| Family | Scientific Name | Author | Year | Common Name |
| Chlorophthalmidae | Chlorophthalmus agassizi | Bonaparte | 1840 | Shortnose Greeneye |
Family Chlorophthalmidae — Large eye with teardrop-shaped pupil and distinctive lensless space anteriorly. Mouth large and superior. Snout is moderately long, somewhat depressed. Maxilla is slightly expanded posteriorly, possessing a single supramaxilla, and extends to just behind front of eye. Dorsal fin insertion on anterior third of body. Adipose fin located over middle of anal fin. Anus located closer to pelvic fins than to anal fin.
Chlorophthalmus agassizi
Unique Characters: Body with many dark brown blotches and saddles. Large green eye. Mouth large and superior. Eye diameter less than 1.25 in snout. Anus close to base of inner pelvic-fin rays, separated by 2 or 3 scales. Vomerine teeth all small.
Similar Species: Longnose Greeneye Parasudis truculenta. Body uniformly yellow tan; dorsal fin with blackish tip. Large green eye. Snout very long. Eye diameter greater than 1.25 in snout. Anus well behind base of inner pelvic-fin rays, separated by 8-10 scales. Vomer with several large fang-like teeth.
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