Machado y Núñez, A. 1857. Catálogo de los peces que habitan o frecuentan las costas de Cádiz y Huelva y con inclusión del Río Gualquivir. Imprenta Española y Extranjera. Sevilla. 29 pp.

Maciolek, J. A. 1984. Exotic fishes in Hawaii and other islands of Oceania. pp. 131-161, table In: W. R. Courtenay, Jr. and J. R. Stauffer, Jr. (eds.), Distribution, biology, and management of exotic fishes. The Johns Hopkins University Press, Baltimore, Maryland.

Mackowiak L. 1976a. A Gabon jewel: Aphyosemion georgiae georgiae. Journal of the American Killifish Association 9 (6): 190-191.

Mackowiak, L. 1976b. Blue Gularis– a continued favorite. Journal of the American Killifish Association 9 (4): 132-133, photos.

Mackowiak, L. 1977. The diamond killifish Adinia xenica. Journal of the American Killifish Association 10 (5): 115-116.

Mackowiak, L. 1987. What’s New with the N&RSC Committee. Journal of the American Killifish Association 20 (4): 131-137, photos, line drawings. [N&RSC = New and Rare Species Committee]

Mackowiak, L. 1988a. Aphanius dispar, a Middle Eastern favorite. Journal of the American Killifish Association 21 (1/2): 51-53, photo, drawings.

Mackowiak, L. 1988b. Aphyosemion georgiae Lambert & Géry 1967. Journal of the American Killifish Association 21 (5): Killifish Index 2 pp., color photo. [centerfold insert]

Mackowiak, L. 1989. Aphyosemion cyanostictum Lambert & Géry 1967. Journal of the American Killifish Association 22 (1): [Killifish Index] 2 pp., color photo. [photographer: Wayland Lee] [centerfold insert] [A. cyanostictum was first described in 1968]

Mackowiak, L. 1998. Photographs: Cynolebias dolichopterus, Fundulopanchax occidentalis, and Aphyosemion caudofasciatum. Journal of the American Killifish Association 31 (5): 148-149. [in color]

Magis, N. 1963. Reseignements écologiques sur le Nothobranchius brieni Poll (Cyprinodontidae, Rivulinae). Bulletin de la Société royale des Sciences de Liège 32 (1/2): 174-184, fig., 2 tables, 4 photos.

Mago Leccia, F. 1970. Lista de los peces de Venezuela, incluyendo estudio preliminar sobre la ictiogeografia del pais. Ministerio de Agricultura y Cria, Oficina Nacional de Pesca, Caracas, Venezuela. 241 pp.

Mahdi, N. 1962. Fishes of Iraq. Bagdad. 82 pp., figs., map.

Mahdi, N. and P. V. Georg. 1969. A systematic list of the vertebrates of Iraq. Iraq Natural History Museum Publication No. 26: 104 pp.

Maier, G. 1969a. The Problem Page. Killie Notes (American Killifish Association) 2 (5): 22-23. [Nothobranchius guentheri, N. rachovii]

Maier, G. 1969b. The Problem Page. Killie Notes (American Killifish Association) 2 (6): 26-27. [Aphyosemion australe]

Maier, G. 1969c. The Problem Page. Killie Notes (American Killifish Association) 2 (8): 19. [Aphyosemion gardneri (= Aphyosemion gardneri nigerianum)]

Maier, G. 1969d. The Problem Page. Killie Notes (American Killifish Association) 2 (9): 34-35. [pH and Aphyosemion and Nothobranchius]

Maier, G. 1970a. The Problem Page. Killie Notes (American Killifish Association) 3 (4): 30. [Epiplatys dageti]

Maier, G. 1970b. The Problem Page. Killie Notes (American Killifish Association) 3 (5): 32-33. [Aphyosemion calabaricus (properly calabaricum), Roloffia liberiense, Roloffia calabaricum (properly calabaricus)]

Maier, G. 1970c. The Problem Page. Killie Notes (American Killifish Association) 3 (9): 30-31. [Cynolebias bellottii]

Maier, G. 1970d. The Problem Page. Killie Notes (American Killifish Association) 3 (12): 26-27. [Aplocheilus dayi]

Maier, G. 1971a. The Problem Page. Killie Notes (American Killifish Association) 4 (5): 37-38. [Aphyosemion australe, A. filamentosum]

Maier, G. 1971b. The Problem Page. Killie Notes (American Killifish Association) 4 (6): 24-25, photos. [Aphyosemion burundi, A. vexillifer, A. gardneri, A. scheeli]

Maier, G. 1971c. The Problem Page. Killie Notes (American Killifish Association) 4 (7): 21-23. [Roloffia geryi, Aphyosemion australe, A. gardneri, A. filamentosum, A. sjoestedti, A. arnoldi]

Maier, G. 1971d. The Problem Page. Killie Notes (American Killifish Association) 4 (8): 30-31. [Aphyosemion striatum, A. filamentosum, A. gardneri]

Maier, G. 1971e. The Problem Page. Killie Notes (American Killifish Association) 4 (9): 17-18. [Nothobranchius kirki]

Maier, G. 1971f. The Problem Page. Killie Notes (American Killifish Association) 4 (11): 10-12. [Cynolebias nigripinnis, blue gularis]

Maier, G. 1972a. The Problem Page. Killie Notes (American Killifish Association) 5 (1): 22. [Aplocheilus panchax, Pachypanchax playfairii]

Maier, G. 1972b. The Problem Page. Killie Notes (American Killifish Association) 5 (5): 24-25. [Jordanella floridae, blue gularis]