The number of feet long is irrelevant; the general rule is 1-2 lbs of live rock per gallon of water.
non fish need water to live!
tropical fish have to live around 75 degrees
No. Depending upon the climate you live in, tropical fish may need heaters if you live in a cool place and if you live in a warm place cold water fish may need coolers. Each species has its own requirements.
They need the oxygen in the water to survive like fish and every thing else.
Food water oxygen
Reptiles need land too. Fish do not.
Saltwater fish have the same problem in reverse. For saltwater fish, the sea water contains a much higher concentration than what is in their bodies. As a result, salt leaks in and the fish has to use its kidneys and ion pumps to excrete extra salt.
No , some fish live in slat and fresh water but the pet fish you have or want to hve need fresh water.
A seahorse is a fish. It requires ocean water to live.
Starfish live in the sea. They need salty water.
yes
No! Salamanders can not live in a fish tank, they need to be in a glass enclosure with beathing ventaltion at the top, they also need a heat lamp.