Spotted moon crab-國立臺灣博物館典藏查詢資訊系統-Collection-TMCD000035

Spotted moon crab Collection Image, Figure 1, Total 3 Figures

Spotted moon crab Collection Image, Figure 2, Total 3 Figures

Spotted moon crab Collection Image, Figure 3, Total 3 Figures

Spotted moon crab

species_info
- english title:Spotted moon crab
- scientific_name:Ashtoret lunaris
- DIVISION:Arthropoda
- subphylum:Crustacea
- class:Malacostraca
- orders:Decapoda
- family:Matutidae
- genus:Ashtoret
- species:lunaris
- scientific_name_pub_year:1817
- scientific_name_pub_doc:Leach, 1817
- species_author:Leach
- common name
  - common name english:Spotted moon crab
collection_content
- collection_locality
  - country_id:TWN
  - country_en:Republic of China
  - subdivision_1_en:Taipei Prefecture
  - subdivision_2_en:Keelung District
  - subdvision_3_en:Keelung
  - locality_en:Keelung,Keelung District,Taipei Prefecture
  - latitude_value:25.152503
  - latitude_direction:N
  - longitude_value:121.767149
  - longitude_direction:E
- collection_info
  - collection_date:1917.08.10
  - Collection Date:1917/08/10
  - quantity:1
- collection_record
  - catalog no:TMCD000035
  - CAT_NO:CR.0035
gdesc_info
- GDESC:　　頭胸甲近圓形，稍扁平，前、後側緣相接處(側緣中央)各有一粗大尖銳刺。額突出，額緣中央有一缺刻。後緣窄。螫足對稱，腕節、掌節外側面散生顆粒，掌節外側面下半部近基部有一銳刺，內側面近背緣處有二發聲隆脊，一呈卵圓形，一呈長條狀。步足寬扁平槳狀或鏟狀，末對步足長節前後緣及腕節、前節後緣密生短絨毛。全身背面黃色，密布紫紅色小斑點。
  　　廣分布於印度一西太平洋。棲息於寬廣開闢的沙泥灘潮間帶至亞潮帶15m深的沙泥質、貝殼沙海底。每年春未至冬初，會出現於潮間帶，以夏季較常見。擅長游泳及潛伏沙中，退潮時活躍仍有積水處，潛入沙中只露出雙眼，待成群和尚蟹靠近，則伺機迅速鑽出地面加以獵捕，再鑚回沙中享用。俗稱：鑽沙蟹、沙隨、金錢蟹。