vendredi 9 décembre 2016

Crab - What is it, should I be worried?

Hello Folks - and happy holidays!

So, last night I woke up late and stuck a torch into my 400L (90G) marine tank, and saw a rather large crab I've never seen. It's about 5cm (2in) wide at the body, really interesting coloration and pretty cool. It wasn't an intentional addition to the tank, I can only assume it was a small hitchhiker and has flourished.

So - can anyone please be so kind as to tell me - as best you can tell:
1) Is this a welcome or unwelcome guest
2) Will he eat any fish? I have:
a) Powder Blue
b) Hawaiian Yellow
c) Flame Angle
d) Fiji Foxface
e) 2x Small Clown
f) Lawnmower Blenny
g) Small Damsel
h) Banana Wrasse

Photo of the crab is attached - and and all advice is appreciated.

Attached Thumbnails
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