"The early development of the salmon. 1, The fertilised egg; 2, the egg just before hatching; 3, the newly hatched salmon; 4 and 5, the larval salmon nourished from yolk-sac (y.s.) which is diminishing while the fish is increasing in size; 6, the salmon with yolk absorbed (about six weeks old)." -Thomson, 1916

Salmon Development

"The early development of the salmon. 1, The fertilised egg; 2, the egg just before hatching; 3, the…