Guardians of the Coral | 水產百科網
![Guardians of the Coral](https://i.imgur.com/p728dxy.jpg)
2017年2月7日—StudiesshowthathigherdensitiesanddiversityofcoralguardcrabsonwildAcroporaandPocilloporacoralcoloniesincreasesurvivability.
![Guardians of the Coral](https://i.imgur.com/p728dxy.jpg)
There are two genera of coral guard crabs[1] commonly found in the aquarium trade – Trapezia and Tetralia – that are symbiotic with small polyp stony corals such as Acropora, Pocillopora, Stylophora, and Seriatopora corals. These corals attract and feed their tiny symbionts with special fatty mucous they produce just for the crabs.
Inexperienced reefers sometimes remove coral guard crabs from their host coral in error, but they are actually quite beneficial. Coral guard crabs remove debris and sediment that settles on the host coral and increase flow to the coral’s center, preventing tissue necrosis. In turn the crab gets a home and a coral mucous meal. They also protect the host coral from some pests and predators. Larger species pinch the underside of the crown of thorns star, a large predatory sea star that consumes coral, until it moves on to an unprotected coral. Smaller crabs prot...
Trapezia PocilloporaAcropora Crab | 水產百科網
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Guardians of the Coral | 水產百科網
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Banded Acro Crab | 水產百科網
Polkadot Acro Crab (Trapezia Pocillopora) | 水產百科網
![](https://i.imgur.com/p728dxy.jpg)
【花紋細螯蟹Lybia tessellata】扇蟹科 (Xanthidae)
水產分類:澎湖的蟹類中文名稱:花紋細螯蟹學名:Lybiatessellata科別名稱:扇蟹科(Xanthidae)命名學者:(Latreille1812)
![](https://i.imgur.com/p728dxy.jpg)
【鈍額曲毛蟹Camposcia retusa】蜘蛛蟹科 (Majidae)
水產分類:澎湖的蟹類中文名稱:鈍額曲毛蟹學名:Camposciaretusa科別名稱:蜘蛛蟹科(Majidae)命名學者:Latreille1892
![](https://i.imgur.com/p728dxy.jpg)
【繡花脊熟若蟹Lophozozymus pictor】扇蟹科 (Xanthidae)
水產分類:澎湖的蟹類中文名稱:繡花脊熟若蟹學名:Lophozozymuspictor科別名稱:扇蟹科(Xanthidae)命名學者:(Fabricius1798)
![](https://i.imgur.com/p728dxy.jpg)
【紅斑瓢蟹Carpilius maculatus】瓢蟹科 (Carpiliidae)
水產分類:澎湖的蟹類中文名稱:紅斑瓢蟹學名:Carpiliusmaculatus科別名稱:瓢蟹科(Carpiliidae)命名學者:(Linnaeus1758)
![](https://i.imgur.com/p728dxy.jpg)
【公雞饅頭蟹Calappa gallus】饅頭蟹科 (Calappidae)
水產分類:澎湖的蟹類中文名稱:公雞饅頭蟹學名:Calappagallus科別名稱:饅頭蟹科(Calappidae)命名學者:(Herbst1803)
![](https://i.imgur.com/p728dxy.jpg)
【真綿蟹Dromidiopsis dormia】綿蟹科 (Dromiidae)
水產分類:澎湖的蟹類中文名稱:真綿蟹學名:Dromidiopsisdormia科別名稱:綿蟹科(Dromiidae)命名學者:(Linnaeus1763)
![](https://i.imgur.com/p728dxy.jpg)
【斑點擬相手蟹Parasesarma pictum】方蟹科 (Grapsidae)
水產分類:澎湖的蟹類中文名稱:斑點擬相手蟹學名:Parasesarmapictum科別名稱:方蟹科(Grapsidae)命名學者:(DeHaan1835)
![](https://i.imgur.com/p728dxy.jpg)
【毛掌梯形蟹Trapezia cymodoce】梯形蟹科 (Trapeziidae)
水產分類:澎湖的蟹類中文名稱:毛掌梯形蟹學名:Trapeziacymodoce科別名稱:梯形蟹科(Trapeziidae)命名學者:(Herbst1799)
![](https://i.imgur.com/p728dxy.jpg)
【黑指波紋蟹背面觀Cymo melanodactylus】扇蟹科 (Xanthidae)
水產分類:澎湖的蟹類中文名稱:黑指波紋蟹背面觀學名:Cymomelanodactylus科別名稱:扇蟹科(Xanthidae)命名學者:DeHaan1833