Neonatal predation in multispecies aquarium exhibits can prevent detection of captive breeding by wobbegong sharks. We used ultrasonography and isolation strategies to prevent neonatal predation and maximize survival/growth of the dwarf ornate wobbegong (Orectolobus ornatus de Vis, 1883). We captured seven free-living wobbegongs (two males and five females) and subjected each animal to a health assessment which led to the euthanasia of one female with a retained hook. Ultrasonography showed that females were pregnant, one was preovulatory, and one was in a resting phase. Two females (one pregnant) and one male were placed in isolation in each of two tanks. In October 2006, 25 neonates were born overnight with the two litters placed into separate neonate tanks. Over the ∼6.5-month monitoring period, four neonates with reduced body condition died without premonitory signs resulting in a 63.0% annual survival rate. Finite growth rates did not differ between sexes or litters and averaged (±SE) 12.2 (1.5) cm/year and 156.4 (26.4) g/year. At the cessation of monitoring, total length had increased by ∼30%, whereas total weight had almost doubled with neonatal body condition in line with free-living wobbegongs. Our efficacious, six-step manipulative, the approach should be applicable with all wobbegongs given their reproductive similarities, but we recommend that efforts focus on the dwarf ornate, tasselled and Japanese wobbegongs because all are small in size and have bred in aquaria. Ultimately, this approach should produce self-sustaining aquarium populations, place less reliance on the wild acquisition and provide animals for other aquaria, population restocking, or scientific research.

中文翻译：

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侏儒华丽 wobbegong 的圈养分娩和新生儿生长（Orectolobus ornatus de Vis，1883）

多物种水族馆展品中的新生儿捕食可以防止被沃贝贡鲨鱼发现圈养繁殖。我们使用超声检查和隔离策略来防止新生儿捕食并最大限度地提高侏儒华丽 wobbegong 的存活/生长（Orectolobus ornatus de Vis，1883）。我们捕获了七只自由生活的 wobbegongs（两只雄性和五只雌性），并对每只动物进行了健康评估，最终对一只带有钩子的雌性进行了安乐死。超声检查显示女性已怀孕，一名处于排卵前，一名处于休息期。两个雌性（一个怀孕）和一个雄性被单独放置在两个水箱中的每一个中。2006 年 10 月，25 名新生儿一夜之间出生，两窝分别放入单独的新生儿水箱。在 ~6.5 个月的监测期内，4 名身体状况下降的新生儿在没有先兆症状的情况下死亡，年存活率为 63.0%。有限增长率在性别或窝之间没有差异，平均 (±SE) 12.2 (1.5) 厘米/年和 156.4 (26.4) 克/年。在监测停止时，总长度增加了约 30%，而随着新生儿身体状况与自由生活的 wobbegongs 一致，总重量几乎增加了一倍。我们有效的六步操作，鉴于它们的繁殖相似性，该方法应该适用于所有 wobbegongs，但我们建议重点关注矮小的华丽、流苏和日本 wobbegongs，因为它们的体型都很小，并且都是在水族馆中繁殖的。最终，这种方法应该产生自给自足的水族馆种群，减少对野生采集的依赖，并为其他水族馆提供动物，