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Square-shelled crab Collection Image, Figure 1, Total 3 Figures
Square-shelled crab Collection Image, Figure 2, Total 3 Figures
Square-shelled crab Collection Image, Figure 3, Total 3 Figures
Square-shelled crab
  • species_info
    • english title:Square-shelled crab
    • scientific_name:Galene bispinosa
    • DIVISION:Arthropoda
    • subphylum:Crustacea
    • class:Malacostraca
    • orders:Decapoda
    • family:Galenidae
    • genus:Galene
    • species:bispinosa
    • scientific_name_pub_year:1783
    • scientific_name_pub_doc:Herbst, 1783
    • species_author:Herbst
  • collection_content
    • collection_locality
      • country_id:TWN
      • country_en:Republic of China
      • subdivision_1_en:Taiwan Province
      • subdivision_2_en:Yilan County
      • subdvision_3_en:Su'ao Township
      • locality_en:Su'ao Township,Yilan County
      • latitude_value:24.581436
      • latitude_direction:N
      • longitude_value:121.870020
      • longitude_direction:E
    • collection_info
      • collection_date:1967.07.27
      • Collection Date:1967/07/27
      • quantity:1
    • collection_record
      • catalog no:TMCD000160
      • CAT_NO:CR.0160
  • gdesc_info
    • GDESC:  頭胸甲呈橫長卵圓形,甲面稍隆起,前半部明顯分小區,後半部較平滑。額略突出,前緣分兩葉,各葉外側緣內凹。前側緣含眼窩外齒共六齒。螫足粗壯,左右不等稱,腕節及掌節背、外側面呈皺襞狀,兩指內緣具2~4枚大小不等齒,指節末端呈匙形。步足背、腹緣具長剛毛。背甲黃褐至灰綠色,並雜有墨綠或鐵銹色斑點。螫足及步足指節黑色,其中不動指的黑色延伸至掌節腹面末部。本種螯足左右不等大,或左大或右大皆有之,螯指末端匙形,主要以刮取岩石上的藻類為食,螯指夾住人體時常久久不放。為有毒蟹類成員之一,具弱麻痺性貝毒。
        廣泛分布於印度-西太平洋各地海岸。於潮間帶珊瑚礁縫穴中或岩石下可發現,為常見種。