NationWide Specialist Laboratory have put together profiles of thyroid tests specifically for the greyhound breed. 1  Greyhound Thyroid Investigation (GTH1) â Sensitive TT4, TT3, TSH and TGAA. 2  Greyhound Thyroid Monitoring (GTH2) â Sensitive TT4, TT3 and Canine TSH.
Benthos in the intertidal zone include sea stars, barnacles, mussels, sea anemones, sea urchins, snails, and other creatures that attach themselves to the rocky substrate or burrow in the sand. Benthos in deeper zones include fish, crustaceans and tube worms.
Distribution: Sea stars live in all the world's oceans. They can be found in tropical to polar habitats, and from deep to shallow water. Visit a local tide pool, and you may be lucky enough to find a sea star! Reproduction: Sea stars may reproduce sexually or asexually.ea Star Feeding: Sea stars feed on bivalves like clams and mussels, and other animals such as small fish, barnacles, oysters, snails and limpets. They feed by grasping their prey with their arms, and extruding their stomach through their mouth and outside their body, where they digest the prey.