Lembeh Strait (Indonesia: Selat Lembeh) is a narrow stretch of water between Sulawesi and Lembeh Island (Pulau Lembeh), Indonesia. Lembeh Strait is world-known for its extremely high density of rare and unusual marine life, in particular frogfish.
Frogfishes are any member of the anglerfish family Antennariidae, they are found in almost all tropical and subtropical oceans and seas around the world, the primary exception being the Mediterranean Sea.
Frogfishes have a stocky appearance, their body is scaleless and bare, atypical of fish.They are often brightly coloured, white, yellow, red, green, or black or spotted in several colours to blend in with their coral surroundings.
Frogfishes generally do not move very much, preferring to lie on the seafloor and wait for prey to approach. They rarely swim, preferring to clamber over the sea bottom with their three front-most fins which look like rods.
Many frogfishes can change their colour and the change can last from a few days to several weeks, what triggers the change is still unknown.
Their camouflages aid in protection from predators and enable frogfishes to lure prey, some species can change colour, while some are covered with other organisms such as algae or hydrozoa.
In keeping with this camouflage, frogfishes typically move slowly, lying in wait for prey, and then striking extremely rapidly.
