Lung Mei Talk 03 Simfish
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Transcript of Lung Mei Talk 03 Simfish
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龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的魚魚魚魚魚魚魚魚
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
龍尾的
魚魚魚魚魚魚魚魚
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調查範圍調查範圍調查範圍調查範圍
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東邊的箱渠至西邊蘆慈河約200米灘岸
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水漲水漲水漲水漲水漲水漲水漲水漲(滿潮線滿潮線滿潮線滿潮線)
水退水退水退水退(乾潮線乾潮線乾潮線乾潮線)
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水退時露出的潮間帶水退時露出的潮間帶水退時露出的潮間帶水退時露出的潮間帶
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方法方法方法方法: 陸上觀察陸上觀察陸上觀察陸上觀察各大小潮池各大小潮池各大小潮池各大小潮池、、、、河口河口河口河口、、、、及沿岸淺水地帶及沿岸淺水地帶及沿岸淺水地帶及沿岸淺水地帶
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龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄龍尾魚魚點將錄
![Page 12: Lung Mei Talk 03 Simfish](https://reader031.fdocuments.net/reader031/viewer/2022020322/568c365c1a28ab023597c004/html5/thumbnails/12.jpg)
鰕虎科鰕虎科鰕虎科鰕虎科
魚類中大家族魚類中大家族魚類中大家族魚類中大家族
龍尾紀錄了龍尾紀錄了龍尾紀錄了龍尾紀錄了12種鰕虎魚種鰕虎魚種鰕虎魚種鰕虎魚
大部分屬底棲性大部分屬底棲性大部分屬底棲性大部分屬底棲性
腹鰭多特化為吸盤狀構造腹鰭多特化為吸盤狀構造腹鰭多特化為吸盤狀構造腹鰭多特化為吸盤狀構造
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彈塗魚彈塗魚彈塗魚彈塗魚Periophthalmus modestus
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棲息於河口水域棲息於河口水域棲息於河口水域棲息於河口水域、、、、沼澤及泥灘沼澤及泥灘沼澤及泥灘沼澤及泥灘在泥下建造洞穴居住在泥下建造洞穴居住在泥下建造洞穴居住在泥下建造洞穴居住
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適應半水半陸的潮間帶環境適應半水半陸的潮間帶環境適應半水半陸的潮間帶環境適應半水半陸的潮間帶環境
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常見於龍尾常見於龍尾常見於龍尾常見於龍尾兩旁的淡水出口兩旁的淡水出口兩旁的淡水出口兩旁的淡水出口
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繁殖期雄魚繁殖期雄魚繁殖期雄魚繁殖期雄魚
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泥灘舞者泥灘舞者泥灘舞者泥灘舞者
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雙帶縞鰕虎魚雙帶縞鰕虎魚雙帶縞鰕虎魚雙帶縞鰕虎魚Tridentiger bifasciatus
在香港在香港在香港在香港 一直被誤認為一直被誤認為一直被誤認為一直被誤認為紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚
T. trigonocephalus
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活躍時活躍時活躍時活躍時
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不活躍時不活躍時不活躍時不活躍時
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紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚Tridentiger trigonocephalus
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兩縞鰕虎魚極為相似
體色有同樣變化
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雙帶縞鰕虎魚雙帶縞鰕虎魚雙帶縞鰕虎魚雙帶縞鰕虎魚
棲較淡水域
B:淺 u型開义
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紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚紋縞鰕虎魚
棲較鹹水域棲較鹹水域棲較鹹水域棲較鹹水域
A: 深深深深vvvv型開义型開义型開义型開义
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龍尾生態調查龍尾生態調查龍尾生態調查龍尾生態調查為雙帶縞鰕虎魚為雙帶縞鰕虎魚為雙帶縞鰕虎魚為雙帶縞鰕虎魚尋回真正身份尋回真正身份尋回真正身份尋回真正身份
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小頭絲鰕虎魚小頭絲鰕虎魚小頭絲鰕虎魚小頭絲鰕虎魚Cryptocentrus leptocephalus
香港罕見香港罕見香港罕見香港罕見
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棲息於沿岸礁石區之沙泥底棲息於沿岸礁石區之沙泥底棲息於沿岸礁石區之沙泥底棲息於沿岸礁石區之沙泥底
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喜與槍蝦共生喜與槍蝦共生喜與槍蝦共生喜與槍蝦共生:shrimp goby
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竿鰕虎魚竿鰕虎魚竿鰕虎魚竿鰕虎魚Luciogobius guttatus
少見少見少見少見
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棲息於潮池與河口偶然地被發現於純淡水在低潮的時棲地乾涸在低潮的時棲地乾涸牠會在石頭下面藏身等待漲潮來臨
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乳突鰕虎魚乳突鰕虎魚乳突鰕虎魚乳突鰕虎魚Favonigobius reichei
IUCN 近危近危近危近危
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具仿照泥沙的保護色具仿照泥沙的保護色具仿照泥沙的保護色具仿照泥沙的保護色
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據環評報告據環評報告據環評報告據環評報告龍尾錄得的乳突鰕虎魚平均數目最高龍尾錄得的乳突鰕虎魚平均數目最高龍尾錄得的乳突鰕虎魚平均數目最高龍尾錄得的乳突鰕虎魚平均數目最高是第二位榕樹澳的是第二位榕樹澳的是第二位榕樹澳的是第二位榕樹澳的2倍倍倍倍是第三位荔枝莊的是第三位荔枝莊的是第三位荔枝莊的是第三位荔枝莊的4倍倍倍倍
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雙斑舌鰕虎魚雙斑舌鰕虎魚雙斑舌鰕虎魚雙斑舌鰕虎魚Psammogobius biocellatus
IUCN 近危近危近危近危 / 罕見罕見罕見罕見
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非產卵性溯降河 棲地於河口附近
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不隨便游動不隨便游動不隨便游動不隨便游動 : sleepy goby
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鳚科鳚科鳚科鳚科
底棲性魚類嘴部向下
倒游方式躲入小洞穴中倒游方式躲入小洞穴中倒游方式躲入小洞穴中倒游方式躲入小洞穴中僅露出頭部注視敵人僅露出頭部注視敵人僅露出頭部注視敵人僅露出頭部注視敵人
具有領域性嘴部向下
具門齒或犬齒
龍尾紀錄了龍尾紀錄了龍尾紀錄了龍尾紀錄了3種種種種鳚鳚鳚鳚
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斑頭肩鰓魚尉斑頭肩鰓魚尉斑頭肩鰓魚尉斑頭肩鰓魚尉Omobranchus fasciolatoceps
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主要棲息於河口附近的海水區
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水退時藏於礫石中
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短頭跳岩鳚短頭跳岩鳚短頭跳岩鳚短頭跳岩鳚Petroscirtes breviceps
((((咬手仔咬手仔咬手仔咬手仔))))
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具防備用的犬齒具防備用的犬齒具防備用的犬齒具防備用的犬齒
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喜棲息於
雙貝類空殼中
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鮋科鮋科鮋科鮋科
頭大口大胸鰭大
各鰭硬棘基部有毒腺各鰭硬棘基部有毒腺
同科魚包括石頭魚、獅子魚
龍尾紀錄了龍尾紀錄了龍尾紀錄了龍尾紀錄了1種種種種
喜棲息於岩礁底層之間
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褐菖鮋褐菖鮋褐菖鮋褐菖鮋Sebastiscus marmoratus
(石狗公石狗公石狗公石狗公)
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獵食方色:守株待兔
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頭部通常有脊與棘
真裸皮鮋科真裸皮鮋科真裸皮鮋科真裸皮鮋科
頭部通常有脊與棘通常具主鰓蓋骨棘
有毒
龍尾紀錄了1種
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紅鰭擬鱗鮋紅鰭擬鱗鮋紅鰭擬鱗鮋紅鰭擬鱗鮋Paracentropogon rubripinnis
(老虎魚老虎魚老虎魚老虎魚)
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多在淺水石礁棲息多在淺水石礁棲息多在淺水石礁棲息多在淺水石礁棲息以伏擊方式捕獵小魚及甲殼類以伏擊方式捕獵小魚及甲殼類以伏擊方式捕獵小魚及甲殼類以伏擊方式捕獵小魚及甲殼類鰭棘有毒鰭棘有毒鰭棘有毒鰭棘有毒
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四齒魨科四齒魨科四齒魨科四齒魨科
體粗短體粗短體粗短體粗短亞圓筒型亞圓筒型亞圓筒型亞圓筒型具天然神經性劇毒具天然神經性劇毒具天然神經性劇毒具天然神經性劇毒::::河魨毒河魨毒河魨毒河魨毒遇險時會吞入大量海水或空氣遇險時會吞入大量海水或空氣遇險時會吞入大量海水或空氣遇險時會吞入大量海水或空氣
令身體鼓脹如球令身體鼓脹如球令身體鼓脹如球令身體鼓脹如球
俗稱雞泡俗稱雞泡俗稱雞泡俗稱雞泡 龍尾龍尾龍尾龍尾:3種種種種
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鉛點多紀魨鉛點多紀魨鉛點多紀魨鉛點多紀魨Takifugu alboplumbeus
(黃雞泡黃雞泡黃雞泡黃雞泡)
Hong Kong pufferfish
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肝臟及生殖線具劇毒
小腸、皮膚亦具毒
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弓斑多紀魨弓斑多紀魨弓斑多紀魨弓斑多紀魨
Takifugu ocellatus
罕見罕見罕見罕見
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神經質難接近會鑽砂
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體粗短體粗短體粗短體粗短,,,,骨質盾板構成堅硬外殼骨質盾板構成堅硬外殼骨質盾板構成堅硬外殼骨質盾板構成堅硬外殼僅口部僅口部僅口部僅口部、、、、肛門肛門肛門肛門、、、、眼眼眼眼、、、、鰓裂鰓裂鰓裂鰓裂、、、、各鰭及尾柄能活動各鰭及尾柄能活動各鰭及尾柄能活動各鰭及尾柄能活動
箱魨科箱魨科箱魨科箱魨科
皮膚可分泌箱魨毒皮膚可分泌箱魨毒皮膚可分泌箱魨毒皮膚可分泌箱魨毒龍尾龍尾龍尾龍尾:1種種種種
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角箱魨角箱魨角箱魨角箱魨Lactoria cornuta
(牛角牛角牛角牛角)
罕見罕見罕見罕見
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頭頂具一對長棘頭頂具一對長棘頭頂具一對長棘頭頂具一對長棘 猶如牛角猶如牛角猶如牛角猶如牛角嘴部向下嘴部向下嘴部向下嘴部向下 吹開沙碎捕食底棲小生物吹開沙碎捕食底棲小生物吹開沙碎捕食底棲小生物吹開沙碎捕食底棲小生物
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體橢圓形或卵圓形體橢圓形或卵圓形體橢圓形或卵圓形體橢圓形或卵圓形 極側扁極側扁極側扁極側扁兩眼皆在體之右側兩眼皆在體之右側兩眼皆在體之右側兩眼皆在體之右側 偶有逆轉型偶有逆轉型偶有逆轉型偶有逆轉型
口小口小口小口小 不對稱不對稱不對稱不對稱棲息於砂地或泥地棲息於砂地或泥地棲息於砂地或泥地棲息於砂地或泥地
鰨科鰨科鰨科鰨科
棲息於砂地或泥地棲息於砂地或泥地棲息於砂地或泥地棲息於砂地或泥地俗稱鰨沙俗稱鰨沙俗稱鰨沙俗稱鰨沙
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星點圓鱗鰨星點圓鱗鰨星點圓鱗鰨星點圓鱗鰨Liachirus melanospilos
棲息泥沙底質海域及河口棲息泥沙底質海域及河口棲息泥沙底質海域及河口棲息泥沙底質海域及河口
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隨成長隨成長隨成長隨成長雙眼向右側移雙眼向右側移雙眼向右側移雙眼向右側移向上稱眼側向上稱眼側向上稱眼側向上稱眼側 向下稱盲側向下稱盲側向下稱盲側向下稱盲側
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豹鰨豹鰨豹鰨豹鰨Pardachirus pavoninus
香港新紀錄香港新紀錄香港新紀錄香港新紀錄
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棲息沿岸珊瑚礁區或砂泥底質水域棲息沿岸珊瑚礁區或砂泥底質水域棲息沿岸珊瑚礁區或砂泥底質水域棲息沿岸珊瑚礁區或砂泥底質水域
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龍尾多次發現幼魚龍尾多次發現幼魚龍尾多次發現幼魚龍尾多次發現幼魚
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鯊魚的剋星鯊魚的剋星鯊魚的剋星鯊魚的剋星共約有共約有共約有共約有240個毒腺個毒腺個毒腺個毒腺
分佈在背鰭和臀鰭基部分佈在背鰭和臀鰭基部分佈在背鰭和臀鰭基部分佈在背鰭和臀鰭基部
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鼠鼠鼠鼠魚魚魚魚銜科銜科銜科銜科
體延長體延長體延長體延長寬而平扁寬而平扁寬而平扁寬而平扁口小而吻尖口小而吻尖口小而吻尖口小而吻尖主要為砂地或泥地上生活主要為砂地或泥地上生活主要為砂地或泥地上生活主要為砂地或泥地上生活平時使用腹鰭游走於砂地上平時使用腹鰭游走於砂地上平時使用腹鰭游走於砂地上平時使用腹鰭游走於砂地上
龍尾龍尾龍尾龍尾: 3種種種種龍尾龍尾龍尾龍尾: 3種種種種
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指腳魚銜指腳魚銜指腳魚銜指腳魚銜Dactylopus dactylopus
(指腳沙鰍指腳沙鰍指腳沙鰍指腳沙鰍)
罕見罕見罕見罕見
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腹鰭鰭棘與首鰭條合成特化為腹鰭鰭棘與首鰭條合成特化為腹鰭鰭棘與首鰭條合成特化為腹鰭鰭棘與首鰭條合成特化為『『『『指腳指腳指腳指腳』』』』
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棲息環境棲息環境棲息環境棲息環境:砂泥底砂泥底砂泥底砂泥底、、、、河口河口河口河口、、、、沿岸及深水域沿岸及深水域沿岸及深水域沿岸及深水域
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鳶魟科鳶魟科鳶魟科鳶魟科
體盤縱扁特寬體盤縱扁特寬體盤縱扁特寬體盤縱扁特寬胸鰭向前延伸至吻端胸鰭向前延伸至吻端胸鰭向前延伸至吻端胸鰭向前延伸至吻端尾棘一枚或數枚尾棘一枚或數枚尾棘一枚或數枚尾棘一枚或數枚
棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域棲息沙泥混合水域
龍尾龍尾龍尾龍尾:1種種種種
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日本燕魟日本燕魟日本燕魟日本燕魟Gymnura japonica
(鯆魚鯆魚鯆魚鯆魚)
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潛沙潛沙潛沙潛沙、、、、靜止不動時靜止不動時靜止不動時靜止不動時保護色極具隱身功能保護色極具隱身功能保護色極具隱身功能保護色極具隱身功能
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以底棲動物為食以底棲動物為食以底棲動物為食以底棲動物為食如蝦如蝦如蝦如蝦、、、、蟹蟹蟹蟹、、、、軟體動物軟體動物軟體動物軟體動物、、、、魚類及魚類及魚類及魚類及蠕虫等蠕虫等蠕虫等蠕虫等
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口鼻周圍有洛侖茲壺腹口鼻周圍有洛侖茲壺腹口鼻周圍有洛侖茲壺腹口鼻周圍有洛侖茲壺腹(ampullae of lorenzini)的感電器的感電器的感電器的感電器
用以偵察附近獵物發出的生物電脈衝用以偵察附近獵物發出的生物電脈衝用以偵察附近獵物發出的生物電脈衝用以偵察附近獵物發出的生物電脈衝
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眼後一雙鰓孔眼後一雙鰓孔眼後一雙鰓孔眼後一雙鰓孔 可在背面呼吸可在背面呼吸可在背面呼吸可在背面呼吸
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尾背具連毒腺小棘尾背具連毒腺小棘尾背具連毒腺小棘尾背具連毒腺小棘
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泳姿優美泳姿優美泳姿優美泳姿優美如如如如飛舞中飛舞中飛舞中飛舞中的的的的蝴蝶蝴蝶蝴蝶蝴蝶Butterfly Ray
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海龍科海龍科海龍科海龍科
全體被皮狀骨板全體被皮狀骨板全體被皮狀骨板全體被皮狀骨板頭細長頭細長頭細長頭細長常具突出的管狀吻常具突出的管狀吻常具突出的管狀吻常具突出的管狀吻口小口小口小口小
雄魚腹部具孵化囊雄魚腹部具孵化囊雄魚腹部具孵化囊雄魚腹部具孵化囊棲息於沿海礁區棲息於沿海礁區棲息於沿海礁區棲息於沿海礁區、、、、潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域棲息於沿海礁區棲息於沿海礁區棲息於沿海礁區棲息於沿海礁區、、、、潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域潟湖及沼澤等藻類叢生的水域
龍尾龍尾龍尾龍尾:3種種種種
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藍點藍點藍點藍點多環海龍多環海龍多環海龍多環海龍Hippichthys cyanospilus
罕見罕見罕見罕見
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防衛防衛防衛防衛方式方式方式方式:披披披披皮皮皮皮狀狀狀狀骨板骨板骨板骨板
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防衛防衛防衛防衛方式方式方式方式:枯枝擬枯枝擬枯枝擬枯枝擬態態態態
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擬擬擬擬態態態態 vs 保護色保護色保護色保護色
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突出管狀吻突出管狀吻突出管狀吻突出管狀吻 口小口小口小口小以微小甲殼類以微小甲殼類以微小甲殼類以微小甲殼類、、、、浮游生物為主食浮游生物為主食浮游生物為主食浮游生物為主食
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黃黃黃黃色的海龍色的海龍色的海龍色的海龍
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藍點多環海龍體色有個別差異藍點多環海龍體色有個別差異藍點多環海龍體色有個別差異藍點多環海龍體色有個別差異由不同的淺黃色至深黑色不等由不同的淺黃色至深黑色不等由不同的淺黃色至深黑色不等由不同的淺黃色至深黑色不等
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海馬海馬海馬海馬Hippocampus sp.
IUCN 易危易危易危易危/ CITES II
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可隨環境可隨環境可隨環境可隨環境變變變變色色色色作作作作隱隱隱隱藏藏藏藏或或或或擬擬擬擬態態態態
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其他魚魚其他魚魚其他魚魚其他魚魚未能盡錄未能盡錄未能盡錄未能盡錄
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講者: SimFishAll photos were taken at Lung Mei
龍尾的魚魚龍尾的魚魚龍尾的魚魚龍尾的魚魚
All photos were taken at Lung Mei
by SimFish and members of Hong Kong Wildlife Forum
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