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Genus

Carnegiella

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Species
3
Photographed
3 of 3
Difficulty rated
3 of 3

Where the name comes fromEdit

erected in 1909 by C.H. Eigenmann for the type species C. strigata (which was at that time named Gasteropelecus strigatus); the name honours Miss Margaret Carnegie and was chosen to represent the gracefulness of these fish.

This species is among the more diminutive freshwater hatchetfishes.

Carnegiella marthaeBlackwing Hatchetfish

Myers, 1927

Max length
28mm SL1.1in SL
Tank
60 × 30cm24 × 12in
Temp
20–28°C68–82°F
pH
4.0–7.0

The blackwing hatchetfish, Carnegiella marthae, is a small freshwater hatchetfish from the upper Orinoco in Venezuela and the rio Negro in Brazil. It appears to be a stenotypic inhabitant of blackwater, found in igapó and igarapé habitats with overhanging vegetation and leaf litter. Very peaceful but small and timid, it is best kept in a group of 10 or more with similarly sized, peaceful fishes.

Easy
This species possesses an elongate body shape relative to congeners.

Carnegiella myersiPygmy Hatchetfish

Fernandez-Yepes, 1950

Max length
25mm SL1.0in SL
Tank
50 × 30cm20 × 12in
Temp
23–26°C73–79°F
pH
4.0–7.0

The pygmy hatchetfish, Carnegiella myersi, is a tiny freshwater hatchetfish from the Peruvian Amazon basin, with a second population in Bolivia. The smallest and most delicate of the nominal hatchetfishes, it has a shallower, rounded keel that gives it an elongate profile. It lives in small, shaded, shallow forest streams and must be kept in a group of at least six, away from active tankmates.

Easy
What we currently know as C. strigata may turn out to represent a group of closely-related species (see 'Notes').

Carnegiella strigataMarbled Hatchetfish

Günther, 1864

Max length
35mm SL1.4in SL
Tank
75 × 30cm30 × 12in
Temp
20–28°C68–82°F
pH
4.0–7.0

The marbled hatchetfish, Carnegiella strigata, is a hatchetfish from the Amazon and Orinoco basins and coastal rivers of Guyana and Suriname. Popular in the hobby, it is collected for the trade mostly in the rio Negro basin in Brazil. Its larger size and dark, marbled pattern set it apart from congeners, though the pattern varies and the wide range may be open to question. It appears to live only in blackwater.

Easy