The Eastern Bering Sea Shelf The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder easternberingsea00hood Year: 1981 Fish diseases 925 184° 182° 180° 178° 176° 174° 172° 170° 168° 166° 164° 162° 160° 158° 156° 154° '7 ' 7 ' 7 ' r- 59' 58°- 57»- 56'- 55° 54°- 53' 52' 51' \ NUNIVflK-i 0/16 catches 0/345 fish 0 iWIIBILOF IS / 6/29 catches / / 21 15/34 catches 15/2282 fish / 44 -/ 62/1554 fish( -^ / 4 ^V «!«SSC~S^~»^^^ ^.^^ c^. 1 I I 180° 178° 176° 174° 172° 170° 168° 166° 164 162° 160° 158° 156° Figure 55-12. The general distribution and f
The Eastern Bering Sea Shelf The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder easternberingsea00hood Year: 1981 Fish diseases 925 184° 182° 180° 178° 176° 174° 172° 170° 168° 166° 164° 162° 160° 158° 156° 154° '7 ' 7 ' 7 ' r- 59' 58°- 57»- 56'- 55° 54°- 53' 52' 51' \ NUNIVflK-i 0/16 catches 0/345 fish 0 iWIIBILOF IS / 6/29 catches / / 21 15/34 catches 15/2282 fish / 44 -/ 62/1554 fish( -^ / 4 ^V «!«SSC~S^~»^^^ ^.^^ c^. 1 I I 180° 178° 176° 174° 172° 170° 168° 166° 164 162° 160° 158° 156° Figure 55-12. The general distribution and frequencies of Pacific cod with skin lesions in the Bering Sea. et al. 1967). The tumors ranged in size from 3 X 3X2 mm to 100 X 70 X 10 mm. They were brown to black and elevated, with a papillary architecture (Fig. 55-13). They were scattered at random on the body surface and frequently extended to both sides of a fish in such a way as to make the two sides mirror images. No metastases were identified. Examination of sections of epidermal papillomas revealed the typical papillary structure of the thick- ened layer of epidermal cells supported by a branch- ing fibrovascular stroma (Fig. 55-14). Both the stromal and epidermal areas had X-cells. Typical X-cells are larger than normal epidermal cells, with pale nuclei, large, intense nucleoh, and granular cytoplasm.
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