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Synanceia verrucosa, the reef stonefish or simply stonefish, is a species of venomous, marine ray-finned fish, belonging to the subfamily Synanceiinae which is classified as being within the family Scorpaenidae, the scorpionfishes and their relatives. It is the most widespread species of stonefish, mostly found in shallow waters of the Red Sea ...
Synanceia is a genus of ray-finned fish belonging to the subfamily Synanceiinae, the stonefish, which is classified within the family Scorpaenidae, the scorpionfish and relatives. Stonefish are the most venomous fish known; stings can be fatal to humans. [2][3] They are found in the coastal regions of the Indo-Pacific.
Synanceia horrida is a drab coloured benthic fish which can be brownish-grey to reddish or greenish-brown. The skin has no scales but is covered in warts and often has growths of filamentous algae on it. The head is depressed with small, widely spaced eyes which sit high on the head and are upwards directed. There is a deep pit behind and under ...
A crab-eating macaque using a stone. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a ...
The aquatic ape hypothesis (AAH), also referred to as aquatic ape theory (AAT) or the waterside hypothesis of human evolution, postulates that the ancestors of modern humans took a divergent evolutionary pathway from the other great apes by becoming adapted to a more aquatic habitat. [1] While the hypothesis has some popularity with the lay ...
Synanceia nana. Synanceia nana, the Red Sea stonefish or dwarf scorpionfish, is a species of venomous, marine ray-finned fish, a stonefish belonging to the subfamily Synanceiinae which is classified as being within the family Scorpaenidae, the scorpionfishes and their relatives. It is found in the northwestern Indian Ocean.
Taphonomic change in fish skeletons from Blombos Cave have been interpreted as capture of live fish, clearly an intentional human behavior. [145] Humans in North Africa (Nazlet Sabaha, Egypt) are known to have dabbled in chert mining, as early as ≈100,000 years ago, for the construction of stone tools. [163] [164]
Pleuronectes scutifer Steindachner, 1870. The stone flounder (Platichthys bicoloratus) is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sandy and muddy bottoms in coastal areas at depths of up to 150 metres (500 ft). Its native habitat is the temperate waters of the northwest Pacific, from Japan to the Kuril ...