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Atheris is a genus of vipers known as bush vipers. [2] They are found only in tropical subsaharan Africa (excluding southern Africa) [1] and many species have isolated and fragmented distributions due to their confinement to rain forests. [3] Like all other vipers, they are venomous.
The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. The word abyss comes from the Greek word ἄβυσσος (ábussos), meaning "bottomless". [1] At depths of 4,000–6,000 m (13,000–20,000 ft), [2] this zone remains in perpetual darkness. [3] [4] It covers 83% of the total area of the ocean and 60% of Earth's ...
Atheris hispida is a viper species endemic to Central Africa. Like all other vipers, it is venomous. It is known for its extremely keeled dorsal scales ("spikes") that give it a bristly appearance. [3] No subspecies are currently recognized. [4] Common names include rough-scaled bush viper, spiny bush viper, [5] [3] hairy bush viper, [3] [6 ...
Examination of a 9 m (30 ft) giant squid, the second largest cephalopod, that washed ashore in Norway in 1954 In zoology, deep-sea gigantism or abyssal gigantism is the tendency for species of deep-sea dwelling animals to be larger than their shallower-water relatives across a large taxonomic range.
Atheris hetfieldi, or Hetfield's bush viper, is a species of viper found in Bioko Island. The species gets its name in honour of James A. Hetfield , the vocalist and guitarist from Metallica as the authors were fans of the band from a young age and naming a species after a celebrity helps to raise awareness for biodiversity .
Atheris nitschei is a species of venomous snake, a viper in the subfamily Viperinae of the family Viperidae. The species is native to Africa . There are no subspecies that are recognized as being valid.
Atheris mongoensis is distinct from other Atheris species by its long lanceolate and erect scales on the top of its head and above its eyes which have a small knob at their ends, [2] its combination of entire, divided and narrow lanceolate tail scales, its 19-21 dorsal scales, its 141-152 ventral scales, its 43-55 subcaudal scale rows, its three suprarostrals, its two scales between its nasal ...
In Ashe's original 1968 description, adults were reported to grow to an average 49–68 cm (about 19-27 inches) total length, with a head and body length of 43–59 cm (17–23 in) and a tail length of 6–9 cm (2.4–3.5 in). [4] The eyes are set well forward in the head and are surrounded by 14–17 scales. Interorbital scales number 8–11.