Review of the  Nauticam NA-DP4 housing for the SmallHD monitor. Footage is from Indonesia.

 

Bioluminescence.

When certain algea bloom they creat a Red Tid (looks red during the day) and these algea will biolumines when agitated and give off a blue light. This is from San Diego

Wolf eel

The wolf eel starts life in an egg gurded by both the parents. When it hatches it is left to float the ocean currents until large enough to settle on the rocky reef. With luck it'll grow into one very large and unique looking blennie