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The humpback anglerfish (Melanocetus johnsonii) is a species of black seadevil in the family of Melanocetidae, which means "black sea monster" in Greek. [1] The species is named after James Yate Johnson, the English naturalist who discovered the first specimen in Madeira in 1863. [2] The common names include anglerfish, viperfish and fangtoothfish.
There is a simple, un-pigmented type of luminescent organ found in these fish that is found within a gelatinous sheath which surrounds the entire body. [13] The photophore is found on the dorsal fin of the pacific viper. The photophore uses bioluminescence to produce light to entice a victim. The prey is attracted to the flickering light like a ...
Viperfish have previously been recorded in the Italian waters off the western Mediterranean Basin, the Adriatic Sea, the Greek waters of the Aegean Sea, and in the Turkish waters of the Levant Sea. Viperfish have rarely been seen off the Algerian coast by Dieuzeide. They have been reported to occur off the northern Tunisian coast. [15] m
A vacation at the beach always sounds like a good time. Well, we're here to ruin that for you. There's a lot of ugly lurking in the water... Let's check it out. Starting off strong - and scary- is ...
This is a list of all genera, species and subspecies of the subfamily Viperinae, otherwise referred to as viperines, true vipers, pitless vipers or Old World vipers.It follows the taxonomy of McDiarmid et al. (1999) [1] and ITIS.
The black seadevil family, Melanocetidae and the genus name Melanocetus are a combination of melanos meaning "black" and cetus, which means a "large sea creature", typically used to refer to whales. [6] Günther did not explain this choice of name but did note the uniform black colour, including the inside of the mouth of M. johnsoni. [7]
The Crotalinae, commonly known as pit vipers, [2] [3] or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous.They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head.
The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]