Ngenes, the Largest Saw Fish in the World Found Dead

Suara.com – Fish The world’s largest saw that scientists have ever measured, was found dead in the Florida Keys last week.

The 4.9 meter long sharp snouted fish is an adult female with eggs the size of a softball found in her reproductive tract.

Experts are now studying the carcasses to determine the age of the fish and to learn more about its reproductive past.

“Despite the sadness of when such a large animal dies, from a scientific point of view we know we can learn a lot from it,” said Gregg Poulakis, a fish biologist at the Florida Fish and Wildlife Conservation Commission.

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The record-breaking fish is one of two saw fish dead who washed ashore on the beaches of the Keys, one near Cudjoe Key and the other near Marvin Key.

Locals report the fish finds via the Commission’s hotline and local law enforcement, helping to pull the carcasses to shore so researchers can measure them and take tissue samples.

The sawfish has been on the Commission’s research radar since 2003, when it was added to the United States federal endangered species list.

Reporting from Live Science, Monday (12/4/2021), sawfish is a type of stingray which is famous for its flat snout like a chainsaw.

Little was known about the fish before it was added to the endangered species list.

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“Basically, any questions that can be asked, such as how big are they? What kind of habitat do they need? How long do they live? We don’t have the answers,” added Poulakis.

Today, Poulakis and other experts at the Commission and other Florida research institutes regularly catch, tag, and release sawfish along the coast.

The team of experts also found between 20 and 30 reported sightings a month of sailors and fishermen.

Five or six times a year, dead sawfish wash up on the beach. In fact, carcasses that have partially decomposed are useful scientifically.

Poulakis added that the two sawfish were not injured or other indications of why the animals had died.

Experts are studying the reproductive tract of fish to understand more about when sawfish reach maturity.

A sawfish pregnancy lasts about one year and generally gives birth to a young fish measuring about 0.7 meters in length.

The researchers also plan to take DNA samples, which can be compared with the DNA of juvenile sawfish caught in search of relationships along parent lines.

The team will also look for parasites to understand the basic parasite load in the sawfish’s body.

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