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斯氏沙蟹


斯氏沙蟹
Photo Information
Copyright: stone wang (kinglove) Gold Star Critiquer/Gold Note Writer [C: 783 W: 0 N: 623] (11338)
Genre: Animals
Medium: Color
Date Taken: 2013-06-15
Categories: Insects
Exposure: f/4.5, 1/250 seconds
More Photo Info: [view]
Photo Version: Original Version
Theme(s): Camouflage [view contributor(s)]
Date Submitted: 2013-07-01 0:43
Viewed: 2294
Points: 22
[Note Guidelines] Photographer's Note
斯氏沙蟹

學名:Ocypode stimpsoni
幼身體的保護色
命名者:Ortmann, 1897
中文名: 斯氏沙蟹
科名: 沙蟹科
棲息環境: Ocypodidae
棲息潮位: 中高潮帶
俗名: 痕掌沙蟹、沙馬仔、幽靈蟹、屎蟹
最大體長: 雌(4 ) 雄(5 ) 公分
主要分佈:挖仔尾、其他地區零星分佈
洞口密度:6/平方公尺 (夏季)
洞口特性:洞口約1.5~3公分有放射狀噴沙
型態特徵: 頭胸甲呈方形,額窄,眼窩大而深,胃區和心域有細溝,易區分。兩螯腳大小不對稱,大螯掌節內側有一列橫向的發聲隆脊。

特徵、習性:身體呈墨綠色,帶黃色花紋,背甲略方形,身體呈圓凸。眼睛異常的大,非常美麗。八腳細長,善奔跑、掘沙,八隻腳都有剛毛。以拾沙中的有機物、或其他蟹類、藻類為食。蟹體總長 3~6cm ,背甲長 1.2~2.5cm 。洞口圓略扁,有扇形泥糞。洞深 25~40cm。洞型前段垂直地面,後段傾斜。

特殊習性:穴居於潮間帶附近,較喜土質比例較多的灘地,尤其在腐屍旁常有大量本種的洞穴 不論公母蟹,一側螯大,一側螯小。

觀察重點:覓食特性、幼蟹的特性,跑步動作

資料取自網路

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Critiques [Translate]

  • Great 
  • PeterZ Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 5137 W: 166 N: 13121] (49139)
  • [2013-07-01 3:19]

Hello Stone,
Remarkable photo of this crab in amazing camouflaged colours in fine sharp details. Even the eyes are camouflaged.
Regards,
Peter

Hello Stone,
Wow! what a nice camouflage captured with its natural colours and great sharpness.
Best regards,
Joy

Ciao Stone, fantastic camouflage for a lovely spider, wonderful natural colors, splendid light and excellent clarity, very well done, my friend, ciao Silvio

  • Great 
  • anel Gold Star Critiquer/Gold Note Writer [C: 3053 W: 3 N: 8715] (40574)
  • [2013-07-01 5:43]

Hello Stone,
Interesting camouflage picture...just amazing!
Kind regards
Anne

Hello Stone

WOW ! what a great camouflage of this crab
with its environment, recently our friend
Christodoulos posted a superbly camouflaged photo,
and this photo from you it include on that
category of superbly camouflaged photos, TFS

Asbed

Hello Stone
Beautiful photo of this crab in amazing camouflaged condition.
nice work.
best wishes,
samiran

Hello Mr.Stone,
Beautiful camouflage.Well captured.Like it.
Thanks for sharing,
Kind regards,
Srikumar

hallo Stone
very nice picture of this camoulaged crab
i like the colours of this crab
thanks greeting lou

  • Great 
  • siggi Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3097 W: 109 N: 12399] (52850)
  • [2013-07-01 12:29]

Hello Stone.
This litte guy is very well camouflaged! The sharpness and details are amazing, wonderful natural colours, great composition.Regards Siggi

Interesting and beautiful photo Stone! Good composition, nice lighting and good sharpness.
Regards,
Christodoulos

Dear Stone

I apologize for my late acknowledgement of your contribution, but I had eye problems...thanks for adding your work to my theme

It is remarkable, you saw the animal, focused :-)

Thanks again, warm greetings
Ingrid

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