1. Some lingcod moved 4 to 6 kilometers away from their home pinnacle, but ultimately returned to it, " Reynolds said."

2. Among lingcod, Bishop explained, the male not only chooses the nesting area—which he uses to help attract a mate—but also guards the nest after the female deposits her eggs there.

3. "I hope it didn't eat our lingcod, " he said. "I don't think it did.

4. Over the past couple of decades, authorities fear, lingcod stocks in some areas along the Pacific coast have been dangerously depleted by overfishing.

5. The large number of detections made sense: Lingcod had been tagged near this receiver in the first place, and for them the area was probably home.

6. Lingcod, Ophiodon elongates , a rare fish found on the west coast of North America, are an important commercial and recreational fish species.

7. When the Auklet arrived at our second site, a female lingcod with tag number 28781 obligingly swam by and announced her presence with a ping.

8. We lowered a tiny video camera over the side, hoping to watch the underwater action live on a screen in the ship's wheelhouse, but our lingcod stayed out of sight.

9. Since transmitter batteries last over two, information gathered as the lingcod wanders will eclipse the sum of all prior knowledge.