Its summit is home to the Trinidad endemic El Tucuche Golden Tree Frog (Phyllodytes auratus), found only on El Tucuche and on Trinidad's highest peak El Cerro del Aripo.
The hills rise abruptly from the lowlands of northern Trinidad (the so-called East-West Corridor), but only the two tallest peaks, El Cerro del Aripo and El Tucuche top 900 m.