Author Archives: andrew

I’d given up on all the test tanks other than the one with sg 1.008.  Today, though, I found post-larvae living and growing in two other tanks — 1.016, and the one between (presumably about 1.012.)   This suggests that … Continue reading →

  For a couple of months I’ve been hoping that the offspring of the orange shrimp would color in as they reached maturity.  They’re about half-grown now, and they’re all still shades of brown and clear. For comparison, here’s a … Continue reading →

A couple of days ago I collected a few hundred zoes from this ‘Christmas shrimp’: I’m pretty sure that this is the same kind that was sold in Singapore as ‘ninja.’ It definitely does the ninja color-changing thing… the pictured … Continue reading →

Here is the high-tech equipment that I’m using to photograph my plankton. The center of attention is two microscope slides sealed together with a 3mm gap betwixt. You wouldn’t think that depth of field would be an issue with a … Continue reading →

Yesterday the ‘Borneo orange’ zoes started metamorphosing into post-larvae. The visual change isn’t very dramatic, but their behavior is totally different. Rather than hovering in the water column occasionally puttering backwards, now they perch in one place and occasionally zoom … Continue reading →

24-hour lighting may work after all.  The ‘borneo orange’ zoes in the tank second-from-the-left, specific gravity 1.008, are thriving.  That’s well below what I would have guessed, but a bit of googling suggests that that’s right in the middle of … Continue reading →