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Dottybacks

Magenta dottyback

Pictichromis porphyrea

Also sold as Strawberry dottyback, Purple dottyback

Magenta dottyback (Pictichromis porphyrea), photographed in the sea or an aquarium
Photo: Brian Gratwicke, CC BY 2.0, via Wikimedia Commons
Care level
Intermediate
Adult size
7.6 cm in aquariums
Minimum tank
114 litres
Temperament
Semi-aggressive
With corals
Reef safe
Captive-bred
Wild-caught (captive-bred rare)
IUCN status
Least Concern
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How do you care for the magenta dottyback?

Semi-aggressive; attacks similar shapes and colours, especially peaceful fish added after it.

Feeding

Carnivore.

Colour fades without varied pigment-rich foods. typical, check

Tank and special needs

Plan for at least 114 litres of water (the care sheet says 30 US gallons).

Rockwork.

Corals and invertebrates

Tiny shrimp.

Which tankmates suit the magenta dottyback?

Add after other livestock; one per tank.

Suggested order in a mixed tank: add last, after the peaceful fish have settled.

More than one magenta dottyback

Keep one magenta dottyback: two of the same species usually fight.

Other fish

Checked against the other 59 fish in this guide, assuming a tank big enough for both. Individual fish differ, so treat this as a starting point.

Avoid together (3)

  • Royal dottybackBoth are Pictichromis; close relatives defend the same space and food.
  • Orchid dottybackDo not mix dottyback species in a home tank; they fight over territory.
  • Neon dottybackDo not mix dottyback species in a home tank; they fight over territory.
Usually fine together (56)

Invertebrates

Only the invertebrates with a known risk are listed.

Take care (6)

  • Skunk cleaner shrimpMagenta dottyback may eat very small shrimp; adult skunk cleaner shrimps are usually safe.
  • Peppermint shrimpMagenta dottyback may eat very small shrimp; adult peppermint shrimps are usually safe.
  • Camel shrimpMagenta dottyback may eat very small shrimp; adult camel shrimps are usually safe.
  • Tiger tail sea cucumberA stressed or dead tiger tail sea cucumber can release toxins that harm fish; cover pump intakes.
  • Sea appleA stressed or dead sea apple can release toxins that harm fish; cover pump intakes.
  • Harlequin shrimpMagenta dottyback may eat very small shrimp; adult harlequin shrimps are usually safe.

Corals and anemones

Only the corals and anemones with a known risk are listed.

Take care (1)

These checks follow the reasons fish and invertebrates clash: same species or genus, similar shape, mouth size, temperament, food, burrows, tank size and the order they are added. Individual animals differ; every source agrees on that.

Quarantine and health

Standard.

New fish are the most common way disease gets into a reef tank. Quarantine every fish in a separate tank before it joins the display, and choose a method that suits its tolerance of copper.

Captive-bred or wild?

Wild-caught mostly.

Where sources disagree

Where sources disagree
TopicWhat sources sayOur reading
Minimum tank
  • 10 US gallons in one reference book.
  • 20 to 30 US gallons from a US retailer and a news site.
Use about 114 litres (30 US gallons); aggression rises in small tanks.

Other minimum tank sizes we found:

Sources

  1. LiveAquaria (US retailer) care sheetRead 21 October 2026, read in full. Used for: stats.
  2. Microcosm Aquarium Explorer entryRead 21 October 2026, search summary only. Used for: tank size.
  3. Reef Builders articleRead 21 October 2026, search summary only. Used for: overview.
  4. FishBase species summaryRead 21 October 2026, read in full. Used for: max length, IUCN.

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