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•  Found this in my larvae tank...

  Change Page: 12 > | Showing page 1 of 2, messages 1 to 20 of 22 - powered by ASPPlayground.NET Forum Trial Version Author Message Freddie83 Total Posts : 50 Scores: 0 Reward points : 74 Joined: 4/6/2013 Location: Savannah, GA, US Status: offline MBI: 25 Pnts MBI Site: Marine Breeding Initiative (MBI) Found this in my larvae tank... Tuesday, April 16, 2013 4:56 PM (permalink) 0 Can anyone tell me what it is?   VIDEO:    #1 bookfish Total Posts : 100 Scores: 4 Reward points : 870 Joined: 5/13/2010 Location: Bay Area, CA, US Status: offline MBI: 0 Pnts MBI Site: MarineLife Aquarium Society of Michigan Re:Found this in my larvae tank... Tuesday, April 16, 2013 5:44 PM (permalink) 5 likely a hydroid http://forums.saltwaterfi...389141/hydroid-problem   #2 Freddie83 Total Posts : 50 Scores: 0 Reward points : 74 Joined: 4/6/2013 Location: Savannah, GA, US Status: offline MBI: 25 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 6:37 PM (permalink) 0 This was free swimming.   #3 GreshamH Total Posts : 757 Scores: 16 Reward points : 600 Joined: 4/27/2011 Location: SF Bay Area, CA Status: offline MBI: 0 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 6:59 PM (permalink) 5 The medusa stage of hydroids are motile.   http://njscuba.net/zzz_bi..y/lifecycle_hydroid.jpg   #4 Freddie83 Total Posts : 50 Scores: 0 Reward points : 74 Joined: 4/6/2013 Location: Savannah, GA, US Status: offline MBI: 25 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 7:04 PM (permalink) 0 Yikes, thank you very much for the info. The larvae have been in a bare bottom tank since 4/11 (5 days ago). Think it might have came with my brood stock water and I'm just now seeing it? Should I begin looking for more?   #5 GreshamH Total Posts : 757 Scores: 16 Reward points : 600 Joined: 4/27/2011 Location: SF Bay Area, CA Status: offline MBI: 0 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 7:10 PM (permalink) 5 Yes, def. keep an eye out for more.  They are horrible for larval tanks given they can kill larvae. I bet it did come from your tank, they are one of the many dangers of using used tank water.   #6 Freddie83 Total Posts : 50 Scores: 0 Reward points : 74 Joined: 4/6/2013 Location: Savannah, GA, US Status: offline MBI: 25 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 7:15 PM (permalink) 0 Ah, no good! Thank you very much for the help. Only three things have gone in my tank: brood stock water, RGcomplete, and Otohime TDO. The larvae is now at 5 days. As soon as they get through metamorphosis I'll move them to the grow out tank. Thank you again.   #7 GreshamH Total Posts : 757 Scores: 16 Reward points : 600 Joined: 4/27/2011 Location: SF Bay Area, CA Status: offline MBI: 0 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 7:35 PM (permalink) 0 Oh sorry, I read it as you used tank water for the larval tank.   I have no idea how it got in there other than cross contamination.  I do not know if they can get airborne or not.     #8 EasterEggs Total Posts : 1946 Scores: 19 Reward points : 735 Joined: 9/22/2011 Location: Saskatoon, SK, CA Status: offline MBI: 590 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 8:24 PM (permalink) 0 Broodstock water.  Don't let fear and common sense stop you! =]   #9 GinaReef Total Posts : 225 Scores: -1 Reward points : 470 Joined: 8/29/2012 Location: Hamilton, ON, CA Status: offline MBI: 205 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Tuesday, April 16, 2013 11:21 PM (permalink) 0 My pair live in a reef tank so broodstock water is tank water.  If I microwave sterilize tank water, will that kill the hydroids, or will that make the water less healthy/useful   #10 EasterEggs Total Posts : 1946 Scores: 19 Reward points : 735 Joined: 9/22/2011 Location: Saskatoon, SK, CA Status: offline MBI: 590 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Wednesday, April 17, 2013 10:29 AM (permalink) 0 I use new saltwater for my larvae.  I take it a step further and sterilize the new saltwater in the hatching/larval tank by adding 1 mL bleach per gallon.  I let that circulate for 12-24 hours, then dechlorinate with sodium thiosulphate about an hour before adding the eggs to hatch.  The eggs are "gently sterilized" by bathing in 5 mL hydrogen peroxide per liter for 15 minutes which seems to kill any hydroids that are attached to the egg tile.  I also scrub the tile everywhere that there aren't eggs.  Some people have poor success using this type of method, but I have decent success (about 98% 24 hour survival).  I am far from an expert though, so don't take this as advice, but rather an idea.  I stole the chlor/dechlor method from KathyL, I think I am doing it the same way she does.  Don't let fear and common sense stop you! =]   #11 reeflover Total Posts : 183 Scores: 0 Reward points : 258 Joined: 11/18/2010 Location: Lakeville, MN, US Status: offline MBI: 175 Pnts MBI Site: Twin Cities Marine Aquarium Society Re:Found this in my larvae tank... Wednesday, April 17, 2013 5:06 PM (permalink) 0 Looks like some sort of jellyfish to me.  What is the diameter of that thing?  Looks to be about 3" across.   #12 JimWelsh Total Posts : 1426 Scores: 14 Reward points : 1486 Joined: 1/22/2010 Location: Angwin, CA, US Status: offline MBI: 1845 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Wednesday, April 17, 2013 5:26 PM (permalink) 0 It is a hydroid medusae (as was stated above).  When I see them, they are typically less than 1/2" (12 mm) in diameter.  If you stand over a tank and say "Artemia" out loud three times in a row, they magically appear .   #13 KathyL Total Posts : 2639 Scores: 13 Reward points : 1504 Joined: 6/6/2010 Location: St. Louis, MO, US Status: offline MBI: 1605 Pnts MBI Site: Marine Aquarium Societies of North America Re:Found this in my larvae tank... Thursday, April 18, 2013 12:58 AM (permalink) 0 Heee. check out Kathy's Clowns, llc website: http://kathysclowns.com Captive bred clownfish and more (Wholesale to the trade.)   #14 KathyL Total Posts : 2639 Scores: 13 Reward points : 1504 Joined: 6/6/2010 Location: St. Louis, MO, US Status: offline MBI: 1605 Pnts MBI Site: Marine Aquarium Societies of North America Re:Found this in my larvae tank... Thursday, April 18, 2013 1:00 AM (permalink) 0 Heee. check out Kathy's Clowns, llc website: http://kathysclowns.com Captive bred clownfish and more (Wholesale to the trade.)   #15 CaptCrash Total Posts : 649 Scores: 0 Reward points : 1295 Joined: 10/23/2011 Location: Perth, WA, AU Status: offline MBI: 2050 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Friday, April 19, 2013 2:24 AM (permalink) 0 Artemia, Artemia .... no perhaps not, I allready have enough issues with them without tempting the wrath of Jim and his devil spawn   #16 JimWelsh Total Posts : 1426 Scores: 14 Reward points : 1486 Joined: 1/22/2010 Location: Angwin, CA, US Status: offline MBI: 1845 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Friday, April 19, 2013 2:38 AM (permalink) 0   #17 GinaReef Total Posts : 225 Scores: -1 Reward points : 470 Joined: 8/29/2012 Location: Hamilton, ON, CA Status: offline MBI: 205 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Sunday, April 21, 2013 12:13 AM (permalink) 0 I have some things that are about an inch across that I thought were some kind of feather duster with a really short tube.  They act like featherdusters.  They have been in the same place, unchanged for months.  They aren't the sessile form of hydroid, are they?   I've never seen any thing that looks like branching.  They are really hard to photograph.   #18 GreshamH Total Posts : 757 Scores: 16 Reward points : 600 Joined: 4/27/2011 Location: SF Bay Area, CA Status: offline MBI: 0 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Sunday, April 21, 2013 3:15 AM (permalink) 0 sounds like hydroids to me   #19 Freddie83 Total Posts : 50 Scores: 0 Reward points : 74 Joined: 4/6/2013 Location: Savannah, GA, US Status: offline MBI: 25 Pnts MBI Site: Marine Breeding Initiative (MBI) Re:Found this in my larvae tank... Sunday, April 21, 2013 11:10 AM (permalink) 0 Since taking this picture, I've found 2 more of these in my larval tank.   #20 Online Bookmarks Sharing: Facebook Digg Google del.icio.us StumbleUpon Change Page: 12 > | Showing page 1 of 2, messages 1 to 20 of 22 - powered by ASPPlayground.NET Forum Trial Version

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