What is dynamite fishing

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Why do they do it? Making a bomb is cheaper and vastly more productive than sticking with traditional fishing methods such as basket traps and hook and line. Dynamite is also easier to find nowadays. A boom in mining and construction in Tanzania has made it less challenging for people to get their hands on explosives.

But the practice has disastrous consequences. Off the coast of Dar es Salaam, fishermen aim for lucrative tuna, Tremblay says. But the blasts destroy not only their targets but entire coral reefs, which support fish, crabs, and other species and play a crucial role in controlling carbon dioxide levels in the ocean. Aside from the environmental impact, dynamite fishing threatens the livelihood of legitimate fishermen, as well as the economy as a whole.

Check out the film to learn more about the dangerous fishing tactic and see blast fishermen in action. Send tips, feedback, and story ideas to ngwildlife natgeo. All rights reserved. See how dynamite fishing damages the marine environment off the coast of Tanzania. Share Tweet Email. Read This Next Wild parakeets have taken a liking to London. Animals Wild Cities Wild parakeets have taken a liking to London Love them or hate them, there's no denying their growing numbers have added an explosion of color to the city's streets.

India bets its energy future on solar—in ways both small and big. Cyanide that is sprayed or dumped on reefs can damage and kill corals. In addition, fishers often break corals when attempting to extract the stunned fish, causing further damage to the coral reef ecosystem.

Unfortunately, about one-third to one-half of fish collected using this method die soon after they are harvested, ref making this a particularly destructive method of harvest. Some types of fishing gear, including gill nets and beach seines, can also damage reef ecosystems. These types of fishing gear drag along the ocean floor and capture or flatten non-targeted juvenile species and corals in their path.

Additionally, scuba and hookah diving have opened up deeper areas to fishers of sea cucumbers, pearl oysters, lobsters, octopus, fishes, seashells, and corals. Destructive fishing methods like dynamite, gill nets and beach seines are highly unsustainable because they typically do not target particular fish species and often result in juveniles being killed in the process.

Damage to the coral reef structure further reduces the productivity of the area, thus adversely affecting both the reef-dependent fish populations and also the livelihoods of fishers and nearby communities.