captivity
captivity on World Data Ocean: a running collection of 3 stories we have gathered and hand-picked because they are worth your time. Every post here touches on captivity in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around captivity, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.
Development of methods for spawning, fertilization, larval husbandry, and settlement in the temperate coral Astrangia poculata
The temperate coral *Astrangia poculata* is rapidly gaining prominence as a valuable model organism for research into symbiosis and early development. To facilitate broader scientific investigation, a multi-institutional collaboration has developed and validated standardized methods for its complete life cycle culturing. These protocols, established between 2016 and 2025, encompass reliable spawning induction via thermal treatment, high fertilization rates (up to 93%), larval husbandry with feed supplementation, and settlement achieved using tetrabromopyrrole.
Elephants can relearn how to live wild after years in captivity
Following years of captivity, elephants demonstrate a remarkable capacity for relearning wild behaviors, according to recent research. A study documenting the rehabilitation of 11 elephants revealed striking behavioral parallels between these individuals and their wild counterparts, validating the potential for successful reintroduction programs. This empirical evidence underscores the resilience of these animals and offers valuable insights for conservation efforts. For further exploration of ecological data analysis, see our related article, "Limitations of using the canopy to infer the structure and functioning of giant kelp forests."
Questions about the debate around orca species vs ecotypes: How certain are we that the various ecotypes of orcas don’t interbreed? Should that even matter? Are the behavioral differences between ecotypes relevant to them possibly being distinct species?
The classification of orca populations—often referred to as ecotypes—and whether they represent distinct species remains a subject of ongoing scientific debate. Genetic data currently suggests limited interbreeding between these ecotypes, though captive breeding demonstrates the potential for hybridization. While behavioral differences are frequently cited, the high cognitive abilities of orcas may contribute to behavioral diversity, complicating species delineation. Concerns exist regarding potential biases in taxonomic reclassifications driven by publication pressures.