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Bucket traps for newts

Ralf

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The following pictures were taken during a field trip to newt breeding ponds, organized by the local chapter of NABU (German NGO) / Northern North-Rhine-Westphalia / Western Germany / March 2009.
The pictured traps were used to document breeding activity of the three newt species native to this area (which are aquatic only during spawning season with individual exceptions by Triturus cristatus) and, to some extent, to assess the breeding population of Triturus cristatus (capture-recapture-method by means of individual ventral patterns).
The traps were controlled daily and newts were released back into the ponds after documentation.

The floating trap is secured with a line in the pond. Note that the floating bodies on the sides of the trap are also very important to ensure sufficient airspace underneath the lid of the bucket. Trapped newts would drown without this possibility to breathe.

Trap1.jpg

A view of the interior of the trap. The soda-bottlenecks function as funnels. The newt enters the bucket through the bottleneck, but is not able to leave the bucket again (similar to a trap for minnows or crawfish). Bottom and lid of the bucket are perforated to ensure a quick flooding when the trap is put in place in the water.

Trap2.jpg

Triturus cristatus, Mesotriton alpestris and Lissotriton vulgaris were found in the traps. A nice M. alpestris-female in this case.

Trap3.jpg

There was quite a crowd of children accompanying the grown-ups. Seemed like they all had a great time.

Lissotriton.jpg
 

Nathan050793

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I used a similar method once and had pretty good results. The trap used the same funnel mouth technique and floaters to ensure air-space. I ended up finding a few N.viridescens in the trap after it had been left over night.
 

John

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Very interesting Ralf, thanks for posting!
 

Ralf

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AW: Bucket traps for newts

Not a stupid question at all, Paul. This kind of trap works without bait. The newts are very active during breeding season. They catch themselves by just exploring the breeding pond and its "inventory". :D
 

John

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Re: AW: Bucket traps for newts

Ralf is right. This works on any aquatic salamander you can think of (including Sirens and Mudpuppies).
 

SludgeMunkey

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Very interesting! I have used floating island live traps for turtles in the past, but this method for newts is new to me. Interestingly enough, I have a rather large collection of buckets and plastic bottles here....

I will have to try this one out!
 
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    she should be ok as axolotls can regenerate limbs, the only this i would say is to mabey feed the male more as this type of behavuor is uslay down to hunger.
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    hey, anyone know how long bloodworms can stay in an axolotl tank before they begin to rot and cause an ammonia spike?
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    I think it is always best to get them out asap but probably two days or so.
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    its around 3 small pieces in the tank. Since i've just moved homes, my axolotl is still at my old house. Yesterday i fed him bloodworms and he missed a few. I couldnt get them out without a turkey baster and decided to let them sit because i was gonna move him to the house tomorrow. But now its late and I dont have a car and my dad wont drive me. Will he be fine?
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    yeah, im heading over tomorrow morning to move him to this house and feed him. Thanks for the help!
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    So my axolotl tank cycle just crashed and while i was in the middle of a water change my bucket overflowed and spilled water all of the ground in my brand new home. This is going super well 👍
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    ooff
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    Im so frustrated right now. My axolotl WONT eat and my tank still isnt looking too good. Some extra stress i needed.
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    No, I havent. Im not really sure why he wont eat. Hes in a 1 gallon tub and still a juvenile. When i offer food he swims away from it. Does he need some extra time? or is this something I should be worried about.
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    Hello everyone! I’m new in this world and i need some advices please! I have 2 axolotl babies and currently the water from the tank is from bottled water ( all parameters are good) but i want to change 50% of the water with city tap water. My question is how to change it? Do i need to get axis out, do the change, add the prime, wait (how much?) until its dechlorinated or i can add the tap water directly into the tank with axis in it, and add the prime conditioner? Thank you!!
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    1. You dont need to take them out of the tank to change the water as long as you pour it in slow as to not rattle them around too much
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    2. add the prime to your tap water, for most conditioners the consensus is 5 minutes of waiting time
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    3.After 5 minutes it should be safe to add
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    Thank you so much !!
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    I private messaged you a bit clearer instructions just in case
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    Where can I get blackworms?
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    Ebay or Eastern Aquatics
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