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Old 11-23-2011, 09:09 PM   #1
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blue regal tang

i don't understand why the blue is bigger than the yellow and they say you need 55 gal for blue and 75 for yellow and the blue gets two inches bigger.is the blue less active?the store i go to has a baby blue but they told me they get diseases easy
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Old 11-23-2011, 09:13 PM   #2
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Both Yellow and Blue Regal tangs need at least 6 feet of swimming space, basically a 125+ gallon tank. Both are equally active. They get stressed and can get growth stunts in smaller tanks.

In a 75 gallon tank, you could have a Kole Tang. I have one in my 90 and it swims around all day looking for algae.
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29 Biocube Reef - 1 Chalk Bass, 2 Black and White Clownfish, 1 Yellow Watchman Goby, 1 Fire Goby
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Old 11-23-2011, 09:15 PM   #3
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why do the marine books give those gallon recommendations
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Old 11-23-2011, 09:21 PM   #4
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Quote:
Originally Posted by dwint View Post
why do the marine books give those gallon recommendations
How old is the marine book? If it is old, then it could be outdated information. If it is recent, then it is flat-out wrong. A Blue Tang cannot live in a 55 gallon tank, and a Yellow Tang should not be in a 75.

Many people have different opinions on how large a tank Tangs need. LiveAquaria is usually a trusted site. 125+s for each is usually what is recommended though.

Yellow Tang care link (this one says 100 gallon minimum) : Saltwater Aquarium Fish for Marine Aquariums: Yellow Tang - Hawaii

Blue Regal Tang care link (this one says 180 gallon) : Saltwater Aquarium Fish for Marine Aquariums: Blue Tang
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90 Gallon Reef - 3 Blue-Green Chromis, 2 Ocellaris Clowns, 1 Kole Tang, 1 Midas Blenny, 1 Longnose Hawkfish, 1 Zebra Dartfish, 1 Algae Blenny, 1 Six-Line Wrasse
29 Biocube Reef - 1 Chalk Bass, 2 Black and White Clownfish, 1 Yellow Watchman Goby, 1 Fire Goby
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Old 11-24-2011, 10:57 AM   #5
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Ya I would say 125+ for both fish and MOST tangs. Alot need bigger tanks. You never really see big blue tangs IF you dont have one, and I went to a place the other doay where its was 1'+. Never stopped swimming.
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Old 11-24-2011, 01:52 PM   #6
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Look at it this way. Are you more comfortable living in a 20x20 room or a 4x6 room.

Gallons is an outdated way of looking at things. Actual amount of length, width, and height are what you should go by. A standard 125g(72x18x24) is fine for most tangs except the jumbo ones. The more room they have, the happier they are. No matter what fish
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Old 11-24-2011, 07:50 PM   #7
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Yup! Unless in that room they're going to get eaten lol. Gl!!!!!
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Old 11-24-2011, 07:54 PM   #8
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I think a yellow tang can live just fine in a 75g. They don't get to be that big....
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Old 11-24-2011, 08:06 PM   #9
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Ya it maylivebut I've seen them 8in. Eight inches that swims all the time should have a 125
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Old 11-24-2011, 08:30 PM   #10
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Very few will ever reach 8". Most go to ~6".
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