it depends on the speice
No they're common
Some species of Blennies do live in symbiotic relationships. They are cleaners and will help other sea creature out by cleaning and they offer the blenny food and protection.
Because of pollution,poachers and not eating
yes Blinnie fish like tidal pools most
A blennioid is a member of one of the true blennies of the suborder Blennioidei - a marine fish which dwells on the sea floor.
All over the world. These small, bottom-dwelling fishes are a conspicuous element of reef fish communities. Blennies are characterized by a combination of an elongate body, lack of scales, and a continuous, long-based dorsal fin.The diet of most blennies consists mainly of algae. Blennies are worldwide family and well represented in mainly tropical and subtropical seas with 54 genera and approximately 305 species.
I have seen seagulls pluck small fish such as sculpin and blennies, as well crabs from kelp beds.
no it is not edible
Soy is actually the smallest edible nut. The largest edible nut in the entire world that is edible is the cocoa nut.
No hydrogen is not edible. Because of its freezing tempratures, It can not be edible.
The definition of edible is fit to be eaten. The seeds inside blackberries are edible, the seeds of the yew tree is non edible (poisonous).