Collection trips to Devil's Hole, v4441
Page 139
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
CJS 6/1-10 Collection: 6' umbrella seine put in only a few minutes after we arrived. Putting the seine into position in the northern portion of the upper shelf frightened many of the fish over the ledge. The seine was left in for approx. 25 min. and then pulled up. Fish captured were put in styrofoam coolers temporarily and the seine reset. Approx. 45 min. later it was pulled for a second time and fish in coolers. Pictures were taken of the fish - again using a show aquarium w/mm rule in background and Exa camera. 100 + 11 Kodachrome film - ASA 25, Light meter = 7.4 Strobe used - ½ power - from several different angles. Six pictures taken - three pictures of each of two groups of fish. Strobe always held 5' from aquarium. Group I { Picture 1 - Strobe at 45° angle to camera's right Picture 2 - Strobe at 60° angle to camera's right Picture 3 - Strobe in front of aquarium + above - Keep in picture Group II { Picture 1 - Strobe at 45° angle to camera's right 2 - Keep strobe not in front of aquarium + above 3 - Keep strobe at 60° angle to camera's right Keep cover at left in pictures Range fish in position An attempt was made to get 50-58 (all 16 mm) to go into a cage that we had constructed. Attempt unsuccessful because of small number of fish that were captured. In the first seining, we picked out