
Fig. 23. Uca lactea lactea, a
common sympatric species of Uca formosensis. |

Fig. 24. Uca arcuata, a
common sympatric species of Uca formosensis. |

Fig. 25. Uca chlorophthalmus crassipes,
a common sympatric species of Uca formosensis in Penghu (Pescadores)
habitat. |

Fig. 26. Helice
formosensis is another crab species sympatric to Uca formosensis. |

Fig. 27. A typical "volcano"
built by the sympatric crustacean, Laomedia astacina. |