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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.
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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.
Tank Mates
Same species, peaceful, compatible breeding and behavior
Same species, peaceful, compatible breeding and behavior
Small, peaceful schooling fish; similar water parameters
Small, peaceful, similar size and temperament
Peaceful bottom-dweller; no competition for space or food
Small, peaceful algae-eater; occupies different tank zone
Common Diseases
Ich (White Spot Disease)
White spots on body and fins, rapid breathing, rubbing against objects, lethargy
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
Frayed, torn, or disintegrating fins; white or black edges on fins; lethargy
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
White or gray fuzzy growth on body or fins, loss of appetite, isolation
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)
Rapid side-to-side body movements, trembling, loss of balance, poor appetite
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)