(put title here)

*INTERNATIONAL SURVEY ON REEF AQUARISTIC*	USA	REST WORLD

*USA vrs. REST WORLD*	n=297	n = 386

All numbers in %



#1 A
*SEX*
male	91	95
female	9	5
#1 B
*AGE*
0-9 years	0	0
10-19 years	5	2
20-29 years	32	17
30-39 years	39	40
40-49 years	19	20
50-59 years	3	10
60-69 years	0	3
>70 years	0	1

#2
*I have been an aquarist for years...*
0-1 year	7	5
1-3 years	12	9
4-6 years	19	11
7-10 years	21	15
>10 years	41	60

#3
*I have been a marine aquarist for years…*
0-1 year	19	13
1-3 years	24	19
4-6 years	21	20
7-10 years	19	18
>10 years	20	28

#4	USA	REST WORLD
*I was motivated to try marine aquaria be cause I…*
Was impressed by anothers aquarium	23	37
Read about the natural coral reef	9	13
Read about the coral reef aquarium	8	18
Saw an impressive aquarium in a pet shop	30	17
I am especally interested in reef biology and/or in biology in general	22	32
Visited a coral reef	9	12
Other causes	14	16

#5
*My main interest in marine aquaristic is*
Stony corals	22	18
Other cnidaria	3	36
Invertebrates in general	61	50
Fishes	21	45
Other organisms	2	6
The technique only	2	11
#6 A33
*I now have marine aquaria*
1 aquarium	48	68
2 to 3 aquaria	38	25
4 to 10 aquaria	9	5
More than 10 aquaria	4	1

#7
*My aquarium contains liters of water including the filter volume*
<100 liters	7	4
101-200 liters	22	7
201-500 liters	46	39
501-1000 liters	18	36
>1000 liters	4	14

#8	USA	REST WORLD
*My main aquarium has been in operation for years*
<=1 year	41	26
1-2 years	26	20
2-5 years	24	35
>5 years	9	18

#9
*My main aquarium was bought a a finished tank or I made it myself…*
bought as a complete aquarium	66	60
made it myself	34	40

#10
*My main aquarium must be classified as…*
a mixed show aquarium with a vireity of invertebrates and fishes	62	72
an aquarium where the fishes dominate	8	5
an aquarium for clown fishes and host sea anemones	2	2
a stony coral aquarium	15	15
a soft corals aquarium	8	9
a special aquarium	5	1

#11
*I have animals that I cannot identify*
a lot of	3	3
some	15	13
few	26	19
almost none	55	64
#12
*On a scale from 5 (best) to 0 (worst) I would say that my success with reef aquarium so far has been…*
0	0	0
1	0	1
2	5	5
3	23	34
4	51	44
5	21	12
	USA	REST WORLD
#13
*The biggest problem I have had with my aquarium has been linked to…*
algae	32	37
technique	7	5
lack of knowledge about the organisms	13	9
water chemistry	20	24
other topics	28	23

#14
*I am a regular reader of an aquarium magazine…*
yes	83	73
no	17	27

#15
*I read most about…*
technique	59	59
the biology of reef organisms	40	63
other topics	3	12
I mostly view the pictures only	1	6

#16
*Prior to starting my aquarium I read…*
a lot	56	58
some	26	28
little	10	6
almost nothing	7	7
#17
*I am a member of an aquarium club ?*
yes	28	51
no	71	49

#18
*My membership in the club is for developing the skills needed for the hobby*
*(ANSWERS FROM THOSE WHO HAVE ANSWERED "yes" IN # 17 ONLY)* very important	32	73
of minor importance	31	20
not important at all	23	7
#19	USA	REST WORLD
*I have dived on a coral reef ?*
yes	55	50
no	47	49

#20
*My filter technique is at first hand based on…*
undergravle filter	5	5
external biological filter	20	37
proteinskimming	88	91
carbon filter	19	21
mechanical filtration	16	35
ozone	2	12
UV	6	12
others	14	6
I use no filters at all	2	1

#21
*I addition I occasionally use…*
undergravle filter	0	2
external biological filter	3	10
proteinskimming	4	6
carbon filter	42	20
mechanical filtration	16	24
ozone	3	10
UV	4	12
others	8	7

#22
*For adding calcium I use…*
no adding	10	11
"kalkwasser"	54	52
"kalkwasser" with CO2	1	3
"kalkwasser" with CO2 and pH control	2	4
carbon reactor with calcareous material and CO2-adding	6	16
carbon reactor with calcareous material, CO2-adding and pH control	6	14
other type of calcium adding	41	16

#23	USA	REST WORLD
*I use the method from #22…*
regularly or continiously	78	76
only now and then	11	13

#24A/B
*I use l/h as internal circulation*
fixed	48	54
variabel	37	36

0-1 times the aquarium volume	4	3
1-2 times the aquarium volume	7	8
2-3 times the aquarium volume	6	5
3-5 times the aquarium volume	14	16
5-7 times the aquarium volume	10	11
7-15 times the aquarium volume	21	38
>15 times the aquarium volume	10	8
#25
*My main illumination is...*
light tubes	52	38
metall hallide lamps	48	70
other kind of illumination	4	4

#26
*In addition I use…*
blue actinic light tubes	75	77
other kind of light tubes	12	9
moonlight	7	19

#27
*My main illumination is equal to about Watt per liter aquarium volume*
<1 W	10	49
1-2 W	45	28
2-3 W	10	3
3-4 W	8	2
>4 W	10	2

#28	USA	REST WORLD
*I follow these parametres electronically on a continious basis…*
pH	45	48
temperature	60	51
redox potential	18	22
salinity	16	23
others	38	12
none	3	2
#29
*I measure the following parametres now and then…*
pH	56	46
temperature	44	40
redox	7	5
salinity	76	67
calcium	69	67
nitrate	79	78
nitrite	42	53
phosphate	55	58
others	38	30

#30
*The following parametres are those that I find hardest to regulate to an acceptable level…*
temperature	16	10
redox	3	6
salinity	2	2
calcium	23	18
nitrate	10	19
nitrite	2	4
phosphate	11	20
others	12	13
I don't know	10	14

#31
*My decoration is mainly composed of…*
live rocks	89	85
calcareous rocks or other type of rocks	14	33
artificial material	2	2
dead coral skeletons	6	8

#32	USA	REST WORLD
*Amount of live rock in relation to the aquarium volume…*
<0,1 kg/l	16	39
0,1-0,2 kg/l	38	35
0,2-0,3 kg/l	11	12
0,3-0,4 kg/l	7	3
0,4-0,5 kg/l	5	1
>0,5 kg/l	9	2

#33
*When I decorated the aquarium I consentrated on…*
making an artistic decoration	32	35
to copy a natural habitat designed for the animals that i wanted to keep	56	71
to copy another's aquarium decoration	5	1
to make a decoration that could house as many corals as possible	19	16


#34
*I am pleased with the decoration as it is now ?*
yes	75	80
no	23	18

#35
*I regulary have to adjust and/or rebuild the decoration and/or the corals ?*
yes	14	9
no	83	87

#36 A
*On a daily basis I spend maintaining my aquarium…*
<1 hour	65	66
1-2 hours	29	25
>2 hours	3	8

#36 B	USA	REST WORLD
*Of the time given in #36A I spend about % studying the organisms and % working with the technique*
Studying the organisms: 0-24%	7	5
25-50%	22	23
51-75%	29	24
76-100%	34	37

Working with the technique: 0-24%	34	37
25-50%	29	24
51-75%	22	23
76-100%	7	5

#37
*When I had completed the decoration I introduced the first corals (stony and/or soft) after…*
1-7 days	14	8
1-2 weeks	8	6
2-4 weeks	13	12
1-2 months	24	27
2-4 months	19	29
>4 months	10	13

#38
*On a scale from 5 (best) to 0 (worst) I would say that practicing the reef hobby*
*has in general increased my knowledge in biology…*
0	0	1
1	0	3
2	2	4
3	12	25
4	26	33
5	53	33

#39
*The advises I get in my pet shop are in general…*
very trustfull	15	23
moderately trustfull	44	44
little trustfull	22	23
not trustfull at all	15	6
#40	USA
*My pet shop informs me on the "cyanid-catching-problem"…*
never	64	54
sometimes	21	28
regulary	9	9
I have not heard about fishes being caught with cyanide	2	4


#41
*My pet shop advised me to add corals (soft- or stony) to the aquarium as soon as possible after completing the set-up ?*
true	6	7
false	62	71
don't know	24	16

#42
*My pet shop advised me to wait several weeksand observed how the aquarium behaved after completing the set up*
*before I added any corals (soft or stony)…*
true	49	65
false	16	13
don't know	26	16

#43
*If I have a biological problem with my aquarium, my pet shop advises me to…*
read about relevant literature and collect more information before suggesting a solution	14	19
to solve the problem by adding additives and/or buying new and better equipment	31	29
to use the present technical equipment in a better way and/or to wait and observe	23	23
I don't know what they will say	27	25

#44
*I have about colonies of corals in my aquarium*
Colonier per. liter aquarium volume <0,05	47	57
0,06-0,10	17	16
0,11-0,15	6	3
0,16-0,20	1	2
>0,20	3	1

#45	USA	REST WORLD
*Of the number given in #44 about % come from off springs that I have got from fellow aquarists or*
*from mother colonies in my own aquarium….*
none	21	10
1-10%	20	20
11-20%	10	14
21-30%	10	11
31-40%	2	6
41-50%	5	5
>50%	6	10

#46
*Stony corals compose about % of all my corals…*
none	10	6
1-10%	10	18
11-20%	7	12
21-30%	8	9
31-40%	4	4
41-50%	12	6
51-60%	3	4
61-70%	3	5
71-80%	8	5
81-90%	5	5
91-100%	4	5

#47
*I have regular acess to coral that have been grown in coral farms ?*
yes	27	8
no	49	71

#48
CANCELLED




#49	USA	REST WORLD
*If corals grown in coral farms were available in my pet shop, I would definitely have preferred these*
*to wild caught corals ?*
yes	67	72
no	8	8

#50
*If corals grown in coral farms were available in my pet shop, I would definitely have preferred these*
*to wild caught corals, but only if they werecheaper than wild caught corals ?*
yes	14	39
no	60	40

#51
*If corals grown in coral farms were available in my pet shop, I would definitely have preferred these*
*to wild caught corals, but only if they were more colourful than wild caught corals ?*
yes	29	19
no	46	59

Created by liquid
Last modified 2005-02-03 06:18

Reefs.org: Where Reefkeeping Begins on the Internet

Sections

Personal tools

Aquarium.Net

(put title here)

Powerbuys

Advertisement

News