''Ladigesocypris ghigii'', the Rhodes minnow, or , is a species of freshwater

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

belonging to the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Leuciscidae Leuciscidae is a family of freshwater ray-finned fishes, formerly classified as a subfamily of the Cyprinidae, which contains the true minnows. Members of the Old World (OW) clade of minnows within this subfamily are known as European minnow ...

, which includes the daces, Eurasian minnows and related species. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the island of

Rhodes Rhodes (; ) is the largest of the Dodecanese islands of Greece and is their historical capital; it is the List of islands in the Mediterranean#By area, ninth largest island in the Mediterranean Sea. Administratively, the island forms a separ ...

in Greece.

Taxonomy

''Ladigesocypris ghigii'' was first formally described as ''Leucaspius ghigli'' ib 1927 by the Italian

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 35,800 species of fish had been described as of March 2 ...

Luisa Gianferrari Luisa (Italian and Spanish), Luísa ( Portuguese), or Louise ( French) is a feminine given name; it is the feminine form of the given name Louis (Luis), the French form of the Frankish Chlodowig (German Ludwig), from the Germanic elements ''h ...

with its type locality given as the Mulini River at Coschino on Rhodes. In 1972 Mladen S. Karaman proposed the new genus ''

Ladigesocypris ''Ladigesocypris'' is a small genus of freshwater ray-finned fish belonging to the family Leuciscidae.The fishes in this genus are found in Anatolia and on the island of Rhodes Rhodes (; ) is the largest of the Dodecanese islands of Greece ...

'' with ''Leucaspius ghigli'' designated as the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

, as well as being the type by

monotypy In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

. The genus ''Ladigesocypris'', which has one other species, L. mermere'', classified within it '', is classified within the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...

Leuciscinae Leuciscinae is a subfamily of freshwater Actinopterygii, ray-finned fishes belonging to the Family (biology), family Leuciscidae, which includes the fishes known as daces, chubs, shiners and minnows. The fishes in this subfamily are mainly found i ...

of the family Leuciscidae.

Etymology

''Ladigesocypris ghigii'' belongs to the genus ''Ladigesocypris'', this name suffixes Ladiges, the surname of the German

aquarist An aquarist is a person who manages aquariums, either professionally or as a hobby. They typically care for aquatic animals, including fish and marine invertebrates. Some may care for aquatic mammals. Aquarists often work at public aquariums. They ...

and

Werner Ladiges Werner Ladiges (August 15, 1910- November 13, 1984) was a German zoologist. Life He studied zoology in Innsbruck and Hamburg, where he received his doctorate in 1934. In the same year, his book ''Tropische Fische'' was published in the field of ...

, with ''cypris'', a common suffix for Cyprinoid genera. Ladiges translated Karaman's manuscript. The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

, 'is an

eponym An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''. Eponyms are commonly used for time periods, places, innovati ...

, the person honoured being

Alessandro Ghigi Alessandro Ghigi (9 February 1875 – 20 November 1970) was an Italian zoologist, naturalist and environmentalist. Life Alessandro Ghigi was born in Bologna on 9 February 1875. He attended the University of Bologna, graduating with a degree in ...

, an Italian

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

at the

University of Bologna The University of Bologna (, abbreviated Unibo) is a Public university, public research university in Bologna, Italy. Teaching began around 1088, with the university becoming organised as guilds of students () by the late 12th century. It is the ...

, the collectors of the

holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...

Description

''Ladigesocypris ghigii'' is told apart from other related species in the Balkans by having an incomplete

lateral line The lateral line, also called the lateral line organ (LLO), is a system of sensory organs found in fish, used to detect movement, vibration, and pressure gradients in the surrounding water. The sensory ability is achieved via modified epithelia ...

, which has between 11 and 17 perforated scales with 27 to 23 total scales in the midlateral row. The

dorsal fin A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous. They are found ...

has 6 to branched rays while the

anal fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported o ...

has 7 to branched rays. There is a wide dark midlateral stripe running from the head to base of the

caudal fin Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin, fish fins have no direct connection with the back bone and are supported only ...

, which separates the dark brown back from the white belly. The Rhodes minnow has a maximum

standard length Fish measurement is the measuring of individual fish and various parts of fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology. Overall length Standard length (SL) is ...

Distribution and habitat

''Ladigesocypris ghigii'' is endemic to Rhodes in the

Dodecanese The Dodecanese (, ; , ''Dodekánisa'' , ) are a group of 15 larger and 150 smaller Greek islands in the southeastern Aegean Sea and Eastern Mediterranean, off the coast of Anatolia, of which 26 are inhabited. This island group generally define ...

of Greece where it is found in streams, springs, reservoiors and pools.

References

* {{Taxonbar, from=Q2670541 ghigii Endemic fauna of Greece Fish described in 1927 Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN Habitats Directive species