Alex’s IM 150 EXT

I second springeri as potential flatworm eradication. Worked for me along with a yellow wrasse. Though a dragonet might work too.
If you go that route just make sure its the right springeri.. There is a blue one with blotchy black spots that LF sell around here that are a different sub but sold as a true soringeri

IMG_3325.jpeg
 
If you go that route just make sure its the right springeri.. There is a blue one with blotchy black spots that LF sell around here that are a different sub but sold as a true soringeri

View attachment 73701

Yes, I have this guy in my tank. But I guess he needs help.

IMG_2686.jpeg
 
Spotted Mandarins eat flatworms and will peck at them off your rockwork. Try to find a pair to add. They will follow each other around and hunt together. They’ll eventually do the mating ritual dance which is interesting.

Thank you. Looks like the time has finally come to get a pair of them.

The only thing I am unsure of is, similar to the springeri, if there is a particular type which eats them (latin name). From what I am reading, these are the two types which should be effective:
  • Synchiropus picturatus
  • Synchiropus stellatus
Happy to hear any thoughts to these.

However, I believe these are not easy to go through quarantine I believe. Will need to reach out to @under_water_ninja.
 
Thank you. Looks like the time has finally come to get a pair of them.

The only thing I am unsure of is, similar to the springeri, if there is a particular type which eats them (latin name). From what I am reading, these are the two types which should be effective:
  • Synchiropus picturatus
  • Synchiropus stellatus
Happy to hear any thoughts to these.

However, I believe these are not easy to go through quarantine I believe. Will need to reach out to @under_water_ninja.

Spotted Mandarins eat flatworms and will peck at them off your rockwork. Try to find a pair to add. They will follow each other around and hunt together. They’ll eventually do the mating ritual dance which is interesting.


Spotted Mandarin aka Synchiropus picturatus
 
FWIW there's tons of different flatworm species so biological control might only work for some. I didn't have any luck against either the noxious red planaria type (that doesn't go into corals) and euphyllia specific flatworms with these fish:

Spotted mandarin
Yellow wrasse
Pink streak wrasse
Both versions of the springeri damsel
Buan's goby
Sixline wrasse

I was able to kill these flatworms with Reef Primer dipping. That actively melted them whereas pine oil based dips just irritated them.
 
FWIW there's tons of different flatworm species so biological control might only work for some. I didn't have any luck against either the noxious red planaria type (that doesn't go into corals) and euphyllia specific flatworms with these fish:

Spotted mandarin
Yellow wrasse
Pink streak wrasse
Both versions of the springeri damsel
Buan's goby
Sixline wrasse

I was able to kill these flatworms with Reef Primer dipping. That actively melted them whereas pine oil based dips just irritated them.

I second the six-line and springeri, I am not sure about the melanurus, but there might also be too many of them so maybe this is an unfair assessment.

Regarding dips though, I feel all seem to work well for me, and they come easily off. The best dip was RODI but as I stated above, this is not recommended :).
 
Melanurus, a green corsis and yellow corsis wrasse were the 3 that nuked the flatworms for me. Flatworm exit i used 4 different times it was only a temporary solution while I was fishless. They vanished in 2 weeks after adding those 3 wrasses.
 
Melanurus, a green corsis and yellow corsis wrasse were the 3 that nuked the flatworms for me. Flatworm exit i used 4 different times it was only a temporary solution while I was fishless. They vanished in 2 weeks after adding those 3 wrasses.
Channeling Jake Adams here: there's no such thing as a yellow coris wrasse. There's the yellow wrasse AKA Halichoeres chrysus:
1759438251575.png


and the yellow and purple wrasse Halichoeres leucoxanthus:
1759438153905.png


The main difference is the white belly and the fact they live in the Indian Ocean. Both pictures are likely males vs. more plain looking juveniles.
 
Channeling Jake Adams here: there's no such thing as a yellow coris wrasse. There's the yellow wrasse AKA Halichoeres chrysus:
View attachment 73727


and the yellow and purple wrasse Halichoeres leucoxanthus:
View attachment 73726

The main difference is the white belly and the fact they live in the Indian Ocean. Both pictures are likely males vs. more plain looking juveniles.
Not sure that's what they were label as at Ac.

Though mine have the same 3 black dots as my melanurus wrasse.one bright yellow other almost a pastel white (label and told it was a green one)

Screenshot_20251002_140926_Google.jpg


Just like this picture.
 
If you go that route just make sure its the right springeri.. There is a blue one with blotchy black spots that LF sell around here that are a different sub but sold as a true soringeri

View attachment 73701
I have somewhat splotchy one, I've never seen him eat one but flatworms have disappeared. Not sure if it's due to tank maturity or due to the fish
 
Not sure that's what they were label as at Ac.

Though mine have the same 3 black dots as my melanurus wrasse.one bright yellow other almost a pastel white (label and told it was a green one)

View attachment 73728

Just like this picture.

It was most likely labelled yellow coris, but its always been a bogus name to use as its misleading (by design).

Its the scientific name.

actual Coris:
Red coris... Coris gaimard

not actually a Coris:
yellow coris...Halichoeres chrysus
green coris... Halichoeres chloropterus
 
It was most likely labelled yellow coris, but its always been a bogus name to use as its misleading (by design).

Its the scientific name.

actual Coris:
Red coris... Coris gaimard

not actually a Coris:
yellow coris...Halichoeres chrysus
green coris... Halichoeres chloropterus

Thanks, yellow and green
The two lower ones you posted based on pictures are what mine are. Seems the spots I spots on the fins go away as they mature. I got mine very small.
 
Thanks, yellow and green
The two lower ones you posted based on pictures are what mine are. Seems the spots I spots on the fins go away as they mature. I got mine very small.

Yeah, the spots go away and the face gets a pattern. Adults are pretty cool looking, but they tend to really do "work" to snails. They are effective!

Those juiv's, the soilid green or red, come on gang bagged when imported. The real coris are shipped individually. Shipping cost alone is quite different.
 
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