The goldfish comes under the class "Actinopterygii" order "Cypriniformes" family "Cypriniae" genus "Carassius". Its binominal (Taxonomic) name is "Carassius auratus" (auratus meaning golden or of gold)
Yes
they often fall or have a disturbing chase
Predatory fish and birds will kill heaps in the wild but most goldfish are killed by people who don't look after them properly.
They've not got muscles to keep them up straight. Its only the water which is holding them up and making them move.
go to the vet ASAP
Specific instance of a class is called object of that class.
The actions in a java class are called methods.
The Spanish upper class was known as the nobility, which included titles such as dukes, marquises, counts, and barons. They held significant power and privilege in Spanish society.
Class B is said to be a "subclass" of class A.
it is just called a class
yes
A logical abstract base class for a class called CricketPlayer could be Batsman class or Bowlerclass.