As always - a very relaxing scene. Parrotfish are pretty much like dogs - very relaxed and when by themselves, but put them in a pack (school) and they get all sorts of obnoxious.
Lots more here....
Parrot fish are named for their dentition; their numerous teeth are arranged in a tightly packed mosaic on the external surface of the jaw bones, forming a parrot-like beak which is used to rasp algae from coral and other rocky substrates(a process called bioerosion). Many species are also brightly colored in shades of blue, green, red and yellow, but are not especially popular as pets.
Although they are considered to be herbivores, parrot fish eat a wide variety of organisms that live on coral reefs. Some species, for example Bolbometopon muricatum ( may include coralspolyps) in their diet. Their feeding activity is important for the production and distribution of coral sands in the reef biome and can prevent algae from choking coral. The teeth grow continuously, making it hard to curb overgrowth in the aquarium. Ingested during feeding, coral rock is ground up by the pharyngeal teeth. After they digest this it is excreted as sand thus at times creating small islands and the idyllic sandy beaches of the Bahamas and Caribbean (and Asia!!!)
And the full article here
(I enjoy the fact that they are not popular as pets - they are difficult to potty train and often die during "walkies" )
Phi Phi Diving
Divemaster course - Thailand
-Similan Diving
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