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Author Topic: Red Severum shakes  (Read 7143 times)
New Member

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United States United States

Posts: 7

« on: March 12, 2017, 07:57:32 AM »

I have a 75 gallon tank. Water is kept at 78 degrees. I have (2) HOB 110's & an Eshopps 100 wet dry. The pH is 7.6, AMONIA is 0, nitrites 0 and nitrates at 20. I have the following fish:

3 - clowns loaches
1 - red severum
1 - gold severum
2 - geo balanise
1 - geo topagos
2 - geo rio olamars
7 - Roseland
3 - blue rams
2 - blue gauramis
2 - gold gauramis
2 - albino plecos
1 - black ghost
4 - striper cats

The tank has been up and running since September 2016. Most of the fish have been in since juveniles. After having the 2 geo rio olamars in a hospital tank for a week, we just added them yesterday.
The red severum is a male and has been the dominant fish of the tank. He has paired with the female gold. We just noticed that the red severum has become a bit lethargic and has been staying in quite spots in the tank while he shakes his body. At times he forces the gold away from him, but mostly goes everywhere she goes.
Can someone tell me why he shakes and sometimes rubs his nose on the rock that he would be sitting next too?

Help is always appreciated.
Thank you
Full Member

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United States United States

Posts: 10

« Reply #1 on: March 14, 2017, 04:29:05 PM »

From my understanding when they shake it is a show of dominance, typically when there has been a disturbance in the dominance between fish. It should be ok with a little bit of time once things are back to normal. Adding the fish back probably triggered it.

New Member

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United States United States

Posts: 7

« Reply #2 on: March 15, 2017, 07:01:26 PM »

Thank you. That makes sense. I have read that before. I also read they may be showing off during mating time. I don't know if you ever heard anything about that before 
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India India

Posts: 11

« Reply #3 on: April 28, 2017, 05:00:41 AM »

I have a pair of red shoulder Severums for about a week now. They seemed to settle in very easily, without any issues to start with. For the last 3-4 days though, the female has been vigorously shaking her head, during and shortly prior to feeding. She is also often turning very dark, almost black, usually coinciding with the head shaking. The male has shown a very limited amount of head shaking, but no real colour change.
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Aruba Aruba

Posts: 1

« Reply #4 on: April 18, 2018, 02:09:58 AM »

What is the vibration that we get from?
Full Member

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Canada Canada

Posts: 11

« Reply #5 on: January 06, 2019, 10:02:45 PM »

Fish feel movement, water pressure changes and vibrations through a system of lateral lines that run the length of their bodies. Depending on its size, a fish will react differently to the same sound.
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