Q 01/05

Which English naturalist coined 'aquarium' and stocked the first public one at London Zoo in 1853?

A) Charles Darwin

B) Robert Warington

C) Philip Henry Gosse

D) Thomas Huxley

Answer · why

C) Philip Henry Gosse

He also wrote the first manual, The Aquarium: An Unveiling of the Wonders of the Deep Sea, in 1854, and launched a Victorian craze.

Q 02/05

Which chemist showed in 1850 that plants in a water container could keep animals alive?

A) Robert Warington

B) Humphry Davy

C) Joseph Priestley

D) Michael Faraday

Answer · why

A) Robert Warington

His 'aquarium principle' only works if the number of animals stays small, which is still the first lesson every fishkeeper learns.

Q 03/05

Some of the earliest known fishkeepers were which ancient people, around 2500 BCE?

A) Egyptians

B) Minoans

C) Phoenicians

D) Sumerians

Answer · why

D) Sumerians

Fish were kept in ponds for food first; tame or brightly coloured ones gradually became pets instead of dinner.

Q 04/05

The goldfish is native to which country, where it was first bred for colour more than 1,000 years ago?

A) Japan

B) China

C) Thailand

D) India

Answer · why

B) China

It is a small member of the genus Carassius alongside the Prussian carp and crucian carp.

Q 05/05

How long is a goldfish's memory span, according to research?

A) Three seconds

B) At least three months

C) About a minute

D) Roughly a day

Answer · why

B) At least three months

They can also tell apart shapes, colours and sounds, which puts the three-second myth to rest.