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The Fascinating World of Dottybacks: A Guide to Colorful Aquarium Fish

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Dottybacks, belonging to the family Pseudochromidae and genus Pseudochromis, are vibrant marine fish commonly found in tropical coral reefs. Aquaculturally, they are more accessible and economical, making them popular amongst aquarium enthusiasts. Known for their territorial behavior, they exhibit varying aggression levels depending on the species, such as the semi-aggressive Diadem dottyback and the aggressive Bicolor dottyback. Their hermaphroditic nature adds to their unique reproductive behaviors, making them a fascinating addition to any tank. Ensure to provide plenty of hiding spots and low light to replicate their natural habitat.

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The Fascinating World of Dottybacks: A Guide to Colorful Aquarium Fish

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  1. Dottybacks Morgan Oliver Aquaculture 2014

  2. What are Dottybacks? • Family Pseudochromidae, Genus Pseudochromis • Ornamentals • Found in coral reefs in the wild • Cheaper in aquaculture • More readily available now

  3. More basic info • Hermaphroditic • Hardy aquarium fish, adapt quickly • territorial • May eat tankmate, can be aggressive • Prefer dim tanks

  4. Picture perfect

  5. Taxonomy- aquacultured species • Orchid dottyback • A. fridmani • territorial • Most “laid back”

  6. Taxonomy- aquacultured species • Diademadottyback • P. diadema • Semi-aggressive • Like to be hidden

  7. Taxonomy- aquacultured species • Striped dottyback • P. sankeyi • Live in colonies • Less aggressive

  8. Taxonomy- aquacultured species • Sunrise dottyback • P. flavivertex • Moderately aggressive/territorial

  9. Taxonomy- aquacultured species • Bicolor dottyback • P. paccagnellae • Aggressive and territorial

  10. Taxonomy- aquacultured species • Elongate dottyback • P. elongatus • less aggressive • rare

  11. Taxonomy- aquacultured species • Magenta dottyback • P. porphyreus • Similar to orchid dottyback

  12. Taxonomy- aquacultured species • Indigo dottyback • P. fridmani x sankeyi • Show mild behavior of striped dottyback

  13. Taxonomy- aquacultured species • Neon dottyback • P. aldabraensis • Aggressive

  14. Taxonomy- aquacultured species • Black margin dottyback • P. tapeinosoma • Very aggressive to conspecifics (same species)

  15. Taxonomy- aquacultured species • Springeridottyback • P. springeri • Aggressive to conspecifics

  16. Taxonomy- aquacultured species • Splendid dottyback • M. splendens • May eat crustaceans • Somewhat aggressive

  17. Cost • Very expensive if caught in wild • Much cheaper in aquaculture • Can find them in most pet stores

  18. Life cycle of reef fishes • Adults spawn • Hatched larvae are taken to open ocean where they feed on zooplankton near surface • Larvae mature and become equipped to survive pelagic environment • Few make it back to the reef, transfer into juveniles, and then sexually mature into adults

  19. Reproduction in captivity and production methods • One mated pair per tank • They are hermaphroditic, one will grow larger and become the male • Females spawn 2-4 times/month • Males responsible for eggs

  20. Reproduction in captivity and production methods • Female deposits eggs into male’s nest • Male fertilizes and cares for the eggs • After spawning, eggs hatch on the evening of 5thday

  21. Reproduction in captivity and production methods • Transparent larvae • Separated from adults • Active in the entire water column • Grow very fast when taken care of correctly

  22. Reproduction in captivity and production methods • Day 9- slight coloration • Day 20- juveniles, not larvae • Day 25-30 – juveniles start to settle out and need hiding places to undergo metamorphosis • Adult coloration within 7 days • Stay in hiding and eat what floats by • Rapid growth

  23. Feeds and feeding • Preferably, foods high in natural pigments • Plankton, bloodworms, brine shrimp, pellets, flakes • Live rock is helpful

  24. Water chemistry and culture requirements • Salt water • Lots of hiding places and low light, since they are used to deep water • Alkalinity: 124-214 ppm • pH- 8.1-8.4 • Temp- 22-26 C

  25. sources • http://www.google.com/imghp?hl=en&tab=wi&ei=2xW7U9z0ErHSsASfn4D4AQ&ved=0CAQQqi4oAg • http://www.orafarm.com/products/fish/dottybacks • http://reefkeeping.com/issues/2002-02/hcs3/index.php • http://www.advancedaquarist.com/2003/3/breeder • http://www.rcthawaii.com/reproduction/4.htm • http://www.seaandreef.com/marine-ornamental-fish/dottybacks/orchid-dottyback

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