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Study suggests more fish than thought may thrive in the ocean's depths

A study of the occurrence of fishes in the ocean's deepest reaches -the hadal zone, below 6000 meters -- has provided evidence that some species of fishes are more numerous at such depths than experts had thought. The authors of the study, which is published in the July/August issue of BioScience, observed 10 to 20 snailfish congregating at a depth of 7703 meters around a baited video lander in the Japan Trench.