Otter (midwater) Trawl

Station: Otter Trawl / L.A. Harbor
Date: 3/11/17, 11:15 am
Conditions: 61°F, foggy
Latitude: 33° 44' 17" N to 33°43'41"N
Longitude: 118° 14' 7" W to 118°14'11"W
Station: Otter Trawl / L.A. Harbor
Date: 3/11/17, 2:48 pm
Conditions: 73°F, sunny,
Latitude: 33° 44' 24" N to 33° 43' 53" N
Longitude: 118° 14' 5" W to 118° 13' 56" W

Flora & Fauna:
Common Name Scientific Name Total Captured Method
of Take
Disposition
Round Stingray Urolophus halleri 7 midwater trawl released
Swimming Crabs Portunus xantusii 6 midwater trawl released
California Spiny Lobster Panulirus interruptus 4 midwater trawl released
Fantailed Sole Xystreurys liolepis 4 midwater trawl released
Target Shrimp unknown 3 midwater trawl released
California Lizardfish Synodus luciocepsis 2 midwater trawl released
Tonguefish Symphurus atricaudus 2 midwater trawl released
Isopods unknown 2 midwater trawl released
Queenfish Seriphus politus 1 midwater trawl released
Midshipman Porichthys notatus 1 midwater trawl released
White Croaker Genyonemus lineatus 1 midwater trawl released
Northern Anchovy Engraulis mordax 1 midwater trawl released
California Halibut Paralichthys californicus 1 midwater trawl released
Diamond Turbot Hypsopsetta guttulata 1 midwater trawl released
Spotted Turbot Pleuronichthys ritteri 1 midwater trawl released
Barred Sand Bass Paralabrax nebulifer 1 midwater trawl released
Topsmelt Atherinops affinis 1 midwater trawl released
Gould's Bubble Snail (?) Bulla gouldiana 1 midwater trawl released
Cusk Eel unknown 1 midwater trawl released
Black Rockfish (?) Sebastes melanops 1 midwater trawl released

We use a method called "Otter Trawling" or Midwater Trawling to collect pelagic (swimming) organisms. "Otter" refers to the rectangular boards on the net. Hydrodynamic forces act on the boards, keeping them apart and the net open.

All organisms were returned to the ocean.