pacific salmon life cycle - pac.dfo-mpo.gc.capacific salmon life cycle six species: chinook, chum,...

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Pacific Salmon Life Cycle SIX SPECIES: CHINOOK, CHUM, COHO, PINK, SOCKEYE AND STEELHEAD Adults In the ocean, adults travel thousands of miles, feeding and growing before returning to their stream of origin. Migration Swimming upstream, salmon fight past rapids and waterfalls. Spawning colours appear; males develop hooked jaws, sharp canine teeth and in some species humped backs. Spawners In gravel nests, females lay thousands of eggs that are fertilized with milt from the males. Their life cycle complete, salmon die soon after spawning. Smolts Migrating to estuaries, silvery smolts begin their adaptation to salt water. Fry In the stream, fry emerge from the gravel and swim in search of tiny aquatic insects and other food. Eggs and Alevins Under the gravel, embryos develop within the eggs. They hatch as alevins, with an attached yolk sac for food. Pink Chinook Chum Coho Steelhead Chinook smolts Sockeye males, fighting Sockeye Chinook migrating Sockeye pair, spawning Eggs and alevins Coho fry Fisheries and Oceans Pêches et Océans Canada Canada Adults In the ocean, adults travel thousands of miles, feeding and growing before returning to their stream of origin. Migration Swimming upstream, salmon fight past rapids and waterfalls. Spawning colours appear; males develop hooked jaws, sharp canine teeth and in some species humped backs. Spawners In gravel nests, females lay thousands of eggs that are fertilized with milt from the males. Their life cycle complete, salmon die soon after spawning. Smolts Migrating to estuaries, silvery smolts begin their adaptation to salt water. Fry In the stream, fry emerge from the gravel and swim in search of tiny aquatic insects and other food. Eggs and Alevins Under the gravel, embryos develop within the eggs. They hatch as alevins, with an attached yolk sac for food. SIX SPECIES: CHINOOK, CHUM, COHO, PINK, SOCKEYE AND STEELHEAD Chum female, digging redd

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Page 1: Pacific Salmon Life Cycle - pac.dfo-mpo.gc.caPacific Salmon Life Cycle SIX SPECIES: CHINOOK, CHUM, COHO, PINK, SOCKEYE AND STEELHEAD Adults In the ocean, adults travel thousands of

Pacific Salmon Life CycleSIX SPECIES: CHINOOK, CHUM, COHO, PINK, SOCKEYE AND STEELHEAD

AdultsIn the ocean, adults travel�

thousands of miles, feeding �and growing before returning�

to their stream of origin.

MigrationSwimming upstream, �

salmon fight past rapids �and waterfalls. Spawning

colours appear; males develop hooked jaws,

sharp canine teeth and �in some species �humped backs.

SpawnersIn gravel nests, �

females lay thousands of �eggs that are fertilized �

with milt from the males. Their life cycle complete, salmon die soon after

spawning.

Smolts�Migrating to estuaries, �

silvery smolts begin their adaptation to salt water.

FryIn the stream, fry emerge from the gravel and swim in search of tiny aquatic insects and other food.

Eggs and AlevinsUnder the gravel, embryos

develop within the eggs. �They hatch as alevins, �

with an attached yolk �sac for food.

Pink

Chinook

Chum

Coho

Steelhead

Chinook smolts

Sockeye �males, fighting

Sockeye

Chinook�migrating

Sockeye pair, spawning

Eggs and alevins

Coho fry

Fisheries and Oceans Pêches et OcéansCanada Canada

AdultsIn the ocean, adults travel�

thousands of miles, feeding �and growing before returning�

to their stream of origin.

MigrationSwimming upstream, �

salmon fight past rapids �and waterfalls. Spawning

colours appear; males develop hooked jaws,

sharp canine teeth and �in some species �humped backs.

SpawnersIn gravel nests, �

females lay thousands of �eggs that are fertilized �

with milt from the males. Their life cycle complete, salmon die soon after

spawning.

Smolts�Migrating to estuaries, �

silvery smolts begin their adaptation to salt water.

FryIn the stream, fry emerge from the gravel and swim in search of tiny aquatic insects and other food.

Eggs and AlevinsUnder the gravel, embryos

develop within the eggs. �They hatch as alevins, �

with an attached yolk �sac for food.

SIX SPECIES: CHINOOK, CHUM, COHO, PINK, SOCKEYE AND STEELHEAD

Chum female,�digging redd

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