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Description
Emerald File Fish Monacanthus CiliatusEmerald File Fish Monacanthus Ciliatus Overview The Emerald File Fish, scientifically known as Monacanthus ciliatus, is a unique and striking marine species known for its vibrant green hues and velvety texture. It is a relatively small fish, reaching up to 5 inches in length, and is characterized by its elongated body and small, retractable spine on its dorsal surface. This fish is a master of camouflage, blending seamlessly with its surroundings to
Emerald File Fish Monacanthus CiliatusOverview
The Emerald File Fish, scientifically known as Monacanthus ciliatus, is a unique and striking marine species known for its vibrant green hues and velvety texture. It is a relatively small fish, reaching up to 5 inches in length, and is characterized by its elongated body and small, retractable spine on its dorsal surface. This fish is a master of camouflage, blending seamlessly with its surroundings to evade predators.
Origin
Native to the warm, tropical waters of the Western Atlantic Ocean, the Emerald File Fish can be found from Florida and the Bahamas, down to the coasts of Brazil. They prefer reef environments, where they can hide among corals and sponges.
Feeding
Emerald File Fish are omnivores with a preference for algae and small invertebrates. In an aquarium setting, they should be offered a varied diet consisting of marine algae, spirulina, mysis shrimp, and brine shrimp. They may also nibble on small polyps of certain corals, so it's essential to monitor their feeding habits in reef tanks.
Tank Mates
This species is generally peaceful and can coexist with a variety of other fish species. Ideal tank mates include small, non-aggressive fish such as clownfish, damsels, and gobies. They should not be housed with large, aggressive fish that may intimidate or harm them.
Aggression
Emerald File Fish are typically not aggressive towards other fish but can become territorial with members of their own species or similar-looking fish. It's advisable to keep them singly or in mated pairs to avoid conflict.
Experience Level
Due to their specific dietary and environmental needs, Emerald File Fish are best suited for intermediate to advanced aquarists. Caretakers should be familiar with maintaining stable water conditions and providing a varied diet to ensure their health and wellbeing.
Water Parameters
- Temperature: 72-78°F (22-25.5°C)
- pH: 8.1-8.4
- Specific Gravity: 1.020-1.025
- Alkalinity: 8-12 dKH
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Perfect ball for dogs!
Size: Medium, Style: Medium (4 Pack), Size: Medium, Style: Medium (4 Pack)
Love these balls for my dog. They have a nice weight to them so you can throw them far. The material is very bouncy, so they do sometimes bounce over my fence, but they are very tough and not easily destroyed / very chew resistant. My dog is ~65lbs, it’s a perfect size for her, and she loves these and regular tennis balls the most. She is still able to squeeze it in her mouth, so it still has some softness / some give for her to enjoy.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect toy for my corgis!
Size: Medium, Style: Medium (4 Pack)
Durable enough for my two corgis. Nonstop chewing cannot destroy these, highly recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Playing fetch for hours
Size: Medium, Style: Medium (4 Pack)
Tennis balls with the hairs pick up so much dirt and then that goes right into my dog's mouth. These are cleaner, my dog loves them, and they are easy to find when my pup decides he's done and drops it in the lawn or the snow. They hold up well after playing hours of fetch with my border collie.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Our favorite ball to play fetch with!
Size: Medium, Style: Medium (4 Pack)
The Chuckit! Ultra Ball Dog Toy is our dog’s favorite ball to play fetch with! Amazing quality and they have lasted us years! They are extremely durable and the perfect size for playing fetch. Great product!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Built tough for puppies
Size: Medium, Style: Medium (4 Pack)
These are great, the bright color stands out in grass outdoors they bounce well on hard floors indoors, and they’ve held up well even after a couple weeks of a very chew happy puppy playing with them.
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Reviewed in the United States on May 26, 2026
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