展開選單

Environmental Educational Resources

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Uca tetragonon
The shield of the Uca tetragonon is dark blue, covered with black mesh patterns or irregular light spots; the major chelipeds are yellow-orange, with brown spots on the upper part of the palm, and the immovable finger near the palm is red, with red or yellow-orange walking legs. More
Uca splendida
The body of this crab is dark blue, light blue or grayish white in color, with several horizontal black bands. The front shield of some female crabs is orange-red, while the shield of smaller crabs is mostly creamy yellow or light green. The major chelipeds are carmine or orange, and its two fingers are pale pink or white. The eye stalks are light red or orange. Unlike Thick-legged Fiddler Crabs (Uca crassipes) the front edge of the shield of the former is prominent and curves toward the dorsal edge, while its eye stalks are reddish and the shield mostly blue, with black horizontal bands. More
Uca perplexa
The Uca perplexa has a similar shape and color to the Milky Fiddler Crab (Uca lactea) and is often misidentified. The major chelipeds of the former are yellow or white; the shield has mixed black and white stripes. The main feature of the male crab is that it has a triangular tooth at the end of the major chelipeds, sharp serrations on the bite edges of the two chelipeds, and brown markings on its walking legs. More
Uca Formosensis
The shield of Uca Formosensis is a dark brown hue with a lighter trailing edge, and the shield of young crabs has light lines. The major chelipeds of the male Taiwanese fiddler crab are scissor-shaped with white knuckles. They use balls of soil to build tall chimneys, which can be 10-20 cm high. More
Uca jocelynae
Uca jocelynae is a new species of crab that was only announced in recent years. It looks similar to the Northern Calling Fiddler Crab (Uca borealis) and was previously mistaken for a different colored Northern Calling Fiddler Crab. It is now listed as the 11th species of fiddler crab in Taiwan with bright yellow or orange major chelipeds. The main difference is that there is an obvious light blue area on the lower half of the shield and two deep depressions on the immovable finger connected to the major chelipeds. The major chelipeds of the immovable finger on male crabs point to the distal triangular teeth. More

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