀ᆅ⌮ቃ⏺⥺ࡣࠊ ῐỈ㨶ࡸከࡃࡢ㝣ୖ⏕≀ྠᵝࢺ࢝ࣛิᓥ⨨ࡍࡿ⪃࠼ࡽࢀ࡚࠸ࡓࡀࠊ᭱㏆ࡢ ㄪᰝࡢ⤖ᯝࡽࠊྠቃ⏺⥺ࡣᒇஂᓥ◲㯤ᓥ㸩➉ᓥ㸩✀Ꮚᓥࡢ㛫⨨ࡍࡿྍ⬟ᛶࡀ 㧗࠸ࡇࡀ᫂ࡽ࡞ࡗࡓ㸦ᮏᮧ 2013, 2014, 2015㸧 ࠋ㝮ㅖᓥෆ⨨ࡍࡿቃ⏺⥺ࡢ Ꮡᅾ⨨ࢆ᫂ࡽࡍࡿࡓࡵࠊᅇࡣᒇஂᓥ✀Ꮚᓥ࠾ࡅࡿ㨶㢮ࡢ㏣ຍㄪᰝࢆ ⾜ࡗࡓࠋ 42 KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki ᪉ἲ 2014 ᖺ 9 ᭶ 16 ᪥ࡽ 22 ᪥ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥ࡽ 28 ᪥ࡅ࡚ ᒇஂᓥ࠾࠸࡚ࡑࢀࡒࢀࡢᓥࡢ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋ ᒇஂᓥ࡛ࡣ₯Ỉㄪᰝࡢࡳࢆ⾜࠸ࠊ ✀Ꮚᓥ࡛㔮⋓ࡋࡓಶయࡸᕷሙ࡛㉎ධࡋࡓಶయࡶేࡏ࡚ᶆᮏࡋࡓࠋ ✀Ꮚᓥ࡛ࡣࠊࡇࢀࡲ࡛㨶㢮┦ࢆ㔜Ⅼⓗㄪᰝࡋ࡚ࡁࡓᓥࡢ㒊ࡔࡅ࡛࡞ࡃࠊᓥࡢ ୰㒊㸦୰✀Ꮚ⏫∾ᕝ⁺ Ἀ 30މ1ࠊ(މ㸧༡㒊㸦༡✀Ꮚ⏫➉ᓮ⁺ Ἀ 30މ1ࠊ (މ㸧ࢆ᪂ࡓ࡞ㄪᰝᆅⅬࡋ࡚㑅ᐃࡋࠊࡇࢀࡽࡢᆅⅬ࠾࠸࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ ࡞ࡗࡓࠋࡇࢀࡣ␗࡞ࡿ⎔ቃ࡛᥇㞟ࡍࡿࡇ࡛ࠊࡼࡾከᵝ࡞✀ࢆᚓࡿࡓࡵ࡛࠶ࡿࠋᕷሙ ㄪᰝ࠾࠸࡚ࡶࠊ୰✀Ꮚ⏫ࡢ⇃㔝⁺ 㸦30މ1ࠊ(މ㸧ࡸ༡✀Ꮚ⏫ࡢᓥ㛫 㸦30މ1ࠊ (މ㸧࡞୰༡㒊ࡢ⁺ ✚ᴟⓗ㊊ࢆ㐠ࡧࠊ㨶ࢆ㞟ࡋࡓࠋᒇஂᓥ࡛ࡣࠊᓥࡢ す⨨ࡍࡿ 2 ࣧᡤࢆㄪᰝᆅⅬࡋ࡚㑅ᐃࡋࠊࢫࢡ࣮ࣂࡼࡗ࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ ࡞ࡗࡓࠋ ₯Ỉㄪᰝࡼࡗ࡚ᚓࡓಶయࢆ࢚࣮ࣞࢩ࡛ࣙࣥ⏕ࡋࡓࡲࡲࠊᕷሙㄪᰝ࠾ࡼࡧ㔮ࡾ ࡼࡗ࡚ᚓࡓಶయࢆࢡ࣮࣮ࣛ࣎ࢵࢡࢫ࡛ị෭ࡋ࡚ᐟᣢࡕᖐࡾࠊᶆᮏⓏ㘓ࠊ✀ྠᐃࠊ DNA ⏝➽⫗ษ∦ࡢ᥇ྲྀࠊᅛᐃ࠸ࡗࡓసᴗຍ࠼ࠊᒎ㫅ᶆᮏ┿ࡢᙳࢆ㐺ᐅ࠾ࡇ ࡞ࡗࡓࠋ ࡞࠾ࠊ ⌧ᆅ࡛ࡢᶆᮏฎ⌮ࡸ┿ࡢᙳࡀྍ⬟࡞ᆺࡢಶయ㛵ࡋ࡚ࡣࠊ Ꮫᦙ㏦ࡋࡓᚋྠᵝࡢฎ⌮ࢆ࠾ࡇ࡞ࡗࡓࠋ ⤖ᯝ ✀Ꮚᓥࡢ୰㒊࠾ࡼࡧ༡㒊࠾ࡅࡿ 5 ᪥㛫ࡢ₯Ỉㄪᰝࡼࡾ 97 ✀ 211 ಶయࡢᶆᮏࢆ ᥇㞟ࡍࡿࡇࡀ࡛ࡁࡓࠋࡇࡢ࠺ࡕࠊࣇࢳࢻࣜࢱࢼࣂࢱ࢘࢜ Acanthoplesiops psilogasterࠊ ࢝ࢡࣞࢸࣥࢪࢡࢲ Apogonichthyoides timorensisࠊ ࢶ࣐ࢢࣟࣁࢱ࣏ࣥ Pempheris japonicaࠊ ࣍ࢯ࢘ࣂ࢘࢜ Pherallodus indicusࠊࣛࢯࢥࢣࢠ࣏ࣥ Neoclinus okazakiiࠊ࢜ࢧࣁࢠ Brachaluteres ulvarumࠊࢺࣄࢤࣔࢪࣕࣁࢮ Barbuligobius boehlkeiࠊࣜࣗ࢘࢟ࣗ࢘ࢱ ࢳ࢘࢜ Alionematichthys riukiuensisࠊࢶ࣐ࢪࣟࣔࣥ࢞ࣛ Sufflamen chrysopterum ࡞ࠊ ࡇࢀࡲ࡛ᓥ㒊࡛ࡣ᥇㞟ࡉࢀ࡚ࡇ࡞ࡗࡓ✀ࢆᩘከࡃᚓࡿࡇࡀ࡛ࡁࡓࠋࡲࡓࠊ」ᩘ ᅇ࠾ࡇ࡞ࡗࡓᓥ㒊࠾ࡅࡿ₯Ỉㄪᰝ࡛ࡶࠊࡇࢀࡲ࡛᥇㞟ࡉࢀ࡚࠸࡞ࡗࡓ࣒ࣛࢧ ࣓ࣔࣥ࢞ࣛ Rhinecanthus aculeatus ࡸࢡࣛ࢝ࢣࣔࣥ࢞ࣛ Rhinecanthus verrucosus ࠸ࡗ ࡓ✀ࡶᚓࡽࢀࡓࠋ 㔮ࡾࡼࡿ᥇㞟࡛ࡣࠊ23 ✀ 65 ಶయࡀ᥇㞟ࡉࢀࠊࡇࡢ࠺ࡕࢢࣝࢡ࣐ Rastrelliger kanagurta ࡣศᕸࡢ㝈ࢆ᭦᪂ࡍࡿᶆᮏ࡞ࡗࡓࠋ ᕷሙ࠾ࡅࡿㄪᰝ࡛ࡣࠊ࢘ࢳ࣡ࢨ࣓ Platyrhina sinensisࠊ࣒࢜࢝ࣟ Decapterus tablࠊ ࣐ࢲࣛࣁࢼࢲ Holanthias borboniusࠊ࣍ࢩࢦࣥ࣋ Paracirrhites forsteriࠊࣄ࣓ࢲ Pristipomoides sieboldiiࠊ࢜ࢲ Paracaesio caeruleaࠊ࢜ࢽࣄࣛࢪ Caranx papuensis ࡞ࠊ ࡇࢀࡲ࡛㒊ࡢすஅ⾲㨶㢮ᕷሙ࡛ࡣࡳࡽࢀ࡞ࡗࡓ✀ࢆ㞟ࡍࡿࡇࡀ࡛ࡁࡓࠋ 43 Ichthyofaunal Surveys in Yakushima and Tanegashima Islands ࡞࡛ࡶࠊ2 ಶయࡀᚓࡽࢀࡓ࣑࢘ࣄࢦᒓࡢ 1 ✀ࡣࠊ᪥ᮏᮍグ㘓✀࡛࠶ࡿࡶࠊ ศᕸࡢ㝈ࢆ᭦᪂ࡍࡿࡇࡀ᫂ࡽ࡞ࡗࡓࠋᮏ✀ࡣࠊࡇࢀࡲ࡛ࢫ࣐ࢺࣛᓥࠊࢫࣛ࢘ ࢙ࢩᓥࠊࣝࢯࣥᓥ࡛ࡣᶆᮏࡢ᥇㞟ࡀ࠶ࡿࡶࡢࡢࠊ࠸ࡎࢀࡶಶయᩘࡀᑡ࡞࠸ࠋࡼࡾ ༡᪉⨨ࡍࡿ⌰⌫ิᓥࡢᓥᕋ⩌ࡽグ㘓ࡢ࡞࠸ᮏ✀ࡀࠊ✀Ꮚᓥ࠾࠸࡚᥇㞟ࡉࢀࡓ ࡇࡣࠊᮏㄪᰝ࠾ࡅࡿ≉➹ࡍࡁ⤖ᯝ࡛࠶ࡿ࠸࠼ࡿࠋ ᒇஂᓥ࡛ࡣ 3 ᪥㛫ࡢࢫࢡ࣮ࣂࢆ⏝࠸ࡓ᥇㞟ࡼࡾ 54 ✀ 82 ಶయࡢᶆᮏࢆᚓࡿࡇࡀ ฟ᮶ࡓࠋࡇࢀࡲ࡛ MOTOMURA et al.㸦2010㸧ࡣᶆᮏỈ୰┿ᇶ࡙ࡁ 958 ✀ࢆሗ࿌ࡋࠊ ࡑࡢᚋ MOTOMURA and AIZAWA㸦2011㸧࡞ࠊ」ᩘࡢሗ࿌ࡀ┦ḟࡂࠊ⌧ᅾࡲ࡛ᒇஂᓥ ࡽ࠾ࡼࡑ 1,000 ✀ࡢ㨶㢮ࡢศᕸࡀ☜ㄆࡉࢀ࡚࠸ࡿࠋᅇࡢㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡢ ࠺ࡕࠊࢦ࣐ࢲ⛉ࢦ࣐ࢲᒓࡢ 1 ✀㸦ᅗ 1㸧ࡣࠊ⫼㫅 11 Ჲ 14 ㌾᮲ࠊ⮌㫅 2 Ჲ 14 ㌾᮲ࠊ⦪ิ㫣 63㹼68 ᯛࠊ⬚㫅 18㹼19 ㌾᮲ࠊ㢌㒊⫼㠃ࡢࡰᇦᚤᑠ࡞Ꮝჾิ ࡀከᩘᩓᅾࡋ࡚࠸ࡿࡇࠊ࠾ࡼࡧయഃࡀ㯤Ⰽࡽ〓Ⰽ࡛యഃ୰ኸኴ࠸㯮Ⰽᖏࡀධࡿ ࡇ࡞ࡢ≉ᚩࡢ⤌ࡳྜࢃࡏࡀࠊ᪤▱✀␗࡞ࡿࡇࡽᮍグ㍕✀࡛࠶ࡿྍ⬟ᛶࡀ 㧗࠸ࠋྠ✀ᛮࢃࢀࡿᶆᮏࡀ✀Ꮚᓥᾆ⏣Ἀࡽࡶ᥇㞟ࡉࢀ࡚࠾ࡾ⌧ᅾ◊✲ࡀ㐍ࡵࡽࢀ ࡚࠸ࡿࠋ ᅗ 1 ᒇஂᓥࡽ᥇㞟ࡉࢀࡓࢦ࣐ࢲ⛉ࢦ࣐ࢲᒓࡢ 1 ✀ 44 KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki ࢸࣥࢪࢡࢲ⛉ࡢ࢘ࢫࢪ࣐ࢩࣔࢳ Ostorhinchus angustatus ࣑ࣖࢸࣥࢪࢡࢲ Apogon semiornatusࠊ࣋ࣛ⛉ࡢࢶ࢟ࣀ࣡ࢺࣄ࢟࣋ࣛ Cirrhilabrus lunatus ࢜ࣁࢢࣟ࣋ ࣛᒓࡢ 1 ✀ Pteragogus enneacanthus ࡣࠊࡇࢀࡲ࡛Ỉ୰┿ࡢࡳグ㘓ࡉࢀ࡚࠾ࡾᶆᮏ ᇶ࡙ࡃึグ㘓࡞ࡗࡓࠋࣚ࢘ࢪ࢘࢜⛉ࣄ࣓ࢺࢤ࣑࢘ࣖࢵࢥ Halicampus spinirostris ࡣࠊ ᯇࡽ㸦2013㸧ࡼࡗ࡚ึࡵ࡚᪥ᮏࡽグ㘓ࡉࢀࡓ⛥✀࡛࠶ࡿࠋ᪥ᮏࡽࡣࠊࡇࢀࡲ ࡛␃ၥᓥㄽᓥࡽࡑࢀࡒࢀ 1 ಶయࡎࡘᮍᡂ㨶ࡀ᥇㞟ࡉࢀ࡚࠸ࡿࡢࡳ࡛࠶ࡾࠊ ᒇஂᓥ⏘ࡢᶆᮏࡣᮏ✀ࡢ㝈グ㘓࡛࠶ࡿࡶ 3 ┠ࡢグ㘓࡞ࡗࡓࠋࡉࡽࠊ ᮏㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡣࠊ ᶆ‽య㛗 119.6 mm ࡇࢀࡲ࡛ࡢ 2 ẚ㍑ࡋ࡚ࡁࡃࠊ 㢌㒊ࡢᲲࡀࡼࡃⓎ㐩ࡋ࡚࠸ࡿࡇࡽᡂ㨶࡛࠶ࡿุ᩿࡛ࡁࡓࠋࢸࣥࢪࢡࢲ⛉ࢡࢲ ࣜ࣎࢘ࢬࢠࢫࣔࢻ࢟ Pseudamiops gracilicauda ࡣࠊࡇࢀࡲ࡛⨾ᓥ௨༡ࡽᶆᮏࡀ ᚓࡽࢀ࡚࠸ࡓࡀࠊᮏㄪᰝ࡛ᚓࡽࢀࡓ 1 ಶయࡼࡗ࡚ࠊᚑ᮶ࡢሗ࿌ࡼࡾ㝈ࢆ᭦᪂ࡍࡿ ࡇ࡞ࡗࡓࠋ ௨ୖࡢࡼ࠺ࠊ✀Ꮚᓥࠊᒇஂᓥ࡛ࡢ₯Ỉసᴗࢆక࠺ᶆᮏ᥇㞟ࡼࡾࠊࡇࢀࡲ࡛୧ᓥ ࡛᥇㞟ࡉࢀ࡚ࡇ࡞ࡗࡓ㨶✀ࡀᩘከࡃ᥇㞟ࡉࢀࡓࡇຍ࠼ࠊᮍグ㍕✀ࡸ᪥ᮏᮍグ㘓 ࡢ✀ࢆ᥇㞟ࡍࡿࡇࡀฟ᮶ࡓࠋ ᘬ⏝ᩥ⊩ ᯇ⍞ᶞ࣭℩⬟ ᏹ࣭ᮏᮧᾈஅ 2013㸬⌰⌫ิᓥࡽᚓࡽࢀࡓ᪥ᮏึグ㘓ࡢࣚ࢘ࢪ࢘ ࢜⛉ࣄ࣓ࢺࢤ࣑࢘ࣖࢵࢥ㸦᪂⛠㸧Halicampus spinirostris㸬㨶㢮Ꮫ㞧ㄅ㸪60㸸157-161㸬 ᮏᮧᾈஅ 2013㸬ᒇஂᓥࡢ㨶㢮┦ࡢㅦ㸬ᝆஂࡢࢆ้ࡴᒇஂᓥ㸬᭶หࢲࣂ࣮㸪391㸸 128-134㸬 ᮏᮧᾈஅ 2014㸬㮵ඣᓥࡢ㨶㢮㸬ࡈࡋࡲ᥈ゼ➨ 19 ᅇ㸬㮵ࢪ࣮ࣕࢼࣝ㸪195㸸19㸬 ᮏᮧᾈஅ 2015㸬⌰⌫ิᓥࡢ㨶㢮ከᵝᛶ㸬༡すㅖᓥࡢ㨶㢮ከᵝᛶ㸪ࡑࡢᡂ❧ಖ㸬 ࢚ࢥࣟࢪ࣮ㅮᗙ 8㸦᪥ᮏ⏕ែᏛ⦅㸧 㸪༡᪉᪂♫㸪㮵ඣᓥ㸦༳ๅ୰㸧 㸬 MOTOMURA, H. and AIZAWA, M. 2011. Illustrated List of Additions to the Ichthyofauna of Yaku-Shima Island, Kagoshima Prefecture, Southern Japan: 50 New Records from the Island. Check List, 7: 448-457. MOTOMURA, H., KURIIWA, K., KATAYAMA, E., SENOU, H., OGIHARA, G., MEGURO, M., MATSUNUMA, M., TAKATA, Y., YOSHIDA, T., YAMASHITA, M., KIMURA, S., ENDO, H., MURASE, A., IWATSUKI, Y., SAKURAI, Y., HARAZAKI, S., HIDAKA, K., IZUMI, H. and MATSUURA, K. 2010. Annotated Checklist of Marine and Estuarine Fishes of Yaku-Shima Island, Kagoshima, Southern Japan. In: Fishes of Yaku-Shima Island – A World Heritage Island in the Osumi Group, Kagoshima Prefecture, Southern Japan (Eds. MOTOMURA, H. and MATSUURA, K.), 65-248, National Museum of Nature and Science, Tokyo.
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