Isopod?

[stpnrazr]

Saw some of these on a disk with a Montipora I brought home. Tossed the disk, pickled the bugs in ethanol and photographed with a dissecting scope. Look like isopods, but I don't remember having seen anything like them before. Maybe about 1 mm long. Nothing seems to be bothered, but I thought someone may have seen these before.

 

[ISpeakForTheSeas]

Saw some of these on a disk with a Montipora I brought home. Tossed the disk, pickled the bugs in ethanol and photographed with a dissecting scope. Look like isopods, but I don't remember having seen anything like them before. Maybe about 1 mm long. Nothing seems to be bothered, but I thought someone may have seen these before.

A Seroloidean Isopod, commonly called a Sand-skater/Trisobite:

Definitely a Seroloidean isopod - these are also known as Trisobites or Sand Skaters, and they should be harmless/beneficial.

I don't recall coming across a taxonomic key for the individual families in the superfamily at the moment, and photos are pretty scarce for a few of the families, so I can't narrow it down beyond that point at the moment.

 

[stpnrazr]

A Seroloidean Isopod, commonly called a Sand-skater/Trisobite:

Thanks so much for the help!