Periophthalmus gracilis
The slender mudskipper (Periophthalmus gracilis) is a species of mudskippers native to marine and brackish waters of the eastern Indian Ocean and the western Pacific Ocean where it is an inhabitant of the intertidal zone, capable of spending time out of water. This species can reach a length of  SL. Relationship with human

In folklore 
In Malaysia and Indonesia, the folklore Batu Belah Batu Bertangkup has Si Tanjung's desire to eat slender mudskipper's eggs as the origins of the conflict. References

External links 
 Fishes of Australia : Periophthalmus gracilis

slender mudskipper
Marine fish of Northern Australia
slender mudskipper