Aquarium quiz (release 1.00; 13/03/2009)

Try the following quiz! New quiz is published each 2 weeks, so return back soon for more questions!

Rules are simple:

You must answer every question,
Some questions may have more than 1 correct answer,
There is no time limit!

Is Potamotrygon leopoldi latin name of Yellowspotted river stingray?

Yes

Wormline peckoltia (Peckoltia braueri) can usually grow in home aquariums:

up to 10 cm

up to 15 cm

up to 25 cm

only up to 5 cm

Which Fluval filter is designed to operate for a 300 L (approximately 100 US Gallons) aquarium?

Fluval 104

Fluval 105

Fluval 305

Fluval 205

Tiger danio (Devario maetaengensis) prefers pH between:

6.4 - 7.0

6.0 - 6.2

8.0 - 9.0

Dicrossus filamentosus (Chequerboard cichlid) comes from

Africa

Mekong river

South America

European rivers

Does Hygroryza aristata belong to floating plants?

Yes

Is Echinodorus "Ozelot" cultivated plant?

Yes

Which place is Echinodorus osiris suitable for?

Foreground

Background

Top (as it's a floating plant)

Middle

Angelfish are:

peaceful

highly aggressive

20 cm equals to

7.87 inch

7.80 inch

8.00 inch

20 inch

Are nirification bacteria present in the substrate/gravel?

Yes

Can fish swim backwards?

Yes

Do fish remember more than last 3 seconds?

Yes

What is the difference between fresh water and salt water fish?

Both are the same in general

Fresh water fish must pee a lot because they absorb water by their entire bodies. Salt water fish must drink a lot because they don't absorb water by their bodies.

Salt water fish must pee a lot because they absorb water by their entire bodies. Fresh water fish must drink a lot because they don't absorb water by their bodies.

25 degrees Centigrade is:

77 degrees Fahrenheit

70 degrees Fahrenheit

78 degrees Fahrenheit

80 degrees Fahrenheit

Are external canister filters used for aeration as well?

Yes

Which heater would be the most suitable for a 100 US Gallons aquarium?

50 Watt

1000 Watt

350 Watt

How can we sex Panda Cories (Corydoras panda)?

There are no visual differences between males and females of this species

Males are bigger than females

Females are bigger than males

Females have bigger bellies than males

What water hardness is most suitable for Skunk cory (Corydoras arcuatus)?

4-12 dGH

0-4 dGH

12-20 dGH

0-30 dGH

Where do Flowerhorn fish come from?

North America

Malaysia

New Guinea

It's a hybrid