FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 741 



CLARIAS FUSCUS (Lacepede) 



Macropteronotus fusciis Lacepede, Hist. Nat. Poiss., vol. 5, pp. 84, 88, pi. 2, 

 fig. 2, 1803 (type locality: China=on Chinese painting). 



Clarias fuscus Valenciennes, Hist. Nat. Poiss., vol. 15, p. 383, 1840 (not Su- 

 matra specimen). — Bleekek, Atlas Ichth. Ind. N6erland., vol. 2, p. 105, 1862 

 (copied). — GiJNTHEK, Cat. Fish. Brit. Mus., vol. 5, p. 18, 1864 (type of 

 Clarias pulicaris, China, Honglvong). — Sauvage and Dabky, Ann. Sci. Nat., 

 ser. 6, vol. 1, ZooL, p. 5, 1874 (China).— Kakoli, Termesz. Fiizetek, Buda- 

 pest, vol. 5, p. 177, ISSl (Canton). — Eleua, Cat. Fauna Filip., vol. 1, p. 565, 

 1895 (Luzon, IManila). — Jordan and Richakdson, Mem. Carnegie Mus., vol. 

 4, p. 168, fig. 5, 1909 (Takao).— Fowr.EB, Bull. Bishop Mus. 22, p. 5, 1925 

 (introduced at Gu.am) ; Proc. Acad. Nat. Sci. Philadelphia, vol. 79, 1927, 

 p. 200 (San Fernando, Vigan, Philippines) ; Mem. Bishop Mus., vol. 10, 

 p. 64, 1928 (Guam record) ; Proc. Acad. Nat. Sci. Philadelphia, 1929, p. 602 

 (Hong Kong). — Wu, Contr. Biol. Lab. Sci. Soc. China, vol. 5, No. 4, p. 55, 

 fig. 45, 1929 (Amoy). — Roxas and Martin, Dept. Agr. Coram. Manila Techn. 

 Bull. 6, p. 41, 1937 (reference). 



Chlarias fuscus Eutter, Proc. Acad. Nat. Sci. Philadelphia, 1897, p. 57 (Swa- 

 tow). — Jordan and Evebmann, Proc. U. S. Nat. Mus., vol. 25, p. 321, fig. 4, 

 1902 (Taihoku and Formosa). 



.* Clarias abbreviatus Valenciennes, Hist. Nat. Poiss., vol. 15, p. 386, 1840 

 (type locality: Macao) (Anal rays 32). — Guntheb, Cat. Fishes British 

 Mus., vol. 5, p. 19, 1864 (copied). — Sauvage and Dabey, Ann. Sci. Nat., ser. 

 6, vol. 1, Zool., p. 5, 1874 (Macao). 



Clarias pulicaris Richardson, Voy. Sulphur, Ichth., p. 135, pi. 62, figs. 5-6, 1844 

 (type locality: China) ; Ichth. China Japan, p. 287, 1846 (China). 



Clarias licxacicinnns Richardson, Ichth. China Japan, p. 287, 1846 (type lo- 

 cality : China). 



Clarias batrachus (not Linnaeus) Bleeker, Atlas Ichth. Ind. Neerland., vol. 2, 

 p. 103, 1862 (part).— Fowler, Copeia, No. 50, p. 62, 1917 (Philippines). 



Depth 5% to 534 ; head to hind opercle edge 4l^ to 4i/4, to hind 

 occipital edge S% to 3%, head width II/3 to 1%. Snout 3i^ to 31/3 in 

 head to opercle edge; eye 13% to 14, 6% to 7 in interorbital ; month 

 width 3% to 31/2; bands of villiform teeth in jaws, slightly wider 

 band of coarser ones on vomer; nasal barbel to pectoral origin or 

 middle; maxillary barbel to pectoral middle or 2 eye lengths be- 

 yond pectoral; mental barbels subequal, to first fourth or tip of 

 pectoral spine ; interorbital 2^5 to 214 in head to opercle edge, broadly 

 convex, depressed medianly ; front fontanel begins opposite eye cen- 

 ter, 214 to 2l^ eye lengths ; occipital fontanel subequal with eye, be- 

 gins opposite or little behind pectoral origin. Gill rakers 6 + 22, 

 lanceolate. 



Head covered with thin skin. 



D. 58 to 63, height 21/5 to 214 in head ; A. 38 to 40, height 2% to 

 3; caudal 1% to 1%, convex; pectoral 1% to 1%? spine % to % of 

 fin, edges with very fine obsolete concealed serrae; ventral 2% to 2i/2' 



Neutral dusky, head below and belly whitish. Dozen vertical 

 rows of small gray-white spots on sides and lower side of tail with 



