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FishmediumFreshwater

Silver Flying Fox

Crossocheilus reticulatus

📍 Southeast Asia

The Silver Flying Fox (Crossocheilus reticulatus) is an active, algae-eating cyprinid from Southeast Asia, prized for its ability to consume various types of algae including black beard algae. It features a sleek, silver body with a distinctive reticulated scale pattern and a characteristic horizontal stripe. This species is a great addition to planted tanks needing natural algae control, though it can become territorial with age.

Size5"
Min Tank55g
semi-aggressive
Zonebottom

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Care Guide

Diet

The Silver Flying Fox is primarily an herbivore/omnivore that excels at consuming algae, including the notoriously difficult black beard algae. Supplement its diet with high-quality sinking algae wafers, blanched zucchini or spinach, and occasional protein-rich foods like bloodworms or brine shrimp. Feed once or twice daily, offering only what can be consumed within a few minutes.

Behavior

Silver Flying Foxes are active, fast-moving fish that spend most of their time grazing on surfaces such as rocks, driftwood, and plant leaves. They can be territorial toward their own kind and similar-looking species, especially in smaller tanks, so it is generally best to keep only one unless the aquarium is very large. They are peaceful toward dissimilar fish and are most active during the day.

Breeding

Breeding Crossocheilus reticulatus in captivity is extremely rare and has not been reliably documented in home aquaria. Like many cyprinids, they are thought to require specific hormonal or environmental triggers to spawn. Most specimens available in the hobby are wild-caught or commercially bred using hormone injections.

Common Diseases

Ich (White Spot Disease)

Symptoms

Small white spots resembling grains of salt on body and fins, flashing against surfaces, lethargy

Treatment

Raise temperature gradually to 28-30 C, treat with ich-specific medication such as copper-based treatments or malachite green; perform frequent water changes

Fin Rot

Symptoms

Frayed, discolored, or deteriorating fin edges, sometimes with reddening at the base

Treatment

Improve water quality with frequent water changes, treat with antibacterial medication such as kanamycin or erythromycin

Velvet (Oodinium)

Symptoms

Gold or rust-colored dust-like coating on skin, rapid gill movement, flashing, lethargy

Treatment

Dim lighting, treat with copper-based medication or acriflavine; quarantine affected fish and raise temperature slightly

Intestinal Parasites

Symptoms

Wasting despite good appetite, stringy or white feces, bloating

Treatment

Treat with antiparasitic medication such as metronidazole or praziquantel added to food or water; quarantine affected individuals

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Quick Facts

diet
Omnivore/herbivore – algae, biofilm, sinking pellets, blanched vegetables
lifespan
5-8 years
max size
13 cm (5 in)
tank size
55 gallons minimum
temperament
semi-aggressive

Water it likes

ph
6.5-7.5
ammonia
0 ppm
nitrate
<20 ppm
hardness
2-12 dGH
temperature
72–79°F (22–26°C)

Stats

Community tips0
Kept by0 hobbyists