Dottybacks · Pseudochromidae
Care levelBeginner
Orchid Dottyback
Pseudochromis fridmani
A lavender-to-violet Red Sea dottyback with a dark stripe through the eye. Captive-bred individuals are available. Although relatively manageable among dottybacks, it can defend caves and chase smaller fish.
Generally adaptable and willing to take suitable foods, but cave defense and interactions with similar fish require observation.
Recommendation
Would you recommend this fish for a suitable saltwater aquarium?
30+ galRecommended tank
3 inchesAdult size
Semi-aggressive / territorialTemperament
Generally compatibleCoral safety
+ Why you’ll love them
- Orchid-purple coloration and a distinctive eye stripe.
- Captive-bred specimens are available.
- Usually accepts appropriately sized prepared marine foods.
! Things to consider
- May defend shelter and chase small or timid fish.
- Other dottybacks and similar cave dwellers can provoke disputes.
- Small crustaceans may be eaten; reef safety does not mean universal invertebrate safety.
Tank and habitat
- Recommended volume
- 30 US gallons or larger; allow for stocking and layout.
- Full-grown size
- 3 inches (maximum adult size)
- Tank footprint and swimming space
- Provide several separated caves, sight breaks and routes through the rockwork. Additional height alone does not create extra territories.
- Tank maturity
- Use a fully cycled, stable marine aquarium. A verified species-specific month threshold is not established here; tank age alone does not prove readiness. Suggested tank age is a planning guide, not proof of readiness. Complete cycling, stable water and the right food supply are essential.
- Habitat and equipment
- Arrange secure caves, shaded crevices and open feeding access with circulation and filtration. Cover openings and protect equipment intakes.
Care and compatibility
- Temperament
- Semi-aggressive / territorial
- Why this care level
- Generally adaptable and willing to take suitable foods, but cave defense and interactions with similar fish require observation.
- Suitable tank mates and conflicts
- Choose appropriately sized marine community fish. Timid gobies, small basslets and other dottybacks may be chased. A larger tank reduces some conflicts but does not guarantee compatibility.
- Alone, pair or group
- One is the simpler aquarium plan. Breeder guidance reports success with carefully introduced small groups and abundant shelter; this is not a guarantee for arbitrary adults or mixed dottyback species. Keep a separation plan.
Corals and invertebrates
- Coral safety
-
Generally compatible
Generally compatible with coral tissue. Monitor individual behavior and its interactions with fish sheltering around corals. - Shrimp safety
-
With caution
With caution: small crustaceans may be eaten. Do not assume every ornamental shrimp is safe or rely on this fish as guaranteed pest control. - Snail safety
-
Generally compatible
Generally compatible with established aquarium snails; tiny larvae or food organisms may be eaten. - Clam safety
-
Generally compatible
Generally compatible with clam tissue; observe individual behavior and continue normal feeding.
Food and feeding
- Diet
- Carnivore; small marine meaty foods
- Feeding plan
- Provide varied small marine meaty meals regularly, at least daily, and confirm that both the dottyback and less assertive tank mates can eat.
- Prepared or live food
- Appropriately sized mysis, enriched brine shrimp and suitable frozen marine foods; quality small carnivore pellets or flakes if accepted.
Water conditions
- Temperature
- 72–78 °F (22–26 °C) is the published aquarium reference range. Maintain stable conditions and consider all tank inhabitants.
- Specific gravity
- Specific gravity 1.020–1.025 is the published fish-care reference. Also meet the needs of corals and other invertebrates.
- pH
- pH 8.1–8.4. Maintain stability and monitor alkalinity rather than making abrupt corrections.
Long-term care
- Lifespan
- The references used here do not establish a dependable typical captive lifespan. Plan for long-term care rather than an invented average.
- Growth and future planning
- Published aquarium guidance lists about 3 inches. Adult territory and introduction history matter as well as body length.
Before you buy
- Is this fish right for your tank?
- Provide at least the published 30-gallon individual reference with multiple refuges. Confirm feeding and consider whether timid gobies, basslets or small shrimp already occupy the rockwork.
- Buying checklist
- Ask for a captive-bred, reliably feeding specimen and confirm Pseudochromis fridmani. Check the eye stripe, body condition, fins and breathing; plan quarantine and obtain the seller’s feeding routine.
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