nakedback knifefish

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Saint Lucia Day. Young girl wears Lucia crown (tinsel halo) with candles. Holds Saint Lucia Day currant laced saffron buns (lussekatter or Lucia's cats). Observed December 13 honor virgin martyr Santa Lucia (St. Lucy). Luciadagen, Christmas, Sweden

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Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)

8 Unusual Punishments Inflicted on Women Throughout History

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

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Plato (left) and Aristotle, detail from School of Athens, fresco by Raphael, 1508-11; in the Stanza della Segnatura, the Vatican. Plato points to the heavens and the realm of Forms, Aristotle to the earth and the realm of things.

Plato and Aristotle: How Do They Differ?

Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics

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Rural Irish landscape, Sligo, Ireland.

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Los Angeles Police Department wanted flyer on Elizabeth Short, aka the "Black Dahlia," who was brutally murdered in January 1947. The FBI supported the Los Angeles Police Department in the case, including by identifying Short through her fingerprints that

America’s 5 Most Notorious Cold Cases (Including One You May Have Thought Was Already Solved)

nakedback knifefish

fish

Also known as: Gymnotidae, gymnotid eel

Learn about this topic in these articles:

classification

In ostariophysan: Annotated classification
Family Gymnotidae (nakedback knifefishes) Carnivorous group that includes electric eels. Body eel-like and scaleless with powerful electric organs. Size to 2.75 metres (about 9 feet), weight to 22 kg (48 pounds). Mexico, Central and South America. 2 genera, 33 species. Family Rhamphichthyidae Body greatly compressed, scaled. Elephant-like…
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electrical sensory reception

In senses: Electric sense
…mormyrids of Africa and the gymnotids of South America, have independently developed a unique sense for the detection of objects in their surroundings and for communication. These fish usually inhabit murky rivers, such as the Amazon or the Nile, where vision is impossible. They have an organ in the tail,…
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