Munroe: Western Atlantic tonguefishes of the Symphurus plagusia complex 



251 



Table 7 



Frequencies of the numbers of scale rows between the posterior margin 

 of the eyes to the midpoint emargination of the opercle for five western 

 Atlantic species of the Symphurus plagusia complex. 



Species 



Scale rows 



16 



17 



18 19 20 21 22 23 



civitatium 



plagusia 



tessellatus 



oculellus 



caribbeanus 



18 



32 



16 



4 



3 



9 



16 



