The Dusky Hatchetfish is a larger, active species which has been relatively uncommon in the aquarium trade. Abundant throughout its range- The Amazon Basin, the Dusky is found in all sorts of habitats, from small, slowly-flowing to still shaded tributaries and streams to flood plains, and in blackwater and clearwater environments, with conditions ranging from soft and acidic to slightly neutral. The locals often refer totem as "sardina!"
This is a species that you need to do a little planning for if you intend to keep it successfully. First, it requires a mature aquarium, preferably with with some floating plants, yet still providing some open surface area for the fishes to "patrol." The floating vegetation will keep these fishes calm, and far less skittish during their initial acclimation to captivity, as they tend to aggregate just under the water surface most of the time. They are commonly found in shoals, and should be maintained this way in the aquarium, so we offer them in groups of 6 specimens.
Like most Hatchetishes, this species can be a jumper and needs to be kept in an aquarium that is well covered. You probably don't want to keep these fish in a well-trafficked area of your home or fish room during acclimation, as lots of external movement can "spook" them into jumping. Over time, they will lose much of the skittish behavior that they may display when newly imported.
Ideally, a wider, longer, shallower tank would be great for highlighting their unique appearance and behavior. Because of their size, they require a larger tank than many of the other Hatchets to accommodate their activity. You can use some leaf litter and some driftwood pieces to evoke a "forest" feeling. They will take a wide variety of frozen and live foods in the aquarium.
Ours are carefully collected and handled, and are acclimated to active life at Mike Tuccinardi's facility. They will typically come in around 2.5"-3" in length.
Mike’s Notes: "Triportheus are an incredibly common sight throughout most of the Amazon Basin, and it’s surprising that they are not seen in the hobby more often. It took some prodding to source these fish, and I’m quite happy to be able to offer them at last. In the wild, they inhabit a wide range of habitats, from shallow blackwater igarapes to wide open water channels, where they stay close to the surface in schools. The best way to come across these fast-moving fish is actually by canoe, at night, when these easily-startled fish are likely to jump far above the water’s surface when disturbed – often landing in the canoe. I’ve kept a group of these interesting characins in a personal tank for over a year now, and they adapt very well to aquarium life, quickly losing their skittish nature and becoming bold, active, and completely peaceful tankmates for everything from Altum Angels to Checkerboard Cichlids. A great addition to a larger biotope display!"
SOURCE: Net collected Orinoco
CARE LEVEL: Intermediate-Advanced
TEMPERAMENT: Peaceful and active. Can be slightly skittish when new. Will calm down once acclimated to aquarium life.
NATURAL DIET: Small insects, like flies and ants, and insect larvae
COMPATIBILITY: Best kept in a group with peaceful fishes
MAXIMUM SIZE: Approx. 6"
IDEALLY SUITED FOR: Blackwater/botanical-style aquariums (soft, acidic water) and clearwater, neutral to slightly alkaline conditions. Tank must be tightly covered!
NOTE: This photo is for illustrative purposes only. You will be receiving specimens which look similar to the ones shown in our photo, but should expect variations in color.
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