288 



Strabo Kner & Steindachner, Sitzungsber. Akad. Wien LIV. 1866, p. 372. 



Zantecla Castelnau, Proc. Zool. Soc. Victoria II. 1873, P- 88. 

 Aida, Ncoatherina Castelnau, Research Fish. Austral. 1875, p. 10, p. 31. 



Much compressed, 

 oblong, the height in- 

 creasing with age. Dor- 

 sal and ventral profile 

 more or less convex. 

 Jaws equal, or lower jaw 

 included. Intermaxilla- 

 ries with an abrupt bent 

 between their horizontal 

 and lateral part. Lips 

 not thickened. Mouth 

 moderate, mouthopen- 

 ing not reaching to ver- 

 tical through frontborder 

 of eye. Pointed teeth 

 in one or more rows in 

 jaws. Teeth on vomer; 

 those on palatines and 

 tongue present or ab- 

 sent. First dorsal with 

 one spine and 3 6 flexi- 

 ble, undivided rays, 

 which may be prolonged 

 into filaments. Second 

 dorsal with a more or 

 less curved spine and 

 9 12 soft rays, the 

 hinder ones of which 

 may be elongated, as 

 well as those of the anal, 

 which has one rather 

 weak spine and 17 22 

 soft rays. Origin of anal 

 below or somewhat be- 

 hind that of first dorsal. 

 Ventrals with a slender 

 spine and 5 soft rays, 

 originating somewhat 

 behind the pectorals, which have no spine. Caudal forked. 



Fig. 78. Melanotaenia ogylbyi M. Web. 



