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waffle

waffle's Amarinus Laevis

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waffle    145
waffle

I've been avidly watching these little guys since receiving them yesterday, and I thought I'd make a new thread for the observations! Fist up some pics!large.DSC_0175.jpglarge.DSC_0170.jpglarge.DSC_0162.jpglarge.DSC_0158.jpglarge.DSC_0155.jpglarge.DSC_0152.jpglarge.DSC_0145.jpglarge.DSC_0135.jpg

Next, some interactions with shrimp. First up, a pair getting intimate (or failing to - looks like the male was just seeing if she was in the mood) while ignoring some nearby shrimp.

 

Next, a male getting territorial and chasing off a sunkist neo. Sorry about the lower quality - camera was set to low res accidentally. This movement is different from how they attack snails, so I think it's a territory issue rather than a hunting attempt. If you slow down the film you can see he raises his body and claws really high as though to look intimidating. But I'm not a crab expert so I dunno.

 

Next a shaky-cam quick-and-dirty video evidencing snail-eating prowess. Don't watch if you get motion sick!!

 

Next up, a rookie attempt at a close-up film. A bit shaky and focus is off, but you can see the female's cute face.

 

Edited by waffle
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waffle    145
waffle

This video shows their normal behaviour around shrimp. Just completely ignoring them. A male walks past a group of shrimp having dinner.

 

The DAS in the video are adults. The Tangs just reached maturity a couple weeks ago so will probs get a bit bigger.

About half a dozen times I've seen them walk right through groups of shrimp without trying to eat them. This is including a group of shrimplets. That vid of the territorial lunge was the only sign of aggression I've seen.

In terms of food, so far I've seen them:

--> Eating a ton of snails.

--> Sifting through the substrate for morsels, with shrimp following and picking up the leftovers.

--> Chewing mulberry leaves.

--> Picking algae off moss. 

--> Eating Australian Blackworm Pellets - this is their favourite by far.

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waffle    145
waffle

Last vid of the night. The females like to launch and try to swim, and this one makes a fairly pathetic attempt and lands in some shrimp. 

 

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waffle    145
waffle

Neo adults and shrimplets have got used to the crabs now. I saw them crawling on a bigger female as she walked around the tank.

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Matuva    133
Matuva

Think if I have time enough, I will go to visit again my nerite spot wher i also found some crabs. That's a brackish water spot, but I hope the crabs will acllimate to the soft water.

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waffle    145
waffle

 

12 minutes ago, Matuva said:

Think if I have time enough, I will go to visit again my nerite spot wher i also found some crabs. That's a brackish water spot, but I hope the crabs will acllimate to the soft water.

Good luck!! Looking forward to hearing how the adventure goes 😃

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waffle    145
waffle

snapped these during lunch break. You can see the shrimplets and juvies hanging around the crab to get the particles she throws up. Shrimp are blurry and out of focus though - no time to set up tripod!peaceful crab.jpgpeaceful crab 2.jpgpeaceful crab 3.jpg

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Matuva    133
Matuva

Would they attack a nerite?

 

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waffle    145
waffle
1 hour ago, Matuva said:

Would they attack a nerite?

 

Nerites have extremely hard shells and a trapdoor they can close, and I imagine that would make them immune to the little crabs I've got. My larger ramshorn snails  (no trap door, softer shell) are surviving, but some have been attacked and maimed a bit. 

It really depends what kind of crabs you find. Some crabs may be strong enough to break into a nerite shell or fast enough to grab its soft body before it pulls the hatch shut.

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NoGi    1,343
NoGi

Nice work with the media mate, I'm going to have to up my game lol

You should see if you can post to the SKF YouTube channel

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waffle    145
waffle
1 hour ago, NoGi said:

Nice work with the media mate, I'm going to have to up my game lol

You should see if you can post to the SKF YouTube channel

You mean like upload videos there? I'm a youtube noob so I didn't know you could do that!

I was actually going to ask you if you were after submissions for it haha

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waffle    145
waffle

These guys are still going really well. Shrimp crawl all over them now. I've even seen shrimp ride on their backs as they have territorial standoffs with each other (they never hurt each other - just kinda have a stare-down and wave their claws). 

Edited by waffle
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waffle    145
waffle

So a bit of an update on these guys.

I lost half of them when someone sprayed cleaning products around my desk T_T 

The remainder were tough bastards - they survived 3-4 more months whereas no shrimp made it more than a month after the incident. I miss them heaps. I'll likely have to move away from Australia for a few years sometime soon, but someday I'd love to make a species tank for these and breed them. 

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wulilions    0
wulilions

Hi mate, 

I'm sorry to hear about your crabs, 

But I was wondering if you had any survivors you would be happy to give away or sell as I'm super keen on getting some for my tank. 

Please contact me on here

Thanks

Wulilions 

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waffle    145
waffle

Hi Wulilions,

Sorry, no crabs at the moment sadly. I'm pretty sure a few people in victoria still breed them!!

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  • Topics

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    • revolutionhope
      Good solid advice@jayc :-)


      will

    • jayc
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    • jayc
      Where is @Foxpuppet and @lodo when you need them?
    • Baccus
      I think to a degree volume of water and stocking levels relevant to that volume assists in shrimp size. A couple of years ago I chucked a heap of cull cherry shrimp into my 1000L pond and months later when doing some maintenance on the tank found freakishly large cherry shrimp. This pond didn't get lots of special foods like the tanks did, instead might have only had commercial fish food put in once a week. However did/ does have a large lily plant, other weeds, leaves and fruit (mostly icecream bean fruit and leaves) falling into the pond and plenty of bloodworms naturally colonised, along with dragonfly nymphs which predate on the shrimp. I have never seen such large cherry shrimp again and certainly have never produced any of that size in any of my tanks even the 4ft tanks. So even though shrimp maybe able to do quite well in nano and small tanks I often wonder if we do them a disservice by having them in small tanks, in effect stunting them to some degree. revolutionhope I had also heard about dark substrate bringing out the best colour, however I once had some of the darkest glossy red cherry shrimp on pure white sand, with live plants natural timber and fish. Other shrimp have been just as well coloured on natural coloured creek gravel. Less well coloured or have taken longer to show good colour potential have been on a gravel blend of natural and fluro coloured gravels like what most kids will buy for their first tank because they like the pretty colours. In my black cherry tank I am actually getting to the point of trying to decide in which direction do I want to go with the black breeding program. Since I am now getting blue black shrimp. Some of the shrimp are still a nice solid glossy black but have a distinct dark blue undertone. I wish I could get a photo to show the variation between these blue blacks and true blacks. In this same tank I am still having to remove the odd chocolate, very occasional faint yellow and green, recently pale blue and thankfully even less often now wild type. Oh and if possible with your divided breeding programs try to keep the separate tanks a good distance apart since shrimp are good climbers and sneaky escape artists. Where I have my tanks ( all open topped) one of the tanks has higher sides than its neighbouring tank which is lower. So even though the there is a gap between the tanks I am almost certain that shrimp from the higher tank have managed to flip over the side and by more good luck than planning end up in the lower tank. Some have not been so lucky and then I find crispy dried shrimp on the bench. So if tanks where the same height and butted up side  by side or even one tank divided there is the potential for shrimp to make escape bids and climb into neighbouring tanks. I have even seen photos of shrimp climbing against the flow of a HOB filter return to get into the yummy gunk inside the filter.
    • EBC
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