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Why Turtles?

Found around the world in rivers, deserts, jungles, and our own backyards, it’s easy to assume tortoises and freshwater turtles will always be here. But the very traits that once helped them survive render them vulnerable to extinction today.
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Protecting the world’s most endangered tortoises and freshwater turtles

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To save turtles, we all play a role. Every day, tortoises and freshwater turtles around the globe face pressing threats. Your support equips us to support species where and how they need us most.

Turtles are ancient and remarkable creatures who deserve a champion. When you stand with us, you help ensure their continued survival. Together, we can create a world with zero turtle extinctions.

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Dermatemys mawii

Central American River Turtle

Habitat:

– Large rivers
– Lakes
– Oxbows
– Flooded forests

Threats:

– Unsustainable harvesting for human consumption
– Habitat degradation

Wild Population:

– Decreasing
– Extirpated from many areas of its historic range
– Surviving populations highly reduced

Conservation Efforts:

– Captive breeding and assurance colonies
– Reintroduction projects
– Field surveys
– Habitat protection
– Community engagement
– Protected throughout its range
– CITES Appendix II

Endangered Status:

Critically Endangered

Species Snapshot

Fast Facts

The Hicatee is so adapted for a fully aquatic existence that it has evolved highly vascularized papillae in its larynx (hollow muscular organ forming an air passage to the lungs). The Hicatee will draw water into the mouth, where the oxygen diffuses across these papillae and into the respiratory tract, before the water is expelled through the nose. This allows them to stay submerged for a virtually unlimited amount of time.

Another adaption for an aquatic lifestyle is found in its reproductive habits. Females will lay eggs beneath the substrate of the shoreline or very close to it during the wet season. As the water levels rise with the prolonged rains, the eggs are able to undergo an embryonic diapause (temporary halt in development), to prevent the embryo from dying due to substrate saturation and low oxygen availability. Once the waters recede, the embryos will begin or resume their development.

handfulhicatees male-hicatee-1 Central American River Turtle (Dermatemys mawii)_Donald McKnight

The Hicatee is a fully aquatic species that spends nearly 100% of its time in water. It is so adapted for an aqueous life that the Hicatee can barely move on land, let alone even hold its head up. They are primarily active during nocturnal and crepuscular hours, spending the day sleeping in deeper holes on the waterbody bottom. All life stages of this species are herbivorous, feeding on detritus, aquatic vegetation, and overhanging leafy matter and fruits from riparian vegetation. During the wet season, the Hicatee will expand its movements into the flooded forests adjacent to its primary waterbody. During the dry season, they will retreat to the deepest pockets of the water column, sometimes becoming trapped in oxbows or ponds, before they can return to their home river or lake. Because of their inability to make overland treks, they are relegated to stay in these pockets of water until the next wet season.

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