Yes. For example Linckia laevigata
http://www.peteducation.com/article.cfm?c=16+2158+2224&aid=2195
yes i have seen one in phuket
Starfish and blue crabs are both inverts. They are known to clean the ocean and are egg layers, depending on the starfish depends if they are sand sifters as well.
blue
valvatida
A light orange
Starfish are all different colors in the rainbow(red,orange, yellow, green, blue, indigo, purple, pink) but they usually are pink, green, or blue.
Blue whales are mammals
The blue whale is the only mammal.
If you meant "which is a mammal?", the blue whale is.
They can be 3 colors blue, green and pink
Starfish are benthic predators. Since they usually eat shellfish like mussels or scallops, they would be second order consumers.
theres a restraunt but not an actual blue star fish that is lving
it seems it is sharks, manta rays, and large bony fish