Context: India’s first satellite-tagged Ganges soft-shell turtle was released into its natural habitat along the northern bank of the Brahmaputra River inside Assam’s Kaziranga National Park and Tiger Reserve.
About The Ganges Soft-Shell Turtle:
What it is?
- The Ganges soft-shell turtle (Nilssonia gangetica), also known as the Indian softshell turtle, is a large, highly aquatic freshwater reptile belonging to the family Trionychidae. It serves as an essential river apex predator and scavenger, playing a vital role in cleaning the riverine ecosystem by feeding on dead organic and animal matter.
Habitat & Distribution:
- Primary Abode: It primarily inhabits deep, turbid rivers, large streams, canals, lakes, and reservoirs, showing a strong preference for wetlands with muddy or sandy bottoms where it can bury itself.
- Geographical Distribution: Widely distributed across South Asia, specifically in India, Bangladesh, Pakistan, and Afghanistan.
- River Basins: In India, it is densely found across major riverine ecosystems, including the Indus, Ganges/Yamuna, Mahanadi, Narmada, and Brahmaputra basins.
Current Conservation Status:
- IUCN Red List: Endangered.
- Wildlife (Protection) Act, 1972: Schedule I (Part II) — Accords it the highest tier of domestic legal protection, making any unauthorized possession or trade a severe penal offense.
Key Characteristics:
- Head Markings: Easily differentiated from other riverine turtles by distinct black arrowhead-shaped markings and inverted-V streaks on the top of its olive-colored head.
- Carapace & Shell Structure: Unlike hard-shell turtles, it features a flattened, compressed, and smooth leathery carapace (upper shell) with a yellow border. Young turtles show longitudinal ridges of small tubercles on their dorsal skin.
- Anatomical Adaptation: Features a moderate head with a long, tube-like snout that acts like a snorkel, allowing the turtle to breathe while remaining almost completely submerged under water or sand.
- Plastron Mechanics: Possesses eight pairs of costal plates (with the last pair well-developed and touching) along with very large plastral callosities on its belly structure.
- Size & Diet: It is an omnivorous giant among freshwater species, reaching a carapace length of up to 94 cm (37 inches). It feeds primarily on fish, mollusks, frogs, and carrion, alongside aquatic vegetation.
