Petagas

This species has probably not been seen in the aquarium trade yet but has been maintained by a few private collectors. It can be distinguished from congeners by the following combination of characters: secondary rostrum present; complete postoral pouch present; body colour brown with up to 9 thin gold stripes; head dorsum dark brown with gold reticulate pattern; subopercular groove absent; gill slit vertical; sublacrymal groove present; sno...

This species is variable in terms of colour. Large adults may be bright green, orange or barred but are apparently capable of changing from barred to plain in just a few seconds. These different forms have been recorded in the same natural habitats, and some individuals also possess prominent nuptial tubercules covering much of the body.