Cup Coral ID + story

Wilsoni

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@Lionfish Lair and I were discussing this in another members thread and I figured I would create my own to continue the discussion.

I found this hitchhiker growing on the side of a dead gorg at my LFS, it was half covered in sand with two tiny tentacles peeking out. I easily identified it as being NPS LPS with a quick glance, so naturally I convinced them to let me adopt it. They gladly let me take it as they assumed it was a pest anemone...

I was stoked to bring it home and mount it on a plug to add to my collection of NPS corals. I dipped it and it literally opened up within several minutes of introducing it into my tank which was rather surprising.



Upon my initial inspection with it's arms extended, I ventured to the internet to help identify it. I quickly discovered that it was a Cup Coral. Presumably the Devonshire Cup Coral as that was the first I found which matched up. Upon keeping it for several months I no longer believe it's a Devonshire and suspect it to be a different species falling within the Caryophyllia family.

Needless to say it's a quirky coral that most would overlook but I happen to find rather beautiful as the white Nematocysts glow nicely under blue LEDs.

I'd like to think I'm fairly knowledgeable when it comes to identifying NPS species as I've done countless research on them but this one specifically has me stumped.



Any insight to a more positive ID is appreciated and shared stories about similar experiences in keeping quirky hitchhikers are encouraged too! :D
 
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@Wiz you can somewhat relate with your desire to house a Eunicid. I know the two are completely different but it takes a certain type of reefer to be passionate about keeping a hitchhiker. ;)
 
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I have several cup corals in my tank. They hide by day but come out like crazy when I feed coral frenzy :)

Really? Mine stays open all day but so do all of my NPS corals. Do you have any pics of yours? Did they come in on a specific type of rock? I'm curious to learn more about your experience in keeping them (:
 
My photo was taken shortly after feeding it Fauna Marin LPS Color/Grow Pellets. It has two baby heads growing around the base which are retracted in the pic.
 
That thing is beautiful! Defanitly a score In my book! Looks like a cross between a trumpet coral and a tube nem. Super cool!
 
The rock is Florida aquacultured live rock. I have about a dozen of these guys scattered throughout my 125 display tank and 55 gallon sump.
 
That thing is beautiful! Defanitly a score In my book! Looks like a cross between a trumpet coral and a tube nem. Super cool!

Thank you! Every time somebody sees my tank it's one of the first things they notice actually. Haha
 
I believe mine are hidden cup corals since those are native to the Caribbean.

Do they look similar to mine? Also can you describe the growth pattern?

The reason I ruled Devonshire out was due the the fact that it's a solitary species whereas mine has babies sprouting from it's base.
 
I have two or three pairs of hidden cup corals, so I presume they propagate as you described.

Mine look exactly like yours, and the tentacle length can be anywhere from 1-3 cm, depending on conditions.
 
Since we are on the topic of NPS corals, I figured I would share a few of my others as well.

My happy Fatheads





Also here's unidentified species I have. They have long orange tube structures and were growing sporadically on the colony I fragged them from.



As a bonus even though it's photosynthetic, here's a picture of my Walking Dendro :D
 
By the way, I'm assuming your cup corals are nearly translucent and that you took your photo under actinic light with something like an orange filter.
 

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