Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby FuEl » Wed Dec 16, 2009 11:27 am

Not sure what stage they are at? Crab 1? Some help spawner? :)

I did these guys with air, not the best as I think crab 1 stage has many fragile legs.

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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby till » Wed Dec 16, 2009 11:35 am

Very nice! :)

they look like megalopa to me.
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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby FuEl » Wed Dec 16, 2009 11:38 am

Hmm..not too sure either. There was a stage before this in which they were on the floor most of the time without the legs. Maybe I should know in another day or 2.
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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby FuEl » Wed Dec 16, 2009 11:43 am

Just checked Calado's ornamental shrimp bible. Yes till, I guess they are still at megalopa. Wonder how would crab 1 look like. :roll:
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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby till » Fri Dec 18, 2009 3:39 pm

Interesting. How long did it take them to get to the first benthic stage?
Wonder how would crab 1 look like. :roll:

hope we will know that very soon! ;) Did you try some settlement cues, yet?
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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby FuEl » Sat Dec 19, 2009 7:55 am

Hi till,

Never tried settlement cues. This is a very rough attempt. If I was serious I would have used a kriesel using water movement rather than tumbling the poor zoea around with air. I have the megapola in a fine mesh net that is suspended in water. I have 2 megalopa left. It took about 7-8 days for them to become megalopa if I remember correctly.

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Re: Carribean Arrow Crab (Stenorhynchus seticornis) juveniles

Postby spawner » Sat Dec 19, 2009 10:45 pm

They are megalopa. I had a bunch about 7 years ago.
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