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Africa's Cobras: Spitting Venom, Causing Damage
29 Aug
Summary
- Spitting cobras project venom towards eyes, posing a unique threat.
- Black-necked cobra is larger, more widespread than Red Spitting Cobra.
- Venoms differ: Black-necked causes tissue destruction, Red causes systemic effects.
Africa's encounter with spitting cobras presents a unique danger, as species like the Black-necked and Red Spitting Cobras can project venom. These cobras, while sharing this defensive ability, exhibit notable differences in size, appearance, and distribution.
The Black-necked Spitting Cobra boasts a larger average size, reaching up to 2.2 meters, and has a wide range across sub-Saharan Africa. In contrast, the Red Spitting Cobra is smaller, typically 70 to 150 cm, and predominantly found in eastern Africa.
Their venom composition is a critical differentiator. The Black-necked cobra's venom is known for causing severe local tissue destruction, including necrosis. The Red Spitting Cobra's venom combines cytotoxic and neurotoxic properties, capable of leading to swelling, paralysis, and skin necrosis.
Both species are medically important. The Black-necked cobra is particularly noted for destructive tissue damage from its bite, while the Red Spitting Cobra poses risks of paralysis and eye injury from its accurate venom spray. Their defensive spitting ranges vary, with the Black-necked cobra reported to spit further.
