328 TELEOSTEI. ACANTHOPTEBYGII. 



Family XXXI. TRICHONOTID^. 



Branchiostegals seven ; pseudobranchiae. Gill-openings wide. 

 Body elongate, subcylindrical. One or two dorsal fins occupying 

 almost the entire length of the back. Fin-rays branched. Ven- 

 trals jugular, 1/5. No prominent papilla near the vent. Scales 

 cycloid, of moderate she. Air-bladder and pyloric appendages 

 absent. 



Geographical Distribution. Small fishes of the seas and coasts of 

 India, the Malay Archipelago, and New Zealand. 



1. Genus TRICHONOTUS, Bl. Schn. % . 



Head depressed and pointed, with the lower jaw the longer. 

 Cleft of mouth deep, almost horizontal. Eyes of moderate size, 

 closely approximating. Conical teeth in jaws, vomer, and palatine 

 bones. One long dorsal fin ; the first few rays elongate, or slightly 

 detached. 



Geographical Distribution. Andamans to the Malay Archipelago. 



1152. (1.) Trichonotus setiger. (Fig. 108.) 



Trichonotus setiger, 1. Schn. Syst. Ich. p. 179, t. xxxix; Day, 

 Fish. India, Suppl. 1888, p. 796 (see synon.). 



D. 2/45. P. 11. V.l/5. A. 37. C. 13. L.I. 58. L.tr.6. 

 Length of head 4, height of body 10 in the total length. Eyes 

 diameter 4 in length of head, 1 diam.from end of snout, directed 

 somewhat upwards. Teeth a, single row in the jaws, voiner, 



Fig. 108. Trichonotus setiger. 



and palatines, somewhat enlarged in the premaxillaries. Fins 

 owing to the small size of the example, it is difficult to count the 

 rays. Dorsal commences above axil of pectoral, first two rays not 

 ofthe at fin (? ^ r S6X) ' but sli g h % ^vided from the remainder 



Hob An example, measuring a little over 1| inches in length 

 was obtained at the Andamans. 



