Scientific name: Pearsonothuria graeffei
Size: Up to 17.7 inches
Color: Cream and brown
Distinguishing feature: Cream color, brown spots, black dots, small white spines. Black mouth tentacles with white piping.
Where did we see it: Zanzibar, Thailand, Mayotte, Maldives
This species is very active during the day, even if it can be seen at night.
She does not know how to backtrack and will use her detection of obstacles to circumvent them.
Some sharks can stay motionless on the sand (white tips reef sharks, nurse sharks, etc.).
These sharks don't have to swim to bring oxygen to their gills like other sharks (grey, hammerheads tc.)
Parrotfish create a protective envelope around them when they are sleeping.
So, don't put the light on them during night dive to don't to wake them up and break this envelope.
Turtles are in economy mode when they are sleeping. If they are woken during night, they may not have enough air to return to surface.
So, please be careful during night dives!