生活在珊瑚礁上的熱帶蝦多種多樣，且大多能為礁魚提供清潔服務。常見的帶有紅色條紋的清潔蝦（學名Lysmata amboinensis）我們都非常熟悉，但在尾瘦蝦屬（Urocaridella）中還有一些較小的清潔蝦我們不甚了解。
除了我們曾介紹過的Arrow清潔蝦之外，尾瘦蝦屬至今只新添了一個新物種Urocaridella degravei。這個物種以前被稱為Urocaridella sp.C，廣泛分布在印度尼西亞，包括峇里島和巴布亞紐幾內亞，非常普遍。
根據其顏色和圖案，人們很容易將新發現的Degrave清潔蝦與相似的蝦區分開來。幾乎所有尾瘦蝦屬物種都有著清晰的紅色和白色斑點，但Degravei清潔蝦身上的斑點是紅色和黃色的。此外，Degrave清潔蝦的腹部有一條黃色條紋，延伸至尾巴上成為Y形。
雖然尾瘦蝦屬物種也是清潔蝦，但它們往往遠離珊瑚礁，就像某些Periclemenes蝦物種一樣。Arrow清潔蝦並不罕見，但由於難以處理和運輸，因此它們很少見於水族箱。這是一個遺憾，因為它們有些可以為微缸增加美麗的點綴。
原文：
There’s an incredible diversity of tropical shrimps that live on coral reefs and a whole suite of them perform cleaning services for reef fish. We’re all very familiar with the common red line cleaner shrimp, Lysmata amboinensis but there’s a group of smaller cleaner shrimp in the genus Urocaridella.
We』ve introduced the Arrow Cleaner Shrimp in a previous article but today the genus just got a little bit bigger with the description of a new species, Urocaridella degravei. Previously known as Urocaridella sp C this widespread shrimp is quite widespread in its distribution throughout Indonesia including Bali and Papua New Guinea.
The freshly minted Degrave’s cleaner shrimp is easy to distinguish from similar shrimp based on coloration and pattern. Nearly all other Urocaridella are clear with red and white spots but U. degravei has red and yellow spots on its body. Furthermore a yellow line runs along the abdomen of Degrave’s cleaner shrimp and it splits into a Y shape on the tail.
While they are cleaner shrimp, the species of Urocaridella tend to hover away from the reef much like some species of Periclemenes shrimp. The Arrow Cleaner Shrimp are not rare by any means but they are hard challenging to handle and transport, which is why they are rarely seen in aquariums. This is a pity because a small group of them can make for a beautiful addition to nano reef tanks as you can see in the video below.
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