Glossary - K
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K

kelp rockfish
Sebastes atrovirens
kerplunks
technique used by dolphins to drive fish away from protected areas such as sea grass beds. A dolphin will lift its tail and lower body out of the water and crash it down on the water surface. This causes a loud splash and creates a trail of bubbles under the water. The bubbles startle the fish hiding in the seagrass and flush them from their hiding places, making it easier for the dolphin to detect them.
killer whale
Orcinus orca
Kina
Evechinus chloroticus
kinetic energy
the energy possessed by a system or object as a result of its motion.
knots
a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph.
krill
small, shrimp-like invertebrates (also called euphausiids) that swarm in dense patches within the water column or at the sea surface. They have hard mouths and tail parts that reflect sound. Krill is an important food source for many marine organisms including whales and seals.