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屋久島と種子島の魚類相調査

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屋久島と種子島の魚類相調査

著者

小枝 圭太, 吉田 朋弘, 田代 郷国, 本村 浩之

雑誌名

南太平洋海域調査研究報告=Occasional papers

56

ページ

41-44

別言語のタイトル

Ichthyofaunal Surveys in Yakushima and

Tanegashima Islands

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ᒇஂᓥ࡜✀Ꮚᓥࡢ㨶㢮┦ㄪᰝ

ᑠᯞᆂኴ࣭ྜྷ⏣᭸ᘯ࣭⏣௦㒓ᅜ࣭ᮏᮧᾈஅ

Ichthyofaunal Surveys in Yakushima and Tanegashima Islands

KOEDAKeita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki

㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋

Kagoshima University Museum

せ᪨ 2014 ᖺ 9 ᭶ 16 ᪥࠿ࡽ 22 ᪥࡟࠿ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥࠿ࡽ 28 ᪥࡟࠿ࡅ࡚ᒇஂᓥ࡟࠾ ࠸࡚₯Ỉࠊ㔮ࡾ࡟ࡼࡿᶆᮏ᥇㞟࡜ᕷሙ࡛ࡢᶆᮏ཰㞟ࢆేࡏࡓ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ ✀Ꮚᓥ࠿ࡽ192 ✀ 429 ಶయࠊᒇஂᓥ࠿ࡽ 54 ✀ 82 ಶయࡀ᥇㞟ࡉࢀࡓࠋࡇࡢ࠺ࡕࠊ✀Ꮚᓥ࠿ࡽ᥇㞟 ࡉࢀࡓ࣑࢘ࣄࢦ࢖ᒓࡢ1 ✀ࡣ᪥ᮏᮍグ㘓✀ࠊᒇஂᓥ࡛᥇㞟ࡉࢀࡓ࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ 1 ✀ࡣࠊ᪤▱ ࡢྠᒓ௚✀࡟ࡣྠᐃ࡛ࡁ࡞࠸ࡇ࡜࠿ࡽᮍグ㍕✀㸦᪂✀㸧࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ ࡣࡌࡵ࡟ 㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋ࡀ୺ᑟࡍࡿ㏆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࡞ᾏὶࡀᓥᕋࡈ࡜࡟ᅛ᭷ࡢ㨶㢮┦ࢆ ๰ࡾࡔࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗ࡚ࡁࡓࠋࡇࢀࡲ࡛ᾏỈ㨶࡟࠾ࡅࡿ⏕≀ᆅ⌮ቃ⏺⥺ࡣࠊ ῐỈ㨶ࡸከࡃࡢ㝣ୖ⏕≀࡜ྠᵝ࡟ࢺ࢝ࣛิᓥ࡟఩⨨ࡍࡿ࡜⪃࠼ࡽࢀ࡚࠸ࡓࡀࠊ᭱㏆ࡢ ㄪᰝࡢ⤖ᯝ࠿ࡽࠊྠቃ⏺⥺ࡣᒇஂᓥ࡜◲㯤ᓥ㸩➉ᓥ㸩✀Ꮚᓥࡢ㛫࡟఩⨨ࡍࡿྍ⬟ᛶࡀ 㧗࠸ࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸦ᮏᮧ 2013, 2014, 2015㸧ࠋ኱㝮ㅖᓥෆ࡟఩⨨ࡍࡿቃ⏺⥺ࡢ Ꮡᅾ࡜఩⨨ࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵ࡟ࠊ௒ᅇࡣᒇஂᓥ࡜✀Ꮚᓥ࡟࠾ࡅࡿ㨶㢮ࡢ㏣ຍㄪᰝࢆ ⾜ࡗࡓࠋ

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᪉ἲ 2014 ᖺ 9 ᭶ 16 ᪥࠿ࡽ 22 ᪥࡟࠿ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥࠿ࡽ 28 ᪥࡟࠿ࡅ࡚ ᒇஂᓥ࡟࠾࠸࡚ࡑࢀࡒࢀࡢᓥࡢ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋᒇஂᓥ࡛ࡣ₯Ỉㄪᰝࡢࡳࢆ⾜࠸ࠊ ✀Ꮚᓥ࡛㔮⋓ࡋࡓಶయࡸᕷሙ࡛㉎ධࡋࡓಶయࡶేࡏ࡚ᶆᮏ࡜ࡋࡓࠋ ✀Ꮚᓥ࡛ࡣࠊࡇࢀࡲ࡛࡟㨶㢮┦ࢆ㔜Ⅼⓗ࡟ㄪᰝࡋ࡚ࡁࡓᓥࡢ໭㒊ࡔࡅ࡛࡞ࡃࠊᓥࡢ ୰㒊㸦୰✀Ꮚ⏫∾ᕝ⁺ Ἀ30ƒމ1ࠊƒމ(㸧࡜༡㒊㸦༡✀Ꮚ⏫➉ᓮ⁺ Ἀ 30ƒމ1ࠊ ƒމ(㸧ࢆ᪂ࡓ࡞ㄪᰝᆅⅬ࡜ࡋ࡚㑅ᐃࡋࠊࡇࢀࡽࡢᆅⅬ࡟࠾࠸࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ ࡞ࡗࡓࠋࡇࢀࡣ␗࡞ࡿ⎔ቃ࡛᥇㞟ࡍࡿࡇ࡜࡛ࠊࡼࡾከᵝ࡞✀ࢆᚓࡿࡓࡵ࡛࠶ࡿࠋᕷሙ ㄪᰝ࡟࠾࠸࡚ࡶࠊ୰✀Ꮚ⏫ࡢ⇃㔝⁺ 㸦30ƒމ1ࠊƒމ(㸧ࡸ༡✀Ꮚ⏫ࡢᓥ㛫 㸦30ƒމ1ࠊ ƒމ(㸧࡞࡝୰༡㒊ࡢ⁺ ࡟✚ᴟⓗ࡟㊊ࢆ㐠ࡧࠊ㨶ࢆ཰㞟ࡋࡓࠋᒇஂᓥ࡛ࡣࠊᓥࡢ ໭す࡟఩⨨ࡍࡿ2 ࣧᡤࢆㄪᰝᆅⅬ࡜ࡋ࡚㑅ᐃࡋࠊࢫࢡ࣮ࣂ࡟ࡼࡗ࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ ࡞ࡗࡓࠋ ₯Ỉㄪᰝ࡟ࡼࡗ࡚ᚓࡓಶయࢆ࢚࢔࣮ࣞࢩ࡛ࣙࣥ⏕࠿ࡋࡓࡲࡲࠊᕷሙㄪᰝ࠾ࡼࡧ㔮ࡾ ࡟ࡼࡗ࡚ᚓࡓಶయࢆࢡ࣮࣮ࣛ࣎ࢵࢡࢫ࡛ị෭ࡋ࡚ᐟ࡟ᣢࡕᖐࡾࠊᶆᮏⓏ㘓ࠊ✀ྠᐃࠊ DNA ⏝➽⫗ษ∦ࡢ᥇ྲྀࠊᅛᐃ࡜࠸ࡗࡓసᴗ࡟ຍ࠼ࠊᒎ㫅࡜ᶆᮏ෗┿ࡢ᧜ᙳࢆ㐺ᐅ࠾ࡇ ࡞ࡗࡓࠋ࡞࠾ࠊ⌧ᆅ࡛ࡢᶆᮏฎ⌮ࡸ෗┿ࡢ᧜ᙳࡀ୙ྍ⬟࡞࡯࡝኱ᆺࡢಶయ࡟㛵ࡋ࡚ࡣࠊ ኱Ꮫ࡟ᦙ㏦ࡋࡓᚋ࡟ྠᵝࡢฎ⌮ࢆ࠾ࡇ࡞ࡗࡓࠋ ⤖ᯝ ✀Ꮚᓥࡢ୰㒊࠾ࡼࡧ༡㒊࡟࠾ࡅࡿ5 ᪥㛫ࡢ₯Ỉㄪᰝ࡟ࡼࡾ 97 ✀ 211 ಶయࡢᶆᮏࢆ ᥇㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡇࡢ࠺ࡕࠊࣇࢳࢻࣜࢱࢼࣂࢱ࢘࢜Acanthoplesiops psilogasterࠊ ࢝ࢡࣞࢸࣥࢪࢡࢲ࢖Apogonichthyoides timorensisࠊࢶ࣐ࢢࣟࣁࢱ࣏ࣥ Pempheris japonicaࠊ ࣍ࢯ࢘ࣂ࢘࢜Pherallodus indicusࠊ࢔ࣛ࢖ࢯࢥࢣࢠ࣏ࣥ Neoclinus okazakiiࠊ࢔࢜ࢧࣁࢠ

Brachaluteres ulvarumࠊ࢖ࢺࣄࢤࣔࢪࣕࣁࢮ Barbuligobius boehlkeiࠊࣜࣗ࢘࢟ࣗ࢘࢖ࢱ

ࢳ࢘࢜ Alionematichthys riukiuensisࠊࢶ࣐ࢪࣟࣔࣥ࢞ࣛ Sufflamen chrysopterum ࡞࡝ࠊ ࡇࢀࡲ࡛ᓥ໭㒊࡛ࡣ᥇㞟ࡉࢀ࡚ࡇ࡞࠿ࡗࡓ✀ࢆᩘከࡃᚓࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡲࡓࠊ」ᩘ ᅇ࠾ࡇ࡞ࡗࡓᓥ໭㒊࡟࠾ࡅࡿ₯Ỉㄪᰝ࡛ࡶࠊࡇࢀࡲ࡛࡟᥇㞟ࡉࢀ࡚࠸࡞࠿ࡗࡓ࣒ࣛࢧ ࣓ࣔࣥ࢞ࣛRhinecanthus aculeatus ࡸࢡࣛ࢝ࢣࣔࣥ࢞ࣛ Rhinecanthus verrucosus ࡜࠸ࡗ ࡓ✀ࡶᚓࡽࢀࡓࠋ

㔮ࡾ࡟ࡼࡿ᥇㞟࡛ࡣࠊ23 ✀ 65 ಶయࡀ᥇㞟ࡉࢀࠊࡇࡢ࠺ࡕࢢࣝࢡ࣐ Rastrelliger

kanagurta ࡣศᕸࡢ໭㝈ࢆ᭦᪂ࡍࡿᶆᮏ࡜࡞ࡗࡓࠋ

ᕷሙ࡟࠾ࡅࡿㄪᰝ࡛ࡣࠊ࢘ࢳ࣡ࢨ࣓Platyrhina sinensisࠊ࢜࢔࣒࢝ࣟ Decapterus tablࠊ ࣐ࢲࣛࣁࢼࢲ࢖ Holanthias borboniusࠊ࣍ࢩࢦࣥ࣋ Paracirrhites forsteriࠊࣄ࣓ࢲ࢖

Pristipomoides sieboldiiࠊ࢔࢜ࢲ࢖ Paracaesio caeruleaࠊ࢜ࢽࣄࣛ࢔ࢪ Caranx papuensis

࡞࡝ࠊࡇࢀࡲ࡛໭㒊ࡢすஅ⾲㨶㢮ᕷሙ࡛ࡣࡳࡽࢀ࡞࠿ࡗࡓ✀ࢆ཰㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋ



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࡞࠿࡛ࡶࠊ2 ಶయࡀᚓࡽࢀࡓ࣑࢘ࣄࢦ࢖ᒓࡢ 1 ✀ࡣࠊ᪥ᮏᮍグ㘓✀࡛࠶ࡿ࡜࡜ࡶ࡟ࠊ ศᕸࡢ໭㝈ࢆ᭦᪂ࡍࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋᮏ✀ࡣࠊࡇࢀࡲ࡛ࢫ࣐ࢺࣛᓥࠊࢫࣛ࢘ ࢙ࢩᓥࠊࣝࢯࣥᓥ࡛ࡣᶆᮏࡢ᥇㞟౛ࡀ࠶ࡿࡶࡢࡢࠊ࠸ࡎࢀࡶಶయᩘࡀᑡ࡞࠸ࠋࡼࡾ ༡᪉࡟఩⨨ࡍࡿ⌰⌫ิᓥࡢᓥᕋ⩌࠿ࡽグ㘓ࡢ࡞࠸ᮏ✀ࡀࠊ✀Ꮚᓥ࡟࠾࠸࡚᥇㞟ࡉࢀࡓ ࡇ࡜ࡣࠊᮏㄪᰝ࡟࠾ࡅࡿ≉➹ࡍ࡭ࡁ⤖ᯝ࡛࠶ࡿ࡜࠸࠼ࡿࠋ ᒇஂᓥ࡛ࡣ3 ᪥㛫ࡢࢫࢡ࣮ࣂࢆ⏝࠸ࡓ᥇㞟࡟ࡼࡾ 54 ✀ 82 ಶయࡢᶆᮏࢆᚓࡿࡇ࡜ࡀ ฟ᮶ࡓࠋࡇࢀࡲ࡛MOTOMURAet al.㸦2010㸧ࡣᶆᮏ࡜Ỉ୰෗┿࡟ᇶ࡙ࡁ 958 ✀ࢆሗ࿌ࡋࠊ

ࡑࡢᚋMOTOMURA and AIZAWA2011㸧࡞࡝ࠊ」ᩘࡢሗ࿌ࡀ┦ḟࡂࠊ⌧ᅾࡲ࡛࡟ᒇஂᓥ

࠿ࡽ࠾ࡼࡑ 1,000 ✀ࡢ㨶㢮ࡢศᕸࡀ☜ㄆࡉࢀ࡚࠸ࡿࠋ௒ᅇࡢㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡢ ࠺ࡕࠊ࢔ࢦ࢔࣐ࢲ࢖⛉࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ1 ✀㸦ᅗ 1㸧ࡣࠊ⫼㫅 11 Ჲ 14 ㌾᮲ࠊ⮌㫅 214 ㌾᮲ࠊ⦪ิ㫣 63㹼68 ᯛࠊ⬚㫅 18㹼19 ㌾᮲ࠊ㢌㒊⫼㠃ࡢ࡯ࡰ඲ᇦ࡟ᚤᑠ࡞Ꮝჾิ ࡀከᩘᩓᅾࡋ࡚࠸ࡿࡇ࡜ࠊ࠾ࡼࡧయഃࡀ㯤Ⰽ࠿ࡽ〓Ⰽ࡛యഃ୰ኸ࡟ኴ࠸㯮Ⰽᖏࡀධࡿ ࡇ࡜࡞࡝ࡢ≉ᚩࡢ⤌ࡳྜࢃࡏࡀࠊ᪤▱✀࡜␗࡞ࡿࡇ࡜࠿ࡽᮍグ㍕✀࡛࠶ࡿྍ⬟ᛶࡀ 㧗࠸ࠋྠ✀࡜ᛮࢃࢀࡿᶆᮏࡀ✀Ꮚᓥᾆ⏣Ἀ࠿ࡽࡶ᥇㞟ࡉࢀ࡚࠾ࡾ⌧ᅾ◊✲ࡀ㐍ࡵࡽࢀ ࡚࠸ࡿࠋ ᅗ1 ᒇஂᓥ࠿ࡽ᥇㞟ࡉࢀࡓ࢔ࢦ࢔࣐ࢲ࢖⛉࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ 1 ✀

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ࢸࣥࢪࢡࢲ࢖⛉ࡢ࢘ࢫࢪ࣐࢖ࢩࣔࢳ Ostorhinchus angustatus ࡜࣑ࣖࢸࣥࢪࢡࢲ࢖

Apogon semiornatusࠊ࣋ࣛ⛉ࡢࢶ࢟ࣀ࣡࢖ࢺࣄ࢟࣋ࣛ Cirrhilabrus lunatus ࡜࢜ࣁࢢࣟ࣋

ࣛᒓࡢ1 ✀ Pteragogus enneacanthus ࡣࠊࡇࢀࡲ࡛Ỉ୰෗┿ࡢࡳグ㘓ࡉࢀ࡚࠾ࡾᶆᮏ࡟ ᇶ࡙ࡃึグ㘓࡜࡞ࡗࡓࠋࣚ࢘ࢪ࢘࢜⛉ࣄ࣓ࢺࢤ࣑࢘ࣖࢵࢥHalicampus spinirostris ࡣࠊ ᯇ἟ࡽ㸦2013㸧࡟ࡼࡗ࡚ึࡵ࡚᪥ᮏ࠿ࡽグ㘓ࡉࢀࡓ⛥✀࡛࠶ࡿࠋ᪥ᮏ࠿ࡽࡣࠊࡇࢀࡲ ࡛࡟៞␃ၥᓥ࡜୚ㄽᓥ࠿ࡽࡑࢀࡒࢀ1 ಶయࡎࡘᮍᡂ㨶ࡀ᥇㞟ࡉࢀ࡚࠸ࡿࡢࡳ࡛࠶ࡾࠊ ᒇஂᓥ⏘ࡢᶆᮏࡣᮏ✀ࡢ໭㝈グ㘓࡛࠶ࡿ࡜࡜ࡶ࡟ 3 ౛┠ࡢグ㘓࡜࡞ࡗࡓࠋࡉࡽ࡟ࠊ ᮏㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡣࠊᶆ‽య㛗119.6 mm ࡜ࡇࢀࡲ࡛ࡢ 2 ౛࡜ẚ㍑ࡋ࡚኱ࡁࡃࠊ 㢌㒊ࡢᲲࡀࡼࡃⓎ㐩ࡋ࡚࠸ࡿࡇ࡜࠿ࡽᡂ㨶࡛࠶ࡿ࡜ุ᩿࡛ࡁࡓࠋࢸࣥࢪࢡࢲ࢖⛉ࢡࢲ ࣜ࣎࢘ࢬࢠࢫࣔࢻ࢟ Pseudamiops gracilicauda ࡣࠊࡇࢀࡲ࡛዆⨾኱ᓥ௨༡࠿ࡽᶆᮏࡀ ᚓࡽࢀ࡚࠸ࡓࡀࠊᮏㄪᰝ࡛ᚓࡽࢀࡓ1 ಶయ࡟ࡼࡗ࡚ࠊᚑ᮶ࡢሗ࿌ࡼࡾ໭㝈ࢆ᭦᪂ࡍࡿ ࡇ࡜࡜࡞ࡗࡓࠋ ௨ୖࡢࡼ࠺࡟ࠊ✀Ꮚᓥࠊᒇஂᓥ࡛ࡢ₯Ỉసᴗࢆక࠺ᶆᮏ᥇㞟࡟ࡼࡾࠊࡇࢀࡲ࡛୧ᓥ ࡛᥇㞟ࡉࢀ࡚ࡇ࡞࠿ࡗࡓ㨶✀ࡀᩘከࡃ᥇㞟ࡉࢀࡓࡇ࡜࡟ຍ࠼ࠊᮍグ㍕✀ࡸ᪥ᮏᮍグ㘓 ࡢ✀ࢆ᥇㞟ࡍࡿࡇ࡜ࡀฟ᮶ࡓࠋ ᘬ⏝ᩥ⊩ ᯇ἟⍞ᶞ࣭℩⬟ ᏹ࣭ᮏᮧᾈஅ 2013㸬⌰⌫ิᓥ࠿ࡽᚓࡽࢀࡓ᪥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ᝆஂࡢ᫬ࢆ้ࡴᒇஂᓥ㸬᭶หࢲ࢖ࣂ࣮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 ࢚ࢥࣟࢪ࣮ㅮᗙ8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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