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FAQs on the Algae Eating Blennies Behavior

Related Articles: Algae Eating Blennies, True or Combtooth Blennies, Ecsenius BlenniesTube/Pike/Flag Blennies/Chaenopsidae,

Related FAQs: Algae-eating Blennies, FAQs 2, & Algae Eating Blenny (AEB) Identification, AEB Compatibility, AEB Selection, AEB Systems, AEB Feeding, AEB Disease, AEB Reproduction, & Combtooth Blennies 1, Blenny Identification, Blenny Behavior, Blenny Compatibility, Blenny Selection, Blenny Systems, Blenny Feeding, Blenny Disease, Blenny Reproduction, Ecsenius BlenniesSaber-Tooth Blennies, Blennioids & their Relatives, Tube/Pike/Flag Blennies/Chaenopsidae,

Lawnmower Blenny... beh./hlth.  03/06/2008
Hello
<<Hello, Andrew today>>
I have a 55 gallon tank i thought i had enough algae in it so i got a lawnmower blenny, but now his mouth is open and he seems to be breathing fast i have heard it has something to do with him not getting enough to eat.
<<Quite possible>>
But i wasn't sure so i tried feeding him two different things out of my frozen multipack and putting some of the sheet algae but he isn't interested in it i was wondering if you had any suggestions?
<<You could try feeding the blenny on other herbivore based feeds like Spirulina, had personal joy with marine algae pellets and wafers ( the sinking variety )>>
<<Hope this helps. A Nixon>>

Silly Blenny, or Sick Fish?
Hey crew,
<Hey Scott F. here today!>
I notice that my algae blenny every once in a while will rub up against the rocks.  He doesn't do it very often and has done it for quiet some time.  Is there a normal behavior of blennies doing this, or is it ich?? I searched the forums but didn't really find a definitive answer.
Thank you, Todd
<I've seen various blennies engage in this behavior periodically without them being ill. They are kinda goofy characters at times. My advice is to simply keep a good eye on the fish and be prepared to take action should symptoms manifest themselves. Good luck! Regards, Scott F>

The corals don't like the Blenny
Hi,
<Hi Lisa!>
I got a rock with a few orange/purple Ricordea and another with green  star polyps about 1 1/2 weeks ago. They were doing great until I got a  Sailfin blenny. He climbs all over the rocks and occasionally the  corals. He knocked the Ricordea rock over 2 times!
<Hee Hee!  Very normal Blenny behavior.  They don't seem to care much what they "climb" over or perch on, and in fact, mine will forcibly throw objects off of his favorite perch!>
The first time he  just tapped it and they seemed fine, 2nd time it was flipped and  sitting on one of the shrooms. I finally got some glue but when I  picked up the rock I realized the Ric was only partially attached to  the rock. It also has a small chunk missing, the purple looks grayish and the mouth does too.
<Gluing or otherwise attaching corals is a wise choice to prevent such falls.>
Is it dead or injured? Anything I can do to  save it?
<It sounds like it is a bit  bleached.  It should recover quickly and completely if you prevent further insults.>
As if that's not enough trouble from the blenny, he's also upset the  GSP. They were 1/2 closed up after the first day w/the blenny, now  they've been closed solid for 2 days. Are they OK? Will they get used  to him?
<It is normal for GSP's to periodically close for a while.  If you are sure it is the Blenny, they may adapt, but it is probably best to move the GSP's out of his territory.
Thanks,
Lisa Spencer
<best regards!  Adam>

- The Amazing, Changing Lawnmower Blenny -
I have a lawnmower blenny who is fat and happy. <Glad to hear it.> I have noticed since I got him that he appears to have the ability to change color depending on stress level and depending on what his environment is. I recently added a lot of new live rock and it is covered in coralline. Now the back half of my blennies has a slightly purple tinge. Wondering if this is a ability they have or if it is an illusion or if I am just plain crazy? <Neither one actually... all fish can alter their colors to some extent, although most aren't chameleons some, like a couple of the flat fish have an uncanny ability to match their surroundings. Most others instead have what's known as a night/fright pattern, typically something that offers an additional amount of protection in the dark - like extra eye spots, etc. On the flip side, and in captivity it is not uncommon for a fish to fade its colors, many times due to nutritional deficiencies. What could happen in this case is a combination of factors - perhaps a response to environment, perhaps also a response to being fat and happy.> I have been searching Q&A's and blennies info and have turned up nothing. Any insight? <I say no worries.>
Its a mystery now and I would love a expert opinion.
Thank you
Susan
<Cheers, J -- >

Re: Neat Blenny
Bob:
Here is a picture that you may enjoy.  it sure to inspire those who are struggling with this addiction we call a hobby.  This little blenny has tons of personality.  Sometimes we are so busy working on our tanks that we don’t take a few minutes to enjoy the habitat that we have created.
<Indeed. Thank you. Bob Fenner>
Enjoy: Dan Sovetsky

Napping Salarias in a Softy 12/24/05
Happy Holidays WWM, <And to you>
I few quick question for you,  tonight I decided to watch my reef tank after the lights went out, and to my surprise I seen my Lawnmower Blenny, S. fasciatus napped out in my Colt Coral, Alcyonium sp.  It looked as if he is trying to make it his host like a Clownfish.  Has this ever been seen before?  Is it a normal behavior for the blenny to sleep in corals?  I notice that all the polyps on the Colt had retracted while he was in it; could he eventually harm the coral?  If I can get a picture I'll send it to you.  Thanks again and have a Merry Christmas and a Happy New Year!
<Nothing unusual, just finding a room for the night.  James (Salty Dog)>
Bryan

Lawnmower Blenny Behaviour 4/6/2006
Hello!
<<Hey Sonny!>>
My lawnmower blenny moves up and down so fast at the corner of the tank, and stays at the top of the water right beside the filter. He looks like gasping air, and he does that mostly up side down.
<<Wow, that doesn’t sound good.  These fish tend to use their mouths some when breathing, but certainly not upside down often.>>
It started about a week ago. All the test results are fine.
<<Actual number readings are helpful here.>>
It is a fish only tank.46 gallon with 4 clowns, a vermiculated angel, a hermit crab, and the lawnmower blenny in it. Do you have any idea what could be the problem?
<<While I do not know what your water chemistry is like, nor do I know how long you have had this fish, my guess is that the problem is environmental.  A 46-gallon tank is simply too small for this fish, not due to its size, but due to nutritional requirements.  They need LOTS of filamentous green algae in their diet, and if your tank lacks this, it will starve.  Read here: http://www.wetwebmedia.com/algblenfaqs.htm.>>
Thank you in advance, Sonny.
<<Glad to help.  Lisa>>

Disappearing Lawnmower Blenny   2/7/06
Hello All:
I first want to say as most have done before me that your site has helped us in many ways.
<Glad to hear that! Scott F. with you tonight>
We have a 120 Gal saltwater tank that is about 7 weeks old, with about 13 pounds of live rock and a few pieces of medium to small coral, a few shells and a couple of handfuls of live plant, a Domino Damsel (despite what we've read is very friendly with it's tank mates) a Coral Banded Shrimp ( he can be nasty at times but stays with the live rock mostly) a Purple Dottyback, a Hermit Crab, 2 Emerald crabs, a Striped Goby and a Red Emperor, and my favorite of all, The Lawnmower Blenny.
<One of my favorites, too!>
We have had the Blenny for about 5 weeks. He used to be very active and skip about with a ton of personality. Last week he cleared away some of the crushed coral and sand and" moved into" one of the shells. He does not come out much any longer and if he does it is just for a very few seconds and then goes back into the shell and peeks out. I have the algae sheets in the tank for him to feed on and sometimes he will eat the flake or thawed shrimp.  Why would he all of a sudden  " hide out " ? He was/is so much fun to watch. Thank you in advance for any and all help.  
Charlene & Todd
<Well, it's hard to be 100% sure why a fish disappears. It is certainly a possibility that the fish is sick or injured, and simply needs to recover in peace. It may also be that the fish is otherwise stressed and is responding to some disturbance. In all likelihood, the fish is imply going through "a phase", and, if in otherwise good health- he'll head on back out to mingle with his tankmates once again. The fact that he is eating is a very good sign! I'll bet that he'll be out and about again in due time! Hang in there! Regards, Scott F.>

Atrosalarias fuscus Going Berserk 7/26/07
Crew,
<Hello>
I have a Brown Combtooth Blenny that is going gangsta on my fish. My display is 110 gallons, with 65lbs live rock. My fish stock is the offending bully, a Sailfin Tang, a gold stripe maroon, and a Royal Gramma. <All are known to be aggressive, particularly the Maroon clown.> Seems that my tank is plenty big for my stock. <Probably, but then we don't really get to decide this, its up to the individual fish to determine how big their territory needs to be.> The Atrosalarias seems especially eager to pick on the Gramma, but he's not above chasing the Sailfin Tang around. He's not even partial to one rock--he seems to follow the Gramma all then pounce like a fisher cat. Is this normal?? I thought these blennies were supposed to be fairly peaceful as long as they weren't mixed with similar blennies??
<I would guess that the Gramma's body type is close enough to the blenny's and triggering a aggressive response.>
Andy
<Chris>

 

 

 


 

 

 

 

 

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