AT A GLANCE
Common Name: Togo Slippery Frog
Scientific Name: Conraua derooi
Category: Amphibians
Subcategory: Conrauidae & Slippery Frogs
Size: Snout-vent length: 2.8–3.5 in (7.0–8.8 cm); Medium-large torrent specialist
Weight: 2.5–5.0 oz (70–140 g)
Lifespan: 5–10 years in pristine wild torrent habitats
Diet: Carnivore (aquatic insects, crabs, freshwater snails, and small riparian invertebrates)
Habitat: High-gradient rocky streams, whitewater rapids, and pristine rainforest torrents
Range: Relict distribution restricted to the Atewa Hills (Ghana) and Mount Kloto (Togo)
Conservation Status: Critically Endangered (IUCN Red List); Facing imminent threat from mining

Overview

The Togo Slippery Frog (Conraua derooi) is an extraordinarily rare and critically imperiled torrent specialist endemic to the upland rainforest streams of the Dahomey Gap in West Africa. A close relative of the famous African Goliath Frog, this muscular, aquatic amphibian was feared completely extinct for nearly three decades before being rediscovered in small, isolated relict populations in Ghana’s Atewa Range and the forested slopes of western Togo. Highly adapted to torrential whitewater currents, it anchors itself against pounding cascades in some of Africa’s most endangered montane forests.

Biology and Physical Characteristics

Conraua derooi displays powerful physical adaptations for survival in high-velocity aquatic environments. It features a broad, flattened head, highly muscular limbs, and fully webbed toes lined with wide, grip-enhancing terminal pads. Its dorsal skin is exceptionally slippery—coated in a viscous protective mucus layer that repels water molds—and mottled in shades of olive-brown, charcoal, and dark green that blend seamlessly with submerged river stones. Its eyes are positioned prominently on the top of the skull, allowing it to survey air and water simultaneously while remaining submerged.

Behavior and Ecology

Strictly rheophilic (torrent-dwelling), the Togo Slippery Frog spends its life nestled in deep river crevices, under crashing waterfall sprays, and behind granite boulders. It feeds opportunistically along rocky stream margins, using lightning leaps to capture freshwater crabs, terrestrial crickets, and water beetles. Reproduction is intricately linked to fast water: pairs deposit egg masses in sheltered, oxygen-saturated rock pools, where streamline-bodied tadpoles with specialized oral suckers adhere tenaciously to slick rock faces while grazing on riverbed diatoms.

Conservation and Human Impact

Listed as Critically Endangered on the IUCN Red List, Conraua derooi is on the precipice of extinction. Its principal stronghold, the Atewa Range Forest Reserve in eastern Ghana, faces severe threats from planned commercial bauxite strip-mining, illegal artisanal gold mining (galamsey), and commercial logging, which deposit heavy silt into pristine torrent rivers. Conservation organizations, including SAVE THE FROGS! Ghana, actively campaign to upgrade Atewa Forest to National Park status to shield this flagship river survivor.

Interesting Factoid

The Togo Slippery Frog is so slippery and strong that holding one is like trying to grab an oiled bar of soap, and its tadpoles come equipped with built-in mouth suction cups to keep from getting washed down giant waterfalls.

Last updated: October 2026

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