[Octopus]: New Bimac

tkong

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I was lucky enough to order one of @Tomh 's bimacs on 7/19/22. I ordered a "small" individual, but was pretty shocked how big he was when I received him 😂 (this is coming from only previously owning 2 dwarf octopi haha). He came in very healthy and acclimated quickly. He took freshly thawed shrimp off of my feeding stick within the first 24 hours. The gf and I have not come up with a name yet so will update you guys when we do.

The temperature of the tank is usually around 64-68F. After a couple of days, the bimac dug his little cave under one of the larger live rock pieces and this is where he spends most of his day before coming out later in the evening. I was gone for a few days, so I threw in a handful of local bay area grass shrimp from a local bait shop while I was gone ($8 for a 1/4 lb, so a great supplemental live feeding source. I keep the rest in a rubbermaid tub with a sponge filter). He was able eat most of them except for like 3 of the quicker ones. Should i be gutloading the shrimp before feeding them or is that unnecessary?

I have a wyze camera with pet detection set up in front of the tank, so I am able to see what hours at night he is active. He seems to be mostly nocturnal right now. He comes out at 9pm consistently and is active throughout the night up until around 6am. I could spend hours in front of the tank just watching the bimac explore. After watching how much he explores throughout the night, I am glad that I decided to go with a 75 gallon tank instead of only a 55 gallon.

I look forward to the bimac further adjusting to his tank and journaling his progression!

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tkong

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Yes! Totally worth it. I am lucky that my basement stays below 70F all year round, perks of living in foggy and cold SF I guess
 

tkong

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I fed the bimac for the second time using my acrylic feeding stick. And she must've remembered / recognized it from my first feeding because she came dashing out for the thawed shrimp before I got anywhere close to her den haha.
 

tkong

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Quick update: Bimac has been doing really well still ( I swear I will come up with a name by the end of the week).

I have been gradually increasing the portion of shrimp that I am feeding (Just want to avoid any leftover sitting in the tank that I can’t see).

There continues to be two grass shrimp that have evaded predation. Not sure if they’re not big enough to be viewed as food or are just too darn quick.

I had to clean the tank glass this morning and the Bimac thought the scrubber was the feeder stick for a hot second and came rushing out of her cave, but then quickly realized it wasn’t food and retreated back 😆.

Family (who aren’t very big fans of my regular fish) absolutely love the big Bimac 🤣, sending me videos while I am at work and not home. Thank you again Tom for this opportunity! Still very active at night but seems to be coming out more during the day slowly.

And thank you everyone for the kind replies :smile:
 

pkilian

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Should i be gutloading the shrimp before feeding them or is that unnecessary?
I would recommend gut loading the shrimp before feeding. Shrimp (because they are so fast) can be energetically expensive to capture for the octopus, so the more nutritious the shrimp are, the better!

I gut load mine with powdered krill feed but pellets would probably work as well.

If you find the shrimp are repeatedly escaping your octopus, you could crush the tail of the shrimp to prevent them from jetting away and making them easier targets, but that may not be necessary.
 

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