The coloration of Istigobius decoratus is highly variable depending on the locality, with some specimens being extremely pale and others very dusky. It is sometimes confused with I. ornatus.
Details
§ 01
size
Max. 13 cm
color
Light brown with rows of white and black spots, the most evident midlateral row of double black spots. A semi-circular dark mark above corner of mouth.
Frequently encountered on sandy substrates close to pristine coral reefs, these fish can be found at depths up to 18 meters. They are usually observed alone.
distinctive characters
This species is commonly found on coralline sand near clean coral reefs at depths of up to 18 meters. It is usually seen solitary, meaning alone.