Pseudaxine trachuri was first described and illustrated based on specimens from the gills of the Atlantic horse mackerel Trachurus trachurus (Carangidae) (referred to as Caranx trachurus in the original description) off Genova, Italy. Pseudaxine trachuri was designated the type species of the genus.
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In 2011, sales of these species increased and the most traded species were Octopus vulgaris, Sardina pilchardus, Merluccius merluccius, Trachurus trachurus, and Trisopterus luscus weighing 1,732,105 kg and valuing €3,086,235, with €1.78 as average price ranging from €0.54 for sardines and €2.56 for octopuses.
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Trachurus capensis is considered to be a subspecies of the Atlantic horse mackerel (Trachurus trachurus) by some authorities but it is thought that there is no adequate series of this specimens of these taxa along the coast of Africa available to confirm the validity of this taxon.
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Pseudaxine was established to accommodate Pseudaxine trachuri from the gills of the Atlantic horse mackerel Trachurus trachurus (referred to as Caranx trachurus in the original description), designated as the type species of the genus. It was placed in the Microcotylinae,Palombi, A. (1949). I. Trematodi d'Italia: parte I. Trematodi Monogenetici. Rosenberg.Tripathi, Y. R. (1956).
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Pseudaxine trachuri infect young scads Trachurus trachurus when the 3 or 4 month-old fishes join the sea bottom in October. The monogenean matures in 3-4 months( exceptionally 1 month), and it lives for no longer that one year. Thus, Trachurus specimens pick up new monogeneans at their second year. During the summer months of July, August and September, only adult specimens of Pseudaxine trachuri are found on the gills of their hosts.
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The Chicharro Sculpture The Chicharro Sculpture or Allegorical sculpture the Chicharro it is a bronze sculpture of a horse mackerel (Trachurus trachurus), located in the city of Santa Cruz de Tenerife (Canary Islands, Spain), which has become one of its most beloved symbols. Originally the sculpture was donated to the city by the Venezuelan Cultural Association's "Liqui-Liquis" and the city of Santa Cruz and the island of Tenerife gift. He settled in 1979 in a place that was later called Square of Chicharro. In 2000 the statue was stolen and billed to Valencia, where he narrowly escaped being melted for scrap metal.Eldia.
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This parasite "has been recorded from practically every freshwater fish species within its natural range". Food and sport fish and other commercially important species parasitized include carp and minnows such as goldfish and koi, members of the sunfish family, and salmonids such as salmon and trout. Hosts include blue bream (Ballerus ballerus), silver bream (Blicca bjoerkna), European eel (Anguilla anguilla), northern pike (Esox lucius), three-spined stickleback (Gasterosteus aculeatus), pumpkinseed (Lepomis gibbosus), ide (Leuciscus idus), abu mullet (Liza abu), European perch (Perca fluviatilis), common roach (Rutilus rutilus), common rudd (Scardinius erythropthalmus), wels catfish (Silurus glanis), zander (Sander lucioperca), tench (Tinca tinca), and Atlantic horse mackerel (Trachurus trachurus).Boxshall, G. and T. C. Walter. (2013).
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The fish market is managed by Docapesca Portos e Lotas S.A. which holds 20 fish markets. The fish market is, along with the Viana do Castelo Fish Market, part of the Northern Delegation of the company which is located in the Port of Póvoa de Varzim, it also includes seven small selling posts in smaller traditional fishing communities. Póvoa de Varzim Fish Market, in Póvoa de Varzim Captaincy, has two dependent selling posts (Vila do Conde and Vila Chã, both in Vila do Conde Captaincy). The access to the fish market is available to traders registered in Docapesca and have an infrared remote control or online access license, although only presentational trading is available. According to the 2010 statistics by DocaPesca, the five most sold species were Sardina pilchardus, Octopus vulgaris, Merluccius merluccius, Trisopterus luscus, and Trachurus trachurus, weighing 1,625,469 kg and valuing €2,714,966, with €1.67 as average price, ranging as low as €0.46 for sardines and the octopus was traded at an average of €2,62.
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