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View Full Version : What is the minimal tank requirement for 2 seahorses?


m0nkie
09/30/2017, 05:39 PM
edit. minimal tank size*** requirement

Hi guys. I want to get a small seahorse tank for my workroom. I have a salt water tank already. Not looking to put any fish in. Just 2 beginner seahorses.

-What is a good cube sized tank?
-as small as possible so it doesn't take much space.
-recommendation on a good beginner seahorse?

Planning on going barebottom. tonga branches for rockscape. some easy corals SH can use.

thanks!

nutbar29
09/30/2017, 07:44 PM
You can get a 20g tall and have 2 erectus seahorses. Thatís the smallest size you can go.


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rayjay
09/30/2017, 11:21 PM
Please ignore that 20gT recommendation. The actual recommended size for ONE pair of STANDARD sized seahorses is 30g, but larger can be better.
Adding a sump/refugium can increase the odds of success.
A hugely oversized skimmer is a great benefit.
It's not IMPOSSIBLE to keep two erectus in a 20g tank but the odds of success are VERY low in the long term. For it to work you would have to do an exorbitant amount of large water changes and do extreme husbandry to keep the tank clean enough to prevent the number one killer of seahorses, bacteria and internal chemistry problems that seahorses are so susceptible to. Not too many people can keep up such a regimen for too long even when they THINK they can.
IMO, water quality needs to exceed that of any reef tank and seahorses themselves are bent on destroying that quality with their feeding habits. They are selective eaters, leaving a lot of food pieces uneaten, and, when they snick their food, they masticate it, passing particulate matter out through the gills and into the water column.
Unfortunately, there are NO test kits available to the hobbyist to tell us when the water is deteriorating to the point the bacteria are going to become problematic so a preventive husbandry protocol works best.
Two great sites to start your learning of what gives the best chances of success in keeping seahorses: www.seahorsesource.com and click on articles.
www.fusedjaw.com and see articles.

nutbar29
10/01/2017, 02:15 AM
Rayjay yes bigger is better but a 20g is possible cuz I did it for years. When I first started I had a 20g T and I never had any issues with my seahorses. I also didnít do big water changes I did 10% weekly and I had a hob skimmer meant for a 40g and a hob filter. I always kept my temperature at 70 and never had bacteria or any other problems with my seahorses.


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rayjay
10/01/2017, 10:20 AM
And, you are not the ONLY one to do so.
However, the ones like you are FEW compared to the number of hobbyists who FAIL in the attempt to do so and many seahorse lives are lost because of it. This is based on my experiences and what I've followed on the forums for 14 yrs now.
For that reason, I prefer to recommend what gives the BEST chances of success as opposed to what the few are succeeding with.
Seahorses, like people, have varying degrees of health capabilities. We humans are a wide mix of those who don't ever seem to get sick or have problems as well as the majority who have some affinity for warding off problems but in reality do succumb from time to time to life's maladies, and, others still that seem to be always sick and have problems.
When we buy seahorses we have no way to know what their status might be, so putting the last category of seahorses in that situation is almost certain to be problematic. Putting the middle class into the same situation you will probably have fewer problems but they will be there. Of course the first and healthiest ones are much more able to tolerate conditions as you describe and perhaps most of those will do OK. (no guarantee though)
Of course, you can do EVERYTHING right and STILL end up with losses sometimes.
With some luck and with good care, your standard seahorses should live in the range of 5-7 years, and some beyond that even.
Of course, these are my opinions, and rather than depend just on those, please be sure to do plenty of research to find the opinions of others who are successful keepers, keeping in mind to lean towards those who seem to share opinions with a lot of others before going the route of lesser numbers of successes, bearing in mind you won't know what your new seahorses are capable of handling.

Pandagobyguy
11/24/2017, 11:51 AM
Dwarf seahorses are different! From what ive read they actually prefer 10g to get high cope density. Please let me know if i am ill informed though!

rayjay
11/25/2017, 01:44 PM
It's not what they prefer that we have to consider as they prefer their natural habitat that we cannot give them.
You can't provide enough copepods even in a 10g tank for long term survival of a pair of dwarfs and that is why the primary food for captive dwarfs is enriched live brine nauplii.
Pods therefore are just a great additional nutrient profile for them.
A ten gallon tank would need a lot of dwarfs to really be able to be worthwhile as they are hard to see.
I have no problem with up to around 50 dwarfs in a 5g.

Pandagobyguy
11/25/2017, 04:40 PM
It's not what they prefer that we have to consider as they prefer their natural habitat that we cannot give them.
You can't provide enough copepods even in a 10g tank for long term survival of a pair of dwarfs and that is why the primary food for captive dwarfs is enriched live brine nauplii.
Pods therefore are just a great additional nutrient profile for them.
A ten gallon tank would need a lot of dwarfs to really be able to be worthwhile as they are hard to see.
I have no problem with up to around 50 dwarfs in a 5g.Do rotis work as well?

rayjay
11/26/2017, 08:48 AM
The problem with Rotifers is that they still need to be enriched, but mostly it's a case of too small. It takes an inordinate amount of rotifers to be of any food value and that means maybe 5 or more times as many snicks which is expending energy of the dwarfs.
I only use rotifers for initial week feeding of pelagic seahorse fry like H. reidi.

SimplyDani
12/11/2017, 10:13 PM
Love this discussion! what do you guys think is the best beginner seahorse?

vlangel
12/12/2017, 07:35 AM
Love this discussion! what do you guys think is the best beginner seahorse?
I would start with H erectus. They are commonly accepted as the hardiest specie.

m0nkie
12/12/2017, 03:46 PM
thanks guys!

I found a pair of seahorse at the LFS. they have been there for over a month and feeding on live ghost shrimps, so I picked up the pair.

they are inside a Nuvo20 gal drop off tank. I'm currently still messing with the tank. Trying to add another 20gal refugium with an oversized skimmer. Trying to do this without increasing the heat output. The tank is at 74 degrees in winter. Im sure it will go up in summer. I have 2 fans waiting and a split AC for the room if needed.

can you guys confirm the specie? is this H Erectus? LFS said they are from Brazil.

I also setup a 10gal for live ghost shrimps. These guys aren't eating frozen food. I feed about 3 ghost shrimp per sea horse daily.

the plan is to change 5gal WC weekly.. toss in some Ciporax bio rocks. hopefully eliminate nitrate issue
<iframe width="560" height="315" src="https://www.youtube.com/embed/GUNYUkFjr5w" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></iframe>

https://i.imgur.com/tykdD9S.jpg
https://i.imgur.com/FCsGfhX.jpg
https://i.imgur.com/jPvhAZb.jpg
https://i.imgur.com/HIiaUL5.jpg

rayjay
12/13/2017, 11:09 AM
FWIW, I've NEVER checked nitrates as they won't cause my seahorse deaths, especially with proper sized/timed water changes.
I don't think 3 shrimp a day per seahorse will be sufficient for long term survival so be extra vigilant watching to see if they begin to thin out in the main body.
While Brazil does have some erectus, it has been in my experience that most coming from brazil are H. reidi. ID from pictures is difficult but you can go to the ID Guide and check out for yourself. https://cites.unia.es/cites/file.php/1/files/guide-seahorses.pdf

m0nkie
12/13/2017, 02:39 PM
thank you! I thought nitrate reading would mean the water is not as clean. guess I'll just stick to WCs

locito277
12/13/2017, 06:58 PM
Man brilliant minds think alike! Just purchased a marine land almost cube tank for pipefish and seahorses lol!


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