$55 flat-rate overnight shipping 30-day arrive-and-stay-healthy guarantee Fish questions? Email Josh
I've been ordering from Live Fish Direct for 25 years. Larry Cronin Google review Read customer reviews
$55 flat-rate shippingPriority Overnight 30-day fish guaranteeArrival and health coverage
I've been ordering from Live Fish Direct for 25 years. Larry Cronin Google review Read customer reviews
Add to an existing order?Log in to add on

Community Fish Medium+

Mono Argentus (Silver Moony)

Transform your aquarium with the Mono Argentus, also known as the Silver Moony, a stunning fish that thrives in freshwater environments when raised from juvenility. Perfect for large, diverse aquariums.

5 in stock 1 option available
Community Fish Medium+1 option availableSelected at the farm
Choose size and sexEach available option shows its own price and stock.

Use the + and - controls to build your order. Quantity discounts begin at 3 fish.

Premium Unsexed - 1.75 in 30 available

We inspect the whole group and aim for a sensible mix when several are ordered. Sex is not guaranteed at this size.

How we select unsexed fish
Buy more, save more 3-5 fish 5% off 6-11 fish 10% off 12+ fish 15% off
Choose an arrival date at checkout Packed once and shipped from our farm

Unsure which option fits your aquarium? Email Josh.

About Mono Argentus (Silver Moony)

Explore the Fascinating World of Mono Argentus Delve into the captivating world of the Mono Argentus, traditionally known as a brackish species but now thriving in freshwater aquariums. This adaptability makes the Silver Moony an intriguing choice for aquarists looking to add a touch of silver brilliance to their freshwater setups.

Striking Physical Appearance With a bright, silvery body and yellow-tinted edges on its dorsal, anal, and caudal fins, the Mono Argentus is a visual spectacle. Juveniles display more pronounced yellow dorsal fins and vertical black bands that fade as they mature, making them especially eye-catching in any aquarium setting.

Habitat and Aquarium Care Mono Argentus requires a spacious tank, ideally 125 gallons or larger, to support their active swimming habits. The tank setup should include moderate lighting and natural decor like rocks, plants, and driftwood, which helps simulate their natural environment and keep them healthy and active.

Diet and Nutrition As omnivores, Mono Argentus thrive on a mixed diet of plant matter and meaty foods. Offering brine shrimp, bloodworms, and vegetable matter like blanched lettuce or peas ensures they receive all the nutrients needed to maintain their health and vibrant coloration.

Social Behavior and Compatibility While generally peaceful, Mono Argentus can display semi-aggressive tendencies towards similar species if cramped for space. Maintaining them in groups in a large tank can help mitigate stress and aggression. They are compatible with many other large freshwater species that are not overly aggressive.

Breeding Challenges Breeding Mono Argentus in freshwater setups poses challenges, with successful cases being rare. They typically spawn in more saline conditions, adding a layer of complexity for breeders.

A Rewarding Challenge for Advanced Aquarists For those looking to diversify their freshwater tanks, the Mono Argentus offers beauty and a rewarding challenge. While requiring attentive care to water quality and diet, these fish can lead healthy, vibrant lives in freshwater and contribute dynamically to the ecosystem of any large aquarium.

Category
Community Fish Medium+
Current choices
1 option available
Mono Argentus (Silver Moony) at Live Fish Direct