Young whale shark (Rhincodon typus), filter feeding near snorkeler at El Mogote, Baja California Sur, Mexico, North America

Young whale shark (Rhincodon typus), being biopsied by researcher at El Mogote, Baja California Sur, Mexico, North America

Researcher Stephanie Martin processes a blubber biopsy from an adult blue whale, Balaenoptera musculus, Antarctica.

Researcher Stephanie Martin processes a blubber biopsy from an adult blue whale, Balaenoptera musculus, Antarctica.

Researcher Stephanie Martin processes a blubber biopsy from an adult blue whale, Balaenoptera musculus, Antarctica.

Researcher Stephanie Martin processes a blubber biopsy from an adult blue whale, Balaenoptera musculus, Antarctica.

Researcher Stephanie Martin takes a blubber biopsy using an arrow fired from a crossbow of an adult blue whale (Balaenoptera musculus), South Orkney islands, Antarctica, Southern Ocean

Mammotome.

Positioning for a macrobiopsy.

Mammotome

At the Center of Marine Biotechnology, Baltimore MD Yohan Zohar holds a female sponge blue crab and takes a biopsy of embryos. One female can give up to 3 million embryos.