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General Tarantula Discussion
Question about sexing—
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<blockquote data-quote="Theneil" data-source="post: 215288" data-attributes="member: 28512"><p>i haven’t logged in in a while…</p><p></p><p>Yes. i bought a digital microscope off amazon with a built in screen. (cost about 100 bucks at the time of purchase) While there is biologically no minimum age/size that i’m aware of, fine motot skills, identification skills, and the quality of equiptment start to become major factors when you start getting into very small/young specimens. i find for most ‘average’ size species, sexing ith my microscope is usually reasonably possible at about 1.5” though not at all quick and easy most of the time, and 2-2.5” is usually where it becomes very quick and easy for me to unravel and identify what is necessary for sexing. under 1.5” and the view quality can become a limiting factor as the organs are both tiny and transparent, they can be easilly overlooked even with top notch equipment, and with budget grade (like mine) can become lost in the resolution, especially if the light doesn’t it it just right, and/or you poke around to move things.</p><p></p><p>With smaller species (like cyriocosmus elegans) where the spermathecae are more developed in a 1/2” spider, it’s easy to identify, and usually the limiting factor is not seeing, but simply being able to unravel the molt before accidentally destroying it. personally, i don’t thinknimve seced anything smaller than 1/2” legspan, and usually i’m not willing to even take the time to attempt it…</p><p></p><p>i’ll attatch a photo (camera pic of my microscope screen) to show the molt of a female Avicularia merianae. I think this little lady was a little under 1.5” DLS, but i don’t remember for certain. It does show though how easy it is to miss, and if you go smaller, it get’s exponentially easier to overlook.</p><p>[ATTACH=full]66878[/ATTACH]</p></blockquote><p></p>
[QUOTE="Theneil, post: 215288, member: 28512"] i haven’t logged in in a while… Yes. i bought a digital microscope off amazon with a built in screen. (cost about 100 bucks at the time of purchase) While there is biologically no minimum age/size that i’m aware of, fine motot skills, identification skills, and the quality of equiptment start to become major factors when you start getting into very small/young specimens. i find for most ‘average’ size species, sexing ith my microscope is usually reasonably possible at about 1.5” though not at all quick and easy most of the time, and 2-2.5” is usually where it becomes very quick and easy for me to unravel and identify what is necessary for sexing. under 1.5” and the view quality can become a limiting factor as the organs are both tiny and transparent, they can be easilly overlooked even with top notch equipment, and with budget grade (like mine) can become lost in the resolution, especially if the light doesn’t it it just right, and/or you poke around to move things. With smaller species (like cyriocosmus elegans) where the spermathecae are more developed in a 1/2” spider, it’s easy to identify, and usually the limiting factor is not seeing, but simply being able to unravel the molt before accidentally destroying it. personally, i don’t thinknimve seced anything smaller than 1/2” legspan, and usually i’m not willing to even take the time to attempt it… i’ll attatch a photo (camera pic of my microscope screen) to show the molt of a female Avicularia merianae. I think this little lady was a little under 1.5” DLS, but i don’t remember for certain. It does show though how easy it is to miss, and if you go smaller, it get’s exponentially easier to overlook. [ATTACH type="full"]66878[/ATTACH] [/QUOTE]
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