Privateer Posted March 5, 2019 Share Posted March 5, 2019 Ok...couple questions...I have a 24x24 , 30 gallon, total system about 42 gallons with sump. I have a minor flatworm issue and after using Salifert exit twice , I still have a few. I am considering a 6 line or melanurus wrasse. I understand the melanurus wrasse is more likely to eat the flatworms but am concerned that my tank is big enuff.Thoughtson tank size? Also...how fine of sand do I need for them to be able to hide in it? Tank mate would be a starry blend and citron gobie...any issue there? 1 Quote Link to comment
WV Reefer Posted March 5, 2019 Share Posted March 5, 2019 25 minutes ago, Privateer said: Ok...couple questions...I have a 24x24 , 30 gallon, total system about 42 gallons with sump. I have a minor flatworm issue and after using Salifert exit twice , I still have a few. I am considering a 6 line or melanurus wrasse. I understand the melanurus wrasse is more likely to eat the flatworms but am concerned that my tank is big enuff.Thoughtson tank size? Also...how fine of sand do I need for them to be able to hide in it? Tank mate would be a starry blend and citron gobie...any issue there? Never had a melanurus but My six line eats them. And she doesn’t go in the sand. Quote Link to comment
Humblefish Posted March 5, 2019 Share Posted March 5, 2019 Tough call. A sixline is more suitable for your size aquarium, but they can become aggressive towards other fish when they get big. A melanurus can grow to almost 5" but they usually aren't overly aggressive. Both will eat flatworms and other pests. A Yellow Coris Wrasse is the same genus as the melanurus, but sometimes stays a little smaller. Their upside is they aren't as likely to eat CUC as a melanurus. Great pest eater too. Quote Link to comment
Tamberav Posted March 5, 2019 Share Posted March 5, 2019 Springer damsels are also known to be fairly passive and have a love for flat worms. They are an amazing electric blue. 1 Quote Link to comment
jservedio Posted March 19, 2019 Share Posted March 19, 2019 I wouldn't ever buy a fish to deal with a pest, but that's me. If you like having pods or a CUC, don't get a wrasse. My melanurus lives in less than 1/2" of sand and can't fully bury himself, but he's been in there for more than 4 years. They make a ton of poop, so are a heavy bioload, and kill and eat everything that cleans it up. Unless it's a mature tank, probably not good to get a melanurus. What kind of flat worms are we taking here? Quote Link to comment
Privateer Posted March 19, 2019 Author Share Posted March 19, 2019 1 hour ago, jservedio said: I wouldn't ever buy a fish to deal with a pest, but that's me. If you like having pods or a CUC, don't get a wrasse. My melanurus lives in less than 1/2" of sand and can't fully bury himself, but he's been in there for more than 4 years. They make a ton of poop, so are a heavy bioload, and kill and eat everything that cleans it up. Unless it's a mature tank, probably not good to get a melanurus. What kind of flat worms are we taking here? Red planarian flatworms...I’ve pretty much decided against adding a fish to deal with them, as strange as it sounds my blenny and my citron have an odd friendship that I’m afraid a Third fish will screw up Quote Link to comment
BlennyBoi Posted March 19, 2019 Share Posted March 19, 2019 id go sixline. i just like the colours on my sixline. also my tank is too small for a melanurus Quote Link to comment
Jesterrace Posted March 23, 2019 Share Posted March 23, 2019 Avoid the 6 line unless you want the fish equivalent of a serial killer once it matures. Wrasses need horizontal swimming space and a 2 foot cube doesn't do much for them in that department. Possum or Pygmy Wrasses are the only ones suited to that long term. Melanurus gets way too big and needs a 4 foot long tank. I have one in a 90 gallon and it makes use of every inch of space in that tank (and it's only half grown). 2 Quote Link to comment
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