I’m really impressed that you thought of this good design for your octopus!
Nancy
Nancy
[Octopus]: This is Omikron - Abdopus aculeatus
- Thread starter Benjie
- Start date
Week 4, and not a very good one ... Omikron has become quite shy again and is hiding for the better part of the day. We even have trouble finding her for feeding, so she missed a couple of meals (but seems to be compensating on this with the last few shrimp still in the tank). There was one night in the beginning of the week when, due to electrical problems, the lighting cycle was delayed; but could this irritate her for more than a one or two days? So for now, we sit in front of a tank mostly without seeing anything.
But whe she finally appears, mostly attracted by thawed shrimp (still her favourite food), she looks good, moves around smoothly, shows different colours etc...
We are a bit undecided about how to deal with her food - should we say, as long as she does not appear, obviously she's not hungry, or should we poke around to find her and feed her?
and nope, no pics this week :-(
But whe she finally appears, mostly attracted by thawed shrimp (still her favourite food), she looks good, moves around smoothly, shows different colours etc...
We are a bit undecided about how to deal with her food - should we say, as long as she does not appear, obviously she's not hungry, or should we poke around to find her and feed her?
and nope, no pics this week :-(
I can't give a good answer, unfortunately. Routine eating is always preferred but schedules vary widely among keepers. You might try feeding only every other day to see if she actively comes to feed on schedule. You can also try reducing the size of the food and continue to offer daily goodies. I would recommend not keeping more than a meal's worth of live food in the tank though as it may be part of what is making her shy.
Omikron is in the tank for two months now and has settled in well (again). She lost most of her shyness, esp. towards new faces who appear outside the tank, and is (for most of the time) an interactive and playful cephalopod.
What she really hasn't figured out is a day/night rhythm. Sometimes in the morning, when the light goes on, she'll be awake and ready for feeding, and again in the afternoon when we come home. Sometimes we won't see her during daytime for two days, but in the night there is a shadow gliding through a dark tank (very mysterious, yes, but somewhat dissatisfying).
Her missing arm has been growing back to almost full extent, but it's still thinner than the other ones.
What she really hasn't figured out is a day/night rhythm. Sometimes in the morning, when the light goes on, she'll be awake and ready for feeding, and again in the afternoon when we come home. Sometimes we won't see her during daytime for two days, but in the night there is a shadow gliding through a dark tank (very mysterious, yes, but somewhat dissatisfying).
Her missing arm has been growing back to almost full extent, but it's still thinner than the other ones.
I’m glad to hear that Omikron is doing so well!
This is an excellent photo of interaction, as she’s teaching up to touch you.
Nancy
This is an excellent photo of interaction, as she’s teaching up to touch you.
Nancy
actually she's touching us a lot
she has clear preferences whose "taste" she likes or dislikes ... the latter is me, unfortunately. Interestingly, people who smoke or are on medication seem not to irritate her at all. I suspect it's a male/female thing ...?
That’s interesting. I hope she’s polite and touches you some,
Nancy
Nancy
such a great pic
oooops, problems :-(
lately, Omikron has been acted strangely and was very reclusive again. Water tests did not inidicate anything, but as her behaviour kept on for several days, we had the water tested at the store, and it turns out that phosphate is significantly elevated (we tested this at home, but our test didn't say anything ... a different test we purchased now does). The test recommends <0,02mg/l, while it now indicates about 0,2mg/l. So well, really high. But then, the problem seems to be algae and corals, and not really anything that bothers the octopus - ? Could this affect her behaviour? And now ... should we panic, really try to replace as much water as possible and add a second filter to the tank filled with phosphate blocker? Or just calmly do some water changes and add the blocker to our normal filter system?
Your advice is appreciated!
lately, Omikron has been acted strangely and was very reclusive again. Water tests did not inidicate anything, but as her behaviour kept on for several days, we had the water tested at the store, and it turns out that phosphate is significantly elevated (we tested this at home, but our test didn't say anything ... a different test we purchased now does). The test recommends <0,02mg/l, while it now indicates about 0,2mg/l. So well, really high. But then, the problem seems to be algae and corals, and not really anything that bothers the octopus - ? Could this affect her behaviour? And now ... should we panic, really try to replace as much water as possible and add a second filter to the tank filled with phosphate blocker? Or just calmly do some water changes and add the blocker to our normal filter system?
Your advice is appreciated!
We have no evidence that phosphates (or nitrates) are a significant problem to octopuses. I would consider doing multiple water changes in a week (because of the behavior change) but NOT excessive amounts in one change as we do have evidence that parameter fluctuations (salt and ph) are negative impactive.
thanks Denise, that's very reassuring
generally on salinity/pH changes: we have no problems with these parameters, being constantly 1.025-1.026 and 8.15-8.2. BUT i would have thought that the natural habits of A. aculeatus, going through different tidal pools and therefore exposing itself to drastically different temperatures and grades of evaporation of the sea water, should have made it quite insensitive in this respect ...?
generally on salinity/pH changes: we have no problems with these parameters, being constantly 1.025-1.026 and 8.15-8.2. BUT i would have thought that the natural habits of A. aculeatus, going through different tidal pools and therefore exposing itself to drastically different temperatures and grades of evaporation of the sea water, should have made it quite insensitive in this respect ...?
If you extend your logic to include time and water volume, you might agree with why I suggest multiple smaller water changes in an small (vs ocean) environment. Yes, they can tolerate change but it needs to be gradual (consider why we recommend a long, 3 hour acclimation). The volume of the ocean ensures that changes are not rapid in most cases, where we have heavy runoff and land originated concentrations the water is harder on animal survival.
While I do not question the account of gradual changes in the tank at all, I think that A. aculeatus and its relatives must be built to take extreme changes in their natural environment. When I think of tide pool with a few 100 litres being exposed to the sun for a couple of hours in the tropics, the temperature must be in the high 30s (at least), evaporation must be massive and salinity must be crazy in there. Yet they slide in and out. But NO, I'm not going to test this on our octopus.
No actual status change. We agreed that the ultimate status should be Kraken (I was never fond of Ceph Head for Life and Old One is too close to home) as it was more in line with the other status' and fit better on the page.
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