Drawing of Caspiosoma caspium  
Size (cm):

  

Locality:

Northern Agaeic Sea, aquarium (caught in tidal pool, 0.3 m).

Sex:

  

Reference:

Collected from the web (modified): http://www.zoologie.sbg.ac.at/Patzner/Gobiidae/

Remark:

Original photo by Robert A. Patzner 

Attribution:

  

Google