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West Coast Groundfish Observer Program Manual, Part2 - NOAA

West Coast Groundfish Observer Program Manual, Part2 - NOAA

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APPENDIX M<br />

Appendix M: Injury Key for Hook & Line Caught Pacific Halibut<br />

Injury Key for Hook & Line Caught Pacific Halibut<br />

1a. Fish is alive.....................................................................................………………….. Go to 2a<br />

1b. Fish is dead when brought to the surface on the gear ..........…………………… Code DEAD<br />

Fish is in rigor and lifeless, even if no apparent injuries. Gills appear completely devoid of blood (light pink or<br />

white in color).<br />

2a. Body shows no signs of marine mammal predation ..................………………… Go to 3a<br />

Fish’s body is intact. Flesh may be torn, but no missing tissue.<br />

2b. Body is missing pieces of flesh...............................................……………………... Code DEAD<br />

Pieces of tissue are missing from predation by marine mammals.<br />

Missing pieces are typical of bites from sea lions or other large marine mammals.<br />

3a. No penetration of the body or head by sand fleas...........................……………… Go to 4a<br />

Membranes surrounding eyes and anus are intact, without any holes from sand fleas. A few sand fleas may be<br />

seen on body and can be wiped off with your hand. Typically, no penetration occurs when only a few (e.g.,

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