Typical finfish

Aquatic Animal Diseases Significant to Australia - Identification Field Guide 3rd edn

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Gravid female Atlantic salmon

Gravid female Atlantic salmon (Salmo salar). Note distended abdomen and protruding spawning vent.

Source: M Porter

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male-salmon1

Male Atlantic salmon (Salmo salar) showing typical hooked mouth when mature.

Source: M Porter

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Anatomy of a juvenile salmon

Anatomy of a juvenile salmon.

Source: Aquatic Animal Health, Product Integrity Animal and Plant Health, DAFF

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Gravid female Atlantic salmon

Gravid female Atlantic salmon (Salmo salar). Note the stomach cavity dominated by ovary. Compare the relative size of ovary with the rest of the internal organs.

Source: K Nelson

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gravid salmon

Gravid female Atlantic salmon (Salmo salar) showing location of ovary (orange) in relation to other internal organs, liver and intestines.

Source: M Porter

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Degenerative eggs in old female Atlantic salmon

Degenerative eggs in old female Atlantic salmon.

Source: M Porter

The diet of a species of fish is often reflected in the length of its intestinal tract. Carnivorous fishes for example, have a much reduced intestinal tract compared with that of herbivorous fishes.

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Golden perch

Golden perch (Macquaria ambigua).

Source: Illustration © State of New South Wales Department of Primary Industries (2006)

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silver-perch

Silver perch (Bidyanus bidyanus).

Source: Illustration © State of New South Wales Department of Primary Industries (2006)

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Silver perch anatomy

Anatomy of a perch.

Source: Illustration © State of New South Wales Department of Primary Industries (2006)