The Perisesarma Bidens is commonly known as the Red-clawed Crab. It is of the Sesarmidae Family and was first published in 1835.
The Red-clawed Crab can have a leg span up to 10 cm. Carapace length is usually no more than 5 cm.
Male Red Claw Crabs tend to have larger, redder claws and are more brightly colored, whereas the females have smaller, darker claws.
Perisesarma Bidens Red-clawed Crab
Perisesarma Bidens Red-clawed Crab
At 2 p.m. at the Hong Kong Observatory : Air temperature : 21 degrees Celsius Relative Humidity : 63 per cent During the past hour the mean UV Index recorded at King's Park : 5 Intensity of UV radiation : moderate The air temperatures at other places were: Hong Kong Observatory21 degrees ; King's Park21 degrees ; Wong Chuk Hang22 degrees ; Ta Kwu Ling23 degrees ; Lau Fau Shan22 degrees ; Tai Po22 degrees ; Sha Tin22 degrees ; Tuen Mun21 degrees ; Tseung Kwan O21 degrees ; Sai Kung20 degrees ; Chek Lap Kok21 degrees ; Tsing Yi23 degrees ; Shek Kong24 degrees ; Tsuen Wan Ho Koon23 degrees ; Tsuen Wan Shing Mun Valley23 degrees ; Hong Kong Park22 degrees ; Shau Kei Wan20 degrees ; Kowloon City23 degrees ; Happy Valley21 degrees ; Wong Tai Sin22 degrees ; Stanley20 degrees ; Kwun Tong20 degrees ; Sham Shui Po23 degrees ; Kai Tak Runway Park21 degrees ; Yuen Long Park24 degrees ; Tai Mei Tuk23 degrees . [air temperatures at other places]
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