Please help me identify these copepods (microscope image)

[Tripod1404]

Hey guys, I have large number of these guys on my glass. They look like non of the common copepods.

https://uploads.tapatalk-cdn.com/20180213/fe6d6730900d765518d111b65c83dd4a.jpg

https://uploads.tapatalk-cdn.com/20180213/c88c5a6b41bedaf5fd100bc7fd479d35.jpg.


It is not clear under the microscope but the the triangle part is actually bright red. I assume that is the gut, so it might just be what it ate. Based on what it collected under its carapace, I thing it is a phyto/algae eater. You can see lots of green algae cells under the sides of the carapace. It is also not clear due to the focus of this particular images but the mass at the back side contains many globular structures, which I assume to be eggs.


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[Tripod1404]

An update, based on what I found out. It might actually not be a copepod but an isopod. It looks similar to grazing isopods called as sand skaters.

[AlSimmons]

It just looks like a common Copepod to me.

https://www.lionfishlair.com/hitchhikers-guide/

http://reefkeeping.com/issues/2002-10/rs/index.php

[Tripod1404]

It just looks like a common Copepod to me.

https://www.lionfishlair.com/hitchhikers-guide/

http://reefkeeping.com/issues/2002-10/rs/index.php

Oh yeah it looks exactly like the copepod in the image. But that one is not a common copepod either, it have a different morphology compared to copepods like tisbe or californicus.

I couldn't find a single article that states the name of the critter.

[Tripod1404]

Okay finally found what it is. It is a harpacticoid copepod.