Pinecone Fish

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THERE IS NO WARM UP HERE

Main Set
30 minute swim

See how far you go. Stop as often as you need to. But keep track of your distance. Do this workout once a month, push every time to see if you can beat your previous month.

The pinecone fish (Monocentris japonica) is also known as the pineapple fish, knightfish, soldierfish, Japanese pineapple fish, and dick bride-groom fish. Curiously, they have a light-producing organ on each side of their head. These are known as photophores, and they produce a symbiotic bacteria that makes the light visible.The light is produced by luminescent bacteria, and its function is not known. Some say that it may be used to improve vision, find prey, or communicate with other fish.