pistol shrimp

[datnoids81806]

i have a pistol shrimp that pair up with a goby, i just move them to a bigger that is a biocube 29 but i dont know why everyday i woke up and turn on the ligths i found the pistol shrimp was stuck at the overflow area and is still alive lol. anyone know the reason why it always jump to overflow area?

 

[kasaki89]

maybe not enough flow in your tank, producing not enough oxygen throughout the tank, so in that spot there';s more oxygen, that's why he goes there. thats my 2 cents on it..