Spotted Metynnis - Dwarf  5cm

Spotted Metynnis - Dwarf 5cm

Spotted Headstander

Spotted Headstander 4cm

Silver Dollar 5cm

Silver Dollar 5cm

Spotted Metynnis - Dwarf 5cm

Metynnis Sp.Aff Maculatus

Spotted Silver dollars are easily one of the coolest South American schooling fish found in the aquarium hobby. They are the closest thing to owning a red belly piranha without the crazy blood-thirsty aggression! The spotted silver dollar looks almost identical to piranha with its body shape, accents of red near the gills, and belly at times with the spotting as well which contrasts so well against the shiny metallic-looking skin these fish have.

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Spotted Metynnis - Dwarf

Spotted Silver dollars are easily one of the coolest South American schooling fish found in the aquarium hobby. They are the closest thing to owning a red belly piranha without the crazy blood-thirsty aggression! The spotted silver dollar looks almost identical to piranha with its body shape, accents of red near the gills, and belly at times with the spotting as well which contrasts so well against the shiny metallic-looking skin these fish have. This makes them a phenomenal fish to look at under aquarium lighting as they literally shimmer and reflect the light of their skin. The great thing about the spotted silver dollars is they are herbivores and don’t get nearly as big as other species in the Metynnis family-like common or red hook silver dollars the spotted silver dollars max out at 12cm. They make a great addition in a South American biotope aquarium will add tonnes of activity with their tight schooling behavior as they constantly swim back and forth in the aquarium. Telling males from females apart is very difficult with these fish as they offer no external distinguishable features. The best method would be to set up a dedicated breeding aquarium and noticing the gender when they breed which also isn’t easily achievable in the aquarium environment. Silver dollars are also regarded as a very peaceful fish meaning they can be kept with a range of fish. Their wild location is the vast rivers of the Amazon in South America. 

Tank Recommendations for your Spotted Metynnis

Being a very active species and relatively sized the spotted silver dollars need a tank which is around 283 liters (75 gallons). They also definitely need to be kept in a school of at least 5 individuals to feel secure. If this requirement isn’t met then silver dollars can often be very skittish or show aggression. Because of their native swimming pattern they would prefer to have an aquarium with length to it rather than depth or width. A sand substrate would be best as spotted silver dollars can often get spooked easily, when this happens they may dart around the tank and a sandy substrate act as a buffer whereas something like gravel could cause damage. For the aquascape, it is best to keep as much open swimming space as possible however pieces of large branching or smooth driftwood can be added to the aquarium. Dim lighting is also best for these fish.

Suitable Tank Buddies

Spotted silver dollars can be kept with a wide array of species due to their peaceful nature however fish with long, flowing fish should be avoided as the silver dollars can be known as fin nippers. small or nano fish should also be avoided or kept with extreme caution as even though spotted silver dollars are herbivores they have been observed to display omnivorous behavior. Aside from this a wide range of cichlids and commonly available species can be kept with them. 

Usually Compatible

A vast range of bottom-dwelling South American cichlids such as Geophagus, Salvini, Convicts, and other peaceful South American species such as Flag-Tail Prochilodus, Dianema catfish, and larger body Tetras. 

Sometimes Compatible

Semi-aggressive species such as jack Dempseys and smaller species such as Corydoras catfish.

Rarely Compatible

Large and aggressive South American cichlids such as jaguar cichlids, dovii cichlids, and nano species such as neon tetras.

Feeding your Spotted Silver Dollar

The spotted silver dollar is a very easy fish to feed. It will readily eat a wide range of foods being frozen, pellet, flake, and fresh food. Their diet should contain good quality herbivore pellet. with high contents of spirulina or greens. Floating pellets or slow sinking pellets as they can feed comfortable and also display their characteristic ‘frenzy’ feeding behavior 

More Information
Scientific Name Metynnis Sp.Aff Maculatus
Care Level Moderate
Common Names Spotted Silver dollar, spotted metyinnis
Diet Herbivore
Fish Family Characidae
Lifespan (years) 10
Max. Length (cm) 15
Min. Tank Volume (l) 283 Litres
Origin South America
Reef Safe No
Sociability Peaceful
Venomous No
Water Conditions 24-26° C (75.2-79° F), pH 5.0-7.0
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