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Universal-Lexikon. 2012.
Schreckstoff — In 1938, the Austrian ethologist Karl von Frisch made his first report on the existence of the chemical alarm signal known as Schreckstoff in minnows. An alarm signal is a response produced by an individual, the “sender,” reacting to a hazard… … Wikipedia
Schreckstoff — alarm substance (a substance produced in the round or oval alarm substance cells (previously called “clubcells ) in the skin of Ostariophysi (Cypriniformes, Siluriformes) and Gonorhynchiformes, and which is released upon injury of the skin. On… … Dictionary of ichthyology
Hypoxanthin-3-N-oxid — Strukturformel Allgemeines Name Hypoxanthin 3 N oxid Andere Na … Deutsch Wikipedia
Ichthyology — Part of a series on Zoology … Wikipedia
Deep sea fish — Humpback anglerfish Deep sea fish is a term for any fish that lives below the photic zone of the ocean. The lanternfish is, by far, the most common deep sea fish. Other deep sea fish include the flashlight fish, cookiecutter shark, bristlemouths … Wikipedia
Fish migration — Many species of salmon are anadromous and migrate long distances up rivers and streams to spawn. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres… … Wikipedia
Wrasse — For other uses, see Wrasse (disambiguation). Wrasses Moon wrasse, Thalassoma lunare, a typical wrasse Scientific classification Kingdom … Wikipedia
Mouthbrooder — A female Cyphotilapia frontosa mouthbrooding fry which can be seen looking out her mouth Mouthbrooding, also known as oral incubation and buccal incubation, is the care given by some groups of animals to their offspring by holding them in the… … Wikipedia
Goby — For other uses, see Goby (disambiguation). Gobies Microgobius gulosus Scientific classification Kingdom … Wikipedia
Combtooth blenny — Combtooth blennies Scartella cristata Scientific classification Kingdom … Wikipedia
