Deep Blue

2010 Deep Blue Designs  -  Handcrafted Wooden Fish by Nathan Burtenshaw

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Eel carved from Macrocarpa - 660mm in length.

Eel

There are two main types of eel – the shortfin and the longfin. Eels migrate up streams as elvers to find suitable adult habitat. After many years (15-30 years for shortfins, 25 years for longfins, and sometimes up to 80 years) they migrate to the Pacific Ocean to breed and die. Eels are secretive, mainly nocturnal and prefer habitats with plenty of cover.

The longfin eel is one of the largest eels in the world and it is found only in the rivers and lakes of New Zealand. When eels begin life, they are a tiny 1 mm in length. During their life, they can grow up to 2 metres long. The biggest longfin eels reported have weighed as much as 40 kg, but today you’ll seldom find an eel heavier than 10 kg. Eels eat "live" food. Small longfin eels living amongst the river gravels will feed on insect larvae, worms and water snails. When they get bigger, they begin to feed on fish. They will also eat fresh-water crayfish and even small birds like ducklings. Eels hunt by smell rather than sight. Longfin eels have a well-developed sense of smell. They have tube nostrils that protrude from the front of their head, above their upper lip. They also have a very large mouth with rows of small, sharp, white teeth. The top teeth form an arrow shape on the roof of the eel’s mouth.