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FisheasyFreshwater

Dalmatian Platy

Xiphophorus maculatus

📍 Aquarium-developed color variety; wild platies originate from Central America (Mexico and Guatemala), but the Dalmatian pattern is a tank-bred morph.

The Dalmatian Platy displays a striking silver or pale body covered with black spots or blotches, resembling a dalmatian dog—a visually distinctive color morph of the common platy. These peaceful, hardy livebearers are excellent community fish that remain active throughout the tank and are ideal for beginners.

Size2.5"
Min Tank10g
School5+
peaceful
Zonemiddle

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Care Guide

Diet

Dalmatian Platies are omnivorous and thrive on a varied diet of high-quality flake food, micro pellets, and occasional blanched vegetables such as spinach or zucchini. Supplement with small amounts of live or frozen foods like brine shrimp or daphnia 2-3 times weekly to promote color and health. Feed small portions 1-2 times daily, only what they can consume in 2-3 minutes.

Behavior

Dalmatian Platies are peaceful, active mid-water swimmers that spend much of their day foraging and exploring. They are highly social and should be kept in small groups of at least 5 fish, ideally with more females than males to prevent male-on-male aggression and excessive harassment of females. They are excellent community fish that rarely show aggression toward other peaceful species.

Breeding

Platies are prolific livebearers that give birth to fully-formed, free-swimming fry every 4-6 weeks without requiring a separate breeding tank. Females can store sperm and produce multiple broods from a single mating. In a community tank, most fry will be eaten by adults and tank mates, but some may survive if dense plants or a breeder box is provided. They readily hybridize with other platy and swordtail color morphs, so separate males and females if selective breeding is desired.

Common Diseases

Ich (White Spot Disease)

Symptoms

White spots on body and fins, rapid breathing, rubbing against objects, lethargy

Treatment

Raise temperature gradually to 28-30 C (82-86 F) over 48 hours and maintain for 7-10 days; use aquarium salt (1 tsp per 5 gallons) or commercial ich medication; perform 25% water changes every 2-3 days

Fin Rot

Symptoms

Frayed, torn, or disintegrating fins; white or black edges on fins; lethargy

Treatment

Perform 25-50% water changes immediately and daily; improve water quality and reduce stress; use antibacterial medication (e.g., tetracycline) if severe; remove sharp decorations

Fungal Infection

Symptoms

White or gray fuzzy growth on body or fins, loss of appetite, isolation

Treatment

Perform 50% water change; treat with antifungal medication (e.g., methylene blue or malachite green); increase aeration; maintain water temperature at 24-26 C (75-79 F); remove affected food and debris

Shimmies (Shimmy Disease)

Symptoms

Rapid side-to-side body movements, trembling, loss of balance, poor appetite

Treatment

Perform immediate 50% water change; test and correct pH, hardness, and mineral levels; ensure adequate calcium and magnesium; improve filtration; maintain stable water parameters; may indicate poor water quality or mineral deficiency

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Quick Facts

diet
omnivore; flake food, micro pellets, blanched vegetables, occasional live/frozen foods
lifespan
3-5 years
max size
6 cm (2.4 in)
tank size
10 gallons minimum
temperament
peaceful

Water it likes

ph
7.0-7.8
ammonia
0 ppm
nitrate
<20 ppm
hardness
10-25 dGH
temperature
72–79°F (22–26°C)

Stats

Community tips0
Kept by0 hobbyists