8
There are 4000 fishes in the coral reef
there is over 4000 species of fish living in the coral reef
They live in a coral reef
No. whales do not live in the coral reef they live in the ocean
millions from coral to plants and animals such as fish, turtles and so many there isn't a real answer but there are many for sure more than 100.
sea weeds, sea grass
Many types of starfish live on coral reefs
millions
The sea urchin live in the coral reef :p
a few million
coral polyps and sea plants
The environment for a coral reef needs to be well investigated. First of all, you need to mimic an outdoor coral reef using waves and sunlight. These are the essentials for an ideal coral reef. Also along with the reef, you should include fish. The fish will eat algi off of the reef and will make it more natural looking.