Some facts about fish

• The whale shark (Rhincodon typus) is the largest fish.
• Marble plunder, rat-tail and deep-water dragon are all names of fish you would find in Antarctica.
• A group of jellyfish is a smuth or fluther.
• Salmon (Salmonidae) can swim against river currents.
• The gold color of goldfish (Carassius auratus auratus) is a mutation that has occurred over time.
• In its natural state, a goldfish is either dull green or brown in color.
• Nymph and streamer are both types of flies for trout fishing.