The Spotted-Gill Cardinalfish,Ostorhinchus chrysopomus, is not the most sexy, exotic fish for us Reef Tank Keepers. But I will disagree with this statement for few reasons: cardinalfish are nocturnal and live in schools, so they are a very attractive display, and a very important educational fish for public aquariums to teach about fish schooling and about diurnal shift on the reef.
And the second reason the spotted gill cardinalfish is a good breed, is because juveniles school quietly among corals all day long, they are a very good coral feeder. They poop all day long right on top of corals, delivering food right on the coral’s front door. So they could be the perfect coral-farming associated fish, but they are also voracious nocturnal micro predator, that will feed on many crustaceans and other small fishes.
Oceanopolisfrom Brest in North-east of France on the Atlantic side, is starting a new Captive Breeding program for reef fishes. It was decided at the UCA (French Union of Aquarium Curators) that all public aquarium in France will start such a program to help develop aquarium fish captive breeding.
自今年年初以来，他们开始实现这一新目标，并开始针对该计划的某些物种。第一个要度过的是斑点灰的红雀鱼。此时，有2个少年有2个月以上的少年，有140多种鱼类，还有几批幼虫批次排队。
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两双Spotted-Gill Cardinalfishwere installed end of last year, in a 600 l (150 gl) tank with a sand layer and some flower pots. An egg/larva collector was used on the overflow and it only took a couple of month before they started spawning. Males are in charge of mouthbrooding, for around 10 days after which larvae are around 3.4 mm long, and are very active and feed on first day, to reach 4.5 mm the fourth day. They are fed with enriched rotifers and copepods (Acartia tonsa), then with Artemia nauplii. After 30 days, they are moved to the growing system.
Hope this will inspire other to produce this fairly easy and interesting species. This could be achieve by a lot of our hobbyist. This work was the fruit of the whole Oceanopolis team, but the main reward goes to Yann Leblain and Geoffroy Chancerelle. A great thank you toC-feed为他们提供活食。许多其他物种都在管道上，因此请继续关注未来几个月有关圈养育种的更多新闻。
