Pouch Evacuations in Male Seahorses
Written By: Tami Weiss | Date Posted: June 25, 2004 | No Comments »Evacuating the brood pouch of a male seahorse may be necessary from time to time if a male’s pouch accumulates excessive gas in the pouch. At first, this may seem like a frightening task, but its really very simple to do, even with the squirmiest of guys. Just remember, seahorses are smart and he’ll probably sulk and shy away for a few days. That’s okay.
Equipment you’ll need
-shallow container with tank water
-blunt tipped bobby pin, soft plastic pipette, or iv catheter sleeve with needle removed
- moral support
First, you’ll need to grasp the male firmly underwater. Some people prefer to do this in a shallow container with tank water, but once you’re proficient at it, you can do this in the tank. If you do it in a separate container, make sure there is enough water to fully cover the seahorse from back to tip of snout with your hand holding him. He shouldn’t be exposed to air during the procedure.
To hold the male, position him so he is laying across the palm of your hand. I prefer having it so the male’s upper body rests between my index and middle fingers, as it aids in manipulating the pouch. You’ll want to get him to wrap his tail around your pinky or ring finger or he’ll use it to grab his head, snout, etc. to block you from getting to his pouch. He may struggle for a bit, but keep him immobilized without squeezing too tight, and he’ll calm down. Eventually. Some males take longer than others to relax.

How to hold male seahorse for evacuation
If all goes well, the bubbles will start to come out of the pouch opening. This is why I prefer doing the procedure in tank; you can tip Mr. seahorse so his pouch opening is the highest point, thus allowing the air to leave.
If it does not come out on its own, you may need to tease the pouch open. This is where it gets tricky, especially if you do it alone. But, as I can attest, it can be done on your own with patience and dedication. However, if you can find a non-squeemish friend to help the first few times, it might be a good idea.
Again, hold the seahorse the same way in your palm. Now you’ll need to force the air near the opening of the pouch similar to before to make the pouch opening more taut. You can do this with the thumb of your holding hand. Now, hold the insertion tool, (blunt bobby pin, pipette, or catheter) between your thumb and index finger of the free hand and work at pushing the sides of the opening away. He will be holding it tight, so it may take a little while of gently working at it to get him to relax enough to let it open. You may not be able to see the opening as the pouch folds around itself here. Keep working gentle, careful to not actually insert into the pouch while doing this procedure. You will know when its open when the stream of bubbles comes out. Hold open and with the fingers you’re putting pressure on the pouch with, keep working your way up until the air is all out.

Demonstration with catheter.
Author’s Note: Sorry for the poor pictures folks. The “model” wasn’t too happy about this since he’s currently not suffering from Pouch Emphysema, so I had to be quick about it.








