The 🦐 Opae Ula 🦐 Questionnaire 📊
Tell me about your Opae Ula a.k.a. Hawaiian Red Shrimp / Volcano Shrimp / Halocaridina Rubra, ...! Let's explore the many varieties of our aquariums. 🌋
Aloha, this is Phil! 🌺

After setting up my Opae Ula aquarium, I became curious about other people's tanks and their modalities. Therefore I just had to create this little questionnaire. Even though Opae Ula are well-known to be low maintenance, I give you a wide range of options. The resulting information could be very worthwhile to a lot of Opae Ula fans around the world.

Please answer truthfully. Hoaxes would only "muddy the waters".🎗

Questions? opaeulaquestionnaire@gmail.com

Thank you for your time! Let's start:

It's question time!
🦐 Population - age 🗿 (since setting up the tank)
Silicone ain't dry yet
1 - 2 months
2 - 3 months
3 - 5 months
0,5 - 1 years
1 - 2 years
2 - 3 years
3 -5 years
5 - 7 years
7 - 10 years
10 - 15 years
15 - 20 years
Sumerian times - call me Marduk
Pick one
🦐 Population - total in tank 🍼 (adults, teens, larvae)
Happy family
10 - 20
20 - 40
40 - 60
60- 80
80 - 100
100 - 150
150 - 200
250 - 300
300 - 400
400 - 500
500 - 1000
China
Pick one
🦐 Population - increase 📈 (since setting up the tank)
It's going downhill
No increase
Just a few
x 1,5
x 2
x 3
x 4
x 5
x 6
x 7
x 8
x 9
x 10
Who's counting?
Pick one
🛁 Tank size (total if multiple tanks)
My milk bottle holds one liter
< 10 l / 2.5 gal
~ 10 l / 2.5 gal
~ 20 l / 5.5 gal
~ 30 l / 8 gal
~ 40 l / 10 gal
~ 50 l / 13 gal
~ 60 l / 15 gal
~ 70 l / 18 gal
~ 80 l / 21 gal
~ 90 l / 23 gal
~ 100 l / 25
~ 150 l / 40 gal
~ 200 l / 55 gal
~ 300 l / 80 gal
~ 400 l / 100 gal
Seaworld
Pick one
🐚 Furniture
Some random stones
Sea stone
Volcanic rock
Live rock
Live coral
Dead coral
Shells
Wood
My shrimp like tubes
A little something
SpongeBob SquarePants
Pick some
⛳️ Substrate
Playground sand
Lava gravel
Coral gravel
Coral sand
Silica sand
Construction area loan
Pick one
🌴 Plants
All I care about is rock
Marimo ball
Java fern
Java moss
Macroalgae
Caulerpa
Sea lettuce
Seaweed
Ruppia maritima - because why not
Pick some
🐋 Other animals in the tank
I once saw a copepod in there
Snail
Fish
Crab
Live seashell
Starfish
There's a lot going on
Pick some
🍔 Main source of food
Biofilm (no feeding)
Spirulina
Chlorella
Kelp
Shrimp food (powder/tablets)
Veggies
I just throw stuff in there
Pick some
🌡 Water temperature - Summer 🌞
Sakura Ebi Aisu shrimp ice cream
15 °C
16 °C
17 °C
18 °C
19 °C
20 °C
21 °C
22 °C
23 °C
24 °C
25 °C
26 °C
27 °C
28 °C
29 °C
30 °C
I let the sun decide
Tempura
Pick one
🌡 Water temperature - Winter ☃️
Winters be harsh matey!
I let the snow decide
15 °C
16 °C
17 °C
18 °C
19 °C
20 °C
21 °C
22 °C
23 °C
24 °C
25 °C
26 °C
27 °C
28 °C
29 °C
30 °C
Tempura
Pick one
🥨 Salinity
Gatorade
1.001 - 1.004
1.005 - 1.006
1.007 - 1.008
1.009 - 1.010
1.0011 - 1.012
1.0013 - 1.014
1.0015 - 1.016
1.0017 - 1.018
1.0019 - 1.020
1.0020 - 1.025
1.0025 - 1.030
1.0030 - 1.035
My shrimp need lead weights
Pick one
💎 Water clarity
Clarity perfection
It is what it is
Slight haze
Brown tint
Green tint
Algae everywhere - I like it raw!
Pick one
🚰 Filtration
What's filtration?
Filtration snails
Filtration seashell
Pump and sponge
Skimmer
Under gravel filter
External filtering gadget
My mom's coffee filter
Pick some
🔬 Water testing
No testing - water is water
pH-value
Carbonate hardness
Calcium
Magnesium
Copper
Ammonia
Nitrite
Nitrate
Phosphate
Silicate
Oxygen
I use a forensic test lab
Pick some
🌪 Oxydation
Nah, they're fine!
Air pump
Liquid oxygen gas cylinder
Soechting Oxydator
Other fancy stuff
Pick some
💡Lighting - hours per day ⏰
Sunrise to sunset
0 h
1 h
2 h
3 h
4 h
5 h
6 h
7 h
9 h
10 h
11 h
12 h
13 h
14 h
15 h
16 h
17 h
18 h
19 h
20 h
21 h
22 h
23 h
LEDs last 50.000 hours
Pick one
💡 Lighting - color temperature 🕯
Romantic candlelight
~ 3000 °K
~ 5500 °K
~ 6500 °K
~7500 °K
~ 8000 °K
~ 10.000 °K
Sunlight (Careful, Icarus!)
Pick one
🗑 Cleaning
I just sit back and relax
I clean the glas panels
I use a gravel cleaner
Whenever I see waste, I pick it up!
Pick some
💊 Health of Opae Ula population
A-okay
I'm not sure
A bit weak
Crippling depression
End times prophecy
Pick one
💘 Attachment
I just look after them
Friends for life
They are my only family
Sleepless nights - oh, the sorrows ...
I'd go to jail for my shrimp
Pick one
🏳️ Which nationality do your little friends have?
If you want to leave your name and a short massage:
Your answer
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