Bothrops asper (Fer-de-Lance)
Bothrops asper (Garman, 1883)
This species is distinguished from other viper species by the following combination of characters: (1) tail not prehensile; (2) lacunolabial present; (3) labials usually without markings; (4) divided subcaudal scales 53-81 in males and 46-73 in females; (5) keeled intersupraocular scales 5-11…
