The Bass and their Relatives 319 
nine spines and twelve to fourteen soft rays. The anal spines, 
as in Apogon, are two only, and the scales are cycloid. 
Fig. 254.—A pogon semilineatus Schlegel. Misaki, Japan. 
The Robalos:* Oxylabracide.— The family of Robalos (Oxy- 
labracide or Centropomide) is closely related to the Serranide, 
differing among other things in having the conspicuous lateral 
line extended on the caudal fin. These are silvery fishes with 
Fic. 255.—Robalo, Oxylabrax undecimalis (Bloch). Florida. 
elongate bodies, large scales, a pike-like appearance, the first 
dorsal composed of strong spines and the second spine of the 
* The European zander is the type of Lacépéde’s genus Centropomus. 
The name Centropomus has been wrongly transferred to the robalo by most 
authors. 
