| Adaptive specializations of the cyprinodont fish Rivulus marmoratus. |
| South American cyprinodont fishes allied to Cynolebias with the description of a new species of Austrofundulus from Venezuela. |
| Perhaps another response to rigorous environments is the occurrence in some cyprinodont populations of functional hermaphrodites, capable of self-fertilization and hence of maintaining a population from one surviving parent. |
| The cyprinodont fishes of the Death Valley system of eastern California and southwestern Nevada. |
