Daffy (A)- O.hummelincki | The Octopus News Magazine Online
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Daffy (A)- O.hummelincki

CaptFish

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#1
I went through hell the last two weeks trying to get what was suppose to be two different species of octo one "large" and one "small" well the first two got held up in shipping and were DOA at the LFS. The second two are lost in space, yup neither the LFS, the supplier or the airline could find them. then the third pair missed there plane. and finally today they arrived. They are both O.hummelincki

This thread will be for the larger of the two which I placed in my 125g tank, there was no acclimation just a direct plop into the tank. as my water and my LFS both use the same saltwater and temps. or parameters match up perfectly.

I think noname A is a male, do to his third arm being curled at all times.

I guesstimate his mantle to be about 2.5"

I'll post pics and video in a bit.
 

CaptFish

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#2


 

DWhatley

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#4
Could you tell the species of the two that were DOA?

Great looking fella. I have had very good luck with the larger males so I am hoping that my experience holds up with this one.
 

CaptFish

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#5
Could you tell the species of the two that were DOA?
I never saw them. the LFS just told me they did not make it.
 

CaptFish

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#6
 

DWhatley

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#7
He can still color so you should have some time with him. I was worried about Octane because of his size but he was with me for 7 more months and might have lived as much as a month longer had I not left his top open :cry:
 

CaptFish

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#8
Things are great. A has settled in nicely. he is out most of the day. Mostly just sitting and observing or hunting around the tank.
 

CaptFish

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#9
More pics. Picked up three dozen live shrimp for $3 and split them between the two, A imediately pounced on three. so while he was sitting and munching I snapped a few photos





 

CaptFish

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#13
Daffy is great. Although we have not made much progress with contact and petting he is out most of the day. and loves to play against the glass with anyone. He is still the same size. his longest arm is about 6" and his mantle is about 2". He is not a big eater. he maybe grabs a live shrimp every few days. he will take a frozen one whenever i offer it, but i mostly let him hunt and catch his own food.



 

DWhatley

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#14
I have often mentioned that size on this species seems to vary more than with other species we keep. We have seen them dwarf sized and with mantles as large as O. brieareus (but not arms). Our first one did not grow much the full seven months we kept him and ate like a pig (1 large frozen shrimp 6 days a week). None of out others were as large nor had that kind of appetite.
 

CaptFish

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#16



 

CaptFish

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#17
I posted pics the other day, but I was in hurry to get out the door so i didn't post an update and i forgot to come back...

Daffy is great. still on the shy side when it comes to play amd contact but as long as there is glass between you and him he is a blast. He spend 75% of his time out and about during the day and I see only a little action at night right when I go to bed. His lights come on at 9am and turn off at 7pm.

I have been trying these guys at a colder temp then i have in the past and it seems to agree with them. Both Donald and Daffy's tanks are set at about 73*F. I was afraid it would affect how active they would be but it doesn't seem to the only thing i have noticed is they eat FAR less then any of my other octos. They each eat only one shrimp every day or two. i leave a dozen live shrimp(from the local bait shop) in their tanks with them at all times. Every now and then I will feed them a frozen one just for kicks.
 

Joe-Ceph

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#18
I looked up the average monthly temperature for Haiti (where most of the hummelincki we can get come from (?) and found that it is as low as 78 in winter and 83 in summer. 73 may be a little cooler than their natural minimum temp, however the 78-83 figure is surface water temp, and even 30 feed deeper than that is likely to be a few degrees cooler, so maybe 73 is not unnaturally cool for them. I've kept several octopus, all of them bimacs, which I read only live twelve to eighteen months. I find that they live well over two years if I keep the water at the cold side of their natural temp range (or a little below), and feed them sparingly (two or three times per week). At 56 degrees they were less active (natural annual temp range is 58-68), so it's good to see that yours is still active. I think the low temp, and/or the reduced feeding, significantly extends their life. I would even suggest restricting food down to 75% of what they eat when food is always available, and only increase it if they start getting smaller, or try to eat tank mates. Did you drop temp to try to extend life span, or for some other reason?
 

DWhatley

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#19
I know you and Roy agree on the minimal feeding for longevity but none of my Caribbean's seem to have any inclination to overeat. One hummelincki was a huge eater (full medium-large shrimp 6 days a week) but all the others have eaten far less in the same environment and I have not seen an increase in appetite with warmer water (due to not having the air on last summer). When I pinned Roy to some numbers, he was feeding about the same total food quantity but fasting more often. Most of my animals have been comfortable with 1 fiddler or a small table shrimp 6 days a week and choose to fast on their own one day a week. Ocassionally, I will get one that does not refuse food, ever (Diego is like this). There may be longevity benefit but because he was so young I have not denied him food and he gets quite pissy if supper is late. I can't claim older aged animals but I can claim normal aging and mostly interactive octos with this method.

Dave, may I grab a couple of your hummelincki closeups for my TONMOCON talk? I don't have any that show the details of their spikes (very different from bimac and I want to show a comparison).
 

CaptFish

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#20
73 may be a little cooler than their natural minimum temp, however the 78-83 figure is surface water temp
72* is the average winter water temp around here. And they are native to FL, so I should be fine. the year we had the huge die off of species was when the water went below 68*, but I can only dream of the day i could get my house that cold, my house is about 71* with my A/C maxed out.

Dave, may I grab a couple of your hummelincki closeups for my TONMOCON talk?
Of course! use whatever you want, any octopus.
 

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