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Typisch für Meeresbiologen: auf einem Tauchgang werden die Gehäuse der Großen Fechterschnecke untersucht. Notizen werden direkt unter Wasser gemacht. Mit einem gewöhnlichen Bleistift kann man unter Wasser auf Kunststoff schreiben.

Two divers measure and document the size of queen conches on the sea floor: NOAA divers Dr. Ron Hill (left) and Dr. Jennifer Leo measure queen conch while diving in Buck Island Reef National Monument off St. Croix, US Virgin Islands.

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