Origin:Malaysia, Malakka, Selangor forest.
Etymology: Named after Harvey.
First European import: England, 1984, by Barbara and Allen Brown.
Care: Best kept in a species tank, although they can be kept in larger well planted community tanks at pH 6-6.5 and soft water, as long as the other tank inhabitants aren't too robust(For example with asian barbs, chocolate guramis, small red bettas, even with apistogrammas or discus-fish). Juveniles swim in schools, although older males are solitary and require a hole which they will defend against other males. Lots of driftwood, oak leaves and cocunut shells will provide the fish with a proper environment.
Feeding:Lots of small live food, grindal, artemia, daphnia and blood and whiteworms.
Breeding: Difficult. Will spawn in holes under a hardly noticeable(sometimes no) bubblenest. PH under 5, hardness close to zero, lots of food and frequent waterchanges(every other day 10-20% with RO water). Up to 40 eggs can be laid, but usually less. If the fish have been kept in improper conditions for a prolonged period the reproductive organs may stop functioning.
Sexual dimorphism: Male more colorfull.
Prices: Breeders sell fish for 3-4.5€.
Additional:Since in most shops (if ever available) all Parosphromenus are sold as P. deissneri it's always a surprise which species the fish will turn out to be. Best to acquire all animals, or at least 6. Baensch and Riehl report that many species of parosphromenus will cross-breed, and should never be kept together.
Picture references:Picture 1: Klaus Weissenberg(click to see the full size image).
References: Baensch, H. A., Riehl, R.(1985): Aquarien Atlas II. Mergus Verlag, Melle, Germany.
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