Octopus tankmates

rjd0521

Cuttlefish
Registered
Joined
Jun 21, 2012
Messages
28
Hi,

I came across this video on youtube where the owner had a bimac octopus with a leopard shark.

http://www.youtube.com/watch?v=x6-_ZNKTE_c

So the question is,

is it a matter of time before one gets the other OR is it even possible to keep both together?

I thought shark have an eye for octopus?

Have you ever kept an Octopus or Cuttlefish with any other tankmates? if yes, have they got along or not?

Let's share!!!
 

CaptFish

Colossal Squid
Staff member
Moderator
Joined
Jul 9, 2009
Messages
2,833
Its only a matter of time. Tankmates and cephs just dont work. as Thales says it works until it doesn't.



sooo many things wrong with that video. people like that annoy me.
 

DWhatley

Kraken
Staff member
Moderator
Joined
Sep 4, 2006
Messages
20,981
Well, I wrote a long and profound speech and hit the escape key and then lost my connection :roll: so you will get the shortened version. We have a number of articles in the Cephalopod Articles section and the one authored by CaptFish (Tankmates: It Works Until It Doesn't) should be required reading material for those who want to get adverturous with tankmates.

Ceph keeping is a young hobby (keeping marine tanks is not an old hobby with Instant Ocean being only slighly more than 50 years old) so we are a long way from knowing all the answers. However, we have a clue about what not to put together in a tank with an octopus if one or the other is not intended as food. We have also learned that prey and hunter can and do reverse rolls with size being a major factor. Additionally, numbers matter and some animals will "pack" to hunt other animals that would otherwise reverse the rolls. IMO an aquarist should strive to provide safer life in the aquarium than it would face in the wild.

Given this goal and the limited knowlege we have acquired, what avoidance rules of thumb are reasonable for the safety of the ceph?

1. Natural preditors (eels, sharks, any meat eaters larger than the octopus or that will grow bigger than the octopus)
2. Animalls that pack or peck (most fish, some shrimp in quantity). Infection being the biggest danger
3. Animals that sting (most soft corals and likely all hard corals) again infection being the biggest concern.

And since we are talking tankmates, what animals are not likely to survive with an octopus but would not harm it?
1. Delicate corals - octopuses do not go around things in their path
2. Natural foods (small crabs, expensive shrimp, decorative clams, small fish)
3. Animals with no self defense (seahorses)

So what is left to try? Anything that does not fit in one of the two lists :roll:. Some of the known animals include:
1. serpent stars (green stars could be a problem but all others have proven successful)
2. brittle stars
3. starfish (I find the thorny to be excellent, there is antecdotal evidence that the Bahama may be able to trap and kill a small octopus and others that hunt this way might be avoided, common caribbeans are no problem).
4. leather corals
5. mushrooms (not ricordia)
6. low stinging polyps (experimental - advise locating on a removable rock and removing if the octo reacts to touching it)
7. gorgonans placed out of a pathway (note #1 on delicate corals)
8. urchins (pencils are recommended, long spined are out, pin cushions questionable but we have no known problems with them).

I have likely missed some and hopefully others will add suggestions.
 
Joined
Apr 4, 2018
Messages
1
I have just read that it is not a good idea to put seahorses in with the octopus. I have had a seahorse in with my octo for about a month and she never goes near it (so far). When I first put the seahorse in the tank, she went over and touched it a few times, and then Has left it alone since. I hope I am seeing some new behavior for octopus. I was reportedly (a few years ago) one of the first to witness an octopus eat a Lionfish. Also, I have had one that was in my tank for six months, follow me back on the shore (no water), after returning it to the ocean.
 

tonmo

Cthulhu
Staff member
Webmaster
Joined
May 30, 2000
Messages
10,459
I have had a seahorse in with my octo for about a month and she never goes near it (so far).
I hope I am seeing some new behavior for octopus.
Not advisable for the reasons mentioned above and discussed thoroughly throughout the years on the forum; however, please do keep us posted. I'm not sure I would classify it as new behavior; in fact it seems it's fairly standard for things to seem fine and normal -- hence the title of the article, it works until it doesn't.
I was reportedly (a few years ago) one of the first to witness an octopus eat a Lionfish.
Here's a thread on an octo who ate a lionfish (and died):
Also, I have had one that was in my tank for six months, follow me back on the shore (no water), after returning it to the ocean.
šŸ˜Æ ...good for you for returning it to the ocean! You must have given it a good home :smile:
 

Latest Posts


Top