FISHES OF EL SALVADOK 
253 
Order CYPRINODONTES 
Family IV. CYPRINODONTIDi€ 
The Killifishes 
Body elongate, compressed posteriorly; head more or less flattened above; 
mouth small; premaxillaries strongly protractile; teeth present on both jaws; 
lateral line wanting; dorsal fin single; anal fin not modified in male; species ovi- 
parous. 
6. Genus PROFUNDULUS Hubbs 
Profanduhis Hubbs, Misc. Pub., Mus. Zoiil., Univ. Mich., No. 13, 1924, 12 (type Fundulas punclatus Gunther). 
Body rather. robust; head somev/hat depressed; dorsal and anal fins relatively 
long and low and inserted far posteriorly; anal fin lower in the adult male than 
in the adult female; the oviduct not produced and not extending on the first ray 
of the anal fin, as in Fundulus. A single species was taken in El Salvador. 
6. Profundulus punctatus (Gunther) 
Chimbola 
Fundulus pundatns Gunther, Cat. Fish., Brit. Mas., VI, ISGfi, 320, and Trans., Zool. Soc, London, VI, 1868, 482, PI. LXXXIV, 
fig. 6 (Chiapas, Guatemala); Regan, Biol. Cent. Amcr., Pisces, 1907, 78. 
Fundulus guatcmalensis Giinther, Cat. Fish., Brit. Mus., VI, 1866, 321, and Proc, Zoo!. Soc, London, VI, 1868, 482, PI. LXXXIV, 
flgs. 3 and 4 (Lakes Duenas and Amatlan, and Rio Guacalate). 
Head 3 to 3.7; depth 2.9 to 3.S; D. 12 or 13; A. 13 or 14; scales 31 to 33. 
Body rather robust, compressed; caudal peduncle strongly compressed, its 
depth 1.75 to 2.15 in head; head somewhat depressed; snout broad, 3 to 3.5 in 
head; interorbital 2 to 2.4; mouth transverse; the lower jaw slightly projecting; 
teeth in bands, pointed, the outer ones enlarged; scales firm, cycloid, 10 or 11 
rows between the dorsal and anal, many of the scales along the upper part of sides 
with pits; dorsal small, its origin usually about equidistant from the posterior 
margin of the eye and the end of the caudal; caudal fin broadly rounded; anal 
fin somewhat longer than the dorsal, its origin a little behind that of the dorsal; 
ventral fins small, about as long as snout and half the eye, reaching nearly or quite 
to the vent; pectoral fins broad, 1.45 to 1.75 in head. 
Color brownish green above, pale underneath; a dark blotch above and be- 
hind base of pectoral; most specimens with a dark lateral band posteriorly, this 
band wanting in some specimens and broken up into spots in others; occasionally 
with a series of pale spots above and below the lateral band; a dark vertebral 
band; the scales on upper part of sides and on base of caudal frequently with 
dark spots; fins mostly yellowish in life; the dorsal and caudal dusky in spirits, 
the former with indications of a dark bar at base; the other fins usually all pale, 
the anal occasionally slightly dusky and with a white margin. 
This species is represented by 26 specimens, ranging from 25 to 77 millimeters 
in length. It was taken only in Rio Molino, a rather small tributary to the Rio de 
Paz. This stream was visited late on the evening of January 27, and only a small 
stretch, in the vicinity of Ahuachapan, was seen. That portion was too rocky to 
