Tripterygion melanurus

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Tripterygion melanurus
Capo Gallo Tripterygion melanurus.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Tripterygiidae
Genus: Tripterygion
Species:T. melanurus
Binomial name
Tripterygion melanurus
Guichenot, 1850
  • Tripterygion melanurus Guichenot, 1850
  • Tripterygion melanurus melanurus Guichenot, 1850
  • Tripterygion melanurus minor (Kolombatovic, 1892)
  • Tripterygion minor (Kolombatovic, 1892)
  • Tripterygium minor Kolombatovic, 1892

Tripterygion melanurus is a species of fish in the family Tripterygiidae, the threefin blennies. It is widespread in the Mediterranean Sea, where it occurs around the Balearic Islands and off the coasts of southern Sardinia, Algeria, Tunisia, Israel, Lebanon, Greece, Cyprus, and southern Turkey. [1] It is a marine subtropical demersal fish measuring up to 5.3 centimeters in length.

In biology, a species ( ) is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. While these definitions may seem adequate, when looked at more closely they represent problematic species concepts. For example, the boundaries between closely related species become unclear with hybridisation, in a species complex of hundreds of similar microspecies, and in a ring species. Also, among organisms that reproduce only asexually, the concept of a reproductive species breaks down, and each clone is potentially a microspecies.

Threefin blenny family of fishes

Threefin or triplefin blennies are blennioids, small perciform marine fish of the family Tripterygiidae. Found in tropical and temperate waters of the Atlantic, Pacific and Indian Oceans, the family contains about 150 species in 30 genera. The family name derives from the Greek tripteros meaning "with three wings".

Mediterranean Sea Sea connected to the Atlantic Ocean between Europe, Africa and Asia

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant. Although the sea is sometimes considered a part of the Atlantic Ocean, it is usually identified as a separate body of water. Geological evidence indicates that around 5.9 million years ago, the Mediterranean was cut off from the Atlantic and was partly or completely desiccated over a period of some 600,000 years, the Messinian salinity crisis, before being refilled by the Zanclean flood about 5.3 million years ago.

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  1. Tripterygion melanurus at