Fish

Fish and Marine Life in the Iwokrama Rain Forest

Whilst the Iwokrama Canopy Walkway doesn’t have any major rivers nearby the area does have seasonal swamps and stream. But it is only a short drive to important waterways within the Iwokrama Forest and in the Rupununi Savannahs.

digitalasset0000000000002567The Iwokrama Forest and the Rupununi wetlands are home to an extremely high diversity of fish. 420 species have been identified, exceedingly high since only a small portion of the rivers have been surveyed and with further surveys up to 600 species are expected. In comparison, there are only 700 species of fish in all of North America. The Iwokrama Forest has the world’s largest recorded fish diversity, for an area its size.

One of the most significant inhabitants of Guyana’s interior waterways is the enormous Arapaima (Arapaima gigas), a highly endangered and poorly understood species that has been subject to extreme overfishing in neighboring countries. Since the 1960s, concerns have been expressed about the fate of the fish, and the need for it to be protected. During that time, it was disclosed that the arapaima, which inhabits the Rupununi River, was being ruthlessly harvested and sold across the border in Brazil, mostly by Amerindians. The NRDDB was one of eight local civil society organisations (CSOs) which were recently awarded grants for environmental and livelihood benefits to communities under the UNDP/Global Environment Facility (GEF), Small Grants Programme (SGP). The NRDDB received the sum of Gy$9.8M to strengthen the capacities of its 16 Amerindian communities to manage the arapaima fish and fisheries of the North Rupununi wetlands via capacity building, arapaima surveys, conservation education and awareness, consultations, and development of management plans.

Nearby,  a landmark “conservation concession,” has been set up by Conservation International in partnership with the government of Guyana. Instead of leasing the land to a logging company, Guyana is leasing 200,000 acres (81,000 hectares) along the Essequibo River to CI for conservation.

The concession – the world’s first – was established in Guyana’s Upper Essequibo region in July 2002. “It puts conservation on equal footing with extractive industry, so that the government and people of Guyana don’t have to choose between conservation and economic development,” says Dr. Dick Rice, CI’s chief economist and architect of the concession. “With total annual costs of less than $100,000 per year, it is a great bargain, given the importance of the area for both biodiversity and people.

“The aquatic ecosystems of the Upper Essequibo Conservation Concession (UECC) are one of the most pristine, if not the most pristine, on the planet,” concluded scientist Dr. Philip Willink, of The Field Museum in Chicago, after a 2007 survey.

Boating-on-the-Rupununi-River_2.3This abundance of healthy fresh water supports an amazing diversity of species: 1,500 plants, 200 mammals, and 500 birds are found in the vicinity – as many bird species as are found in all of North America.

The Macushi and Wapishana indigenous groups depend on the area’s natural resources, and communities near the concession – in Apoteri, Rewa, and Crashwater – helped to demarcate boundaries to ensure that the UECC would not conflict with traditional claims.

Select Species Regularly Observed Nearby

digitalasset0000000000002620Red pirhana Pygocentrus nattereri Piranha teeth are often used to make tools and weapons by the indigenous population. Piranhas are also popular as food, although if an individual piranha is caught on a hook or line, it may be attacked by other (free) piranhas.
Piranhas are commonly consumed by subsistence fishermen, and often sold for food in local markets. In recent decades, dried specimens have been marketed as tourist souvenirs.Piranhas occasionally bite and sometimes injure bathers and swimmers. A piranha bite is considered more an act of carelessness than that of misfortune, but piranhas are a considerable nuisance to commercial and sport fishers because they steal bait, mutilate catch, damage nets and other gear, and may bite when handled.
digitalasset0000000000002621Peackock bass Cichla monoculus Sport fishermen have made these cichlids prized game fish for their fighting qualities, so much so that many travel agencies now arrange fishing trips to Brazil and Florida specifically to catch peacock bass. Renowned American peacock bass fisherman and fishing author, Larry Larsen, refers to them as “freshwater bullies” due to their ferocious nature when hunting and their tendency to damage and sometimes destroy fishing gear when striking. The most common techniques for catching these cichlids are similar to those for catching largemouth bass, with the notable exception that peacock bass usually will not strike artificial worms – a widely used lure among largemouth bass fisherman. In addition, fly fishing techniques, including lures such as poppers and large streamers, are becoming increasingly popular for catching them. Despite their popularity among anglers, some naturalists have identified peacock bass as potential pests for causing ecological imbalances in some of their introduced areas.
digitalasset0000000000002567Arapaima arapaima gigas Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 
digitalasset0000000000002568Giant river otter Pteronura brasiliensis is an Amazonian giant that can reach up to six feet (1.8 meters) long. That’s more than twice as long as a North American river otter—arguably with double the coolness. Their social calendars include grooming, hunting, resting, and communicating, which they do using nine different vocalizations—most of which are probably predator warnings or contact calls

 

Comments are closed.

  • GUYANAS MARINE ECOSYSTEM

    overflight_2_iwokrama_rupununi_322_6xyk

    Conservation International explores the Essequibo River's extreme biodiversity

    buddy

    Meet Buddy, the orphaned otter from Karanambu

    digitalasset0000000000002567

    The United Nations is funding the first major study of Arapaima conservation status in Guyana's Rupununi River

    arapaima

    Read about Arapaima research on the Rewa River (New York Times)

    Romeo-De-Freitas

    Endangered marine turtle populations are increasing in Guyana, but significant concerns remain

  • CONTACT US