Marbled Hatchetfish (Carnegiella strigata) have an enormous range that extends throughout Amazonian Bolivia, Brazil, Peru, Columbia, the Río Orinoco system in Venezuela, and some coastal drainages in Guyana and Suriname. Marbled Hatchetfish are exclusive to acidic blackwater environments characterized by thick, overhanging vegetation and substrates covered with fallen branches, tree roots, and various types of leaf litter.   […]

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The Blackwing Hatchetfish (Carnegiella marthae) is also known to tropical fish keeping enthusiasts as the Marthae Silver Hatchet. It is found locally in ‘ Caño de Quiribana, near Caicara, Venezuela and is thought to range throughout the upper Orinoco drainage in Venezuela and the rio Negro drainage in Amazonian Brazil with occasional specimens collected from the […]

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The Spotted Hatchetfish (Gasteropelecus maculatus) is found on the Pacific slopes of Panama, and in the Pacific and Atlantic drainages of Colombia, to the Maracaibo basin of Venezuela. The Spotted Hatchetfish (Gasteropelecus maculatus) is one of three known species of the genus Gasteropelecus.    The other two species which are also often kept in an […]

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The Common Hatchetfish (Gasteropelecus sternicla) is also known to tropical fish keeping enthusiasts as the River Hatchetfish and erroneously the Silver Hatchetfish. The Common Hatchetfish is found the southern tributaries and smaller streams of the Amazon in Brazil, Guyana, and Surinam. They prefer areas where there is an abundance of surface vegetation where they can […]

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Silver Hatchetfish (Gasteropelecus levis) are found only in open water of larger igarapés, streams, and floodplain lakes of the lower Amazon river basin and the lower sections of the rios Tocantins and Guamá in the state of Pará, Brazi. Because of their heavily keeled body shape, all Gasteropelecids are commonly referred to by tropical fish […]

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