Acta Ichthyologica et Piscatoria
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The capture of a juvenile, male, great white shark, Carcharodon carcharias (Linnaeus, 1758), off the Corsican coast (Mediterranean Sea) in 2012 is reported in this note along with two other new records (1976 and 2011). Additionally, 8 other historical and more recent records from the same area are presented and commented. These records are compared with those reported from more distant areas. Conclusions...
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Otoliths are widely used in stomach content analysis because they are one of the last species-specific features to be digested by piscivorous predators and they may be used as an important tool for prey classification. The linear regressions between otolith size (length and height), otolith weight versus fish length and weight of the benthopelagic species, Lampanyctus crocodilus (Risso, 1810), living...
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On 2 August 2013, a specimen of the cobia, Rachycentron canadum (Linnaeus, 1766), was caught off Marmaris, south-eastern Aegean coast of Turkey. The fish was examined and morphometric characteristics of the specimen collected were determined. The species is being reported from the second time in the Mediterranean, preceded by its first occurrence off Haifa, Israel in 1978. The newly caught specimen...
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The presently reported study provides length–weight relations of 14 fish species from mangrove swamps of La Paz Bay, Baja California Sur, México: Diapterus brevirostris (Sauvage, 1879); Eucinostomus currani Zahuranec, 1980; Eucinostomus dowii (Gill, 1863); Eucinostomus entomelas Zahuranec, 1980; Eucinostomus gracilis (Gill, 1862); Ctenogobius sagittula (Günther, 1862); Haemulopsis nitidus (Steindachner,...
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Background. The fishes of the genus Schizothorax, commonly known as snowtrouts, are a group of species that are difficult to distinguish based on external morphological characters. One of them, Schizothorax plagiostomus Heckel, 1838, is a commercially important freshwater fish with wide distribution along the Himalayan foothills. However, recent observations have indicated drastic declines and change...
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Background. The Dniprodzerzhynsk reservoir is one of six reservoirs built on the Dnieper River, which currently supports important commercial and recreational fisheries. To date, there are no published data on the reservoir’s non-commercial fish species, among which gobies are considered to be the most abundant and important species. The goal of this work was to contribute to general knowledge on...
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The Senegalese sole, Solea senegalensis Kaup, 1858, was recorded for the first time from the southeastern Mediterranean near Tel-Aviv, Israel on 17 May 2013. This eastern Atlantic species is rare in the western Mediterranean, but now also documented from the southeastern Mediterranean.
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Length–weight regressions for seven grenadier species: Coryphaenoides rupestris Gunnerus, 1765, Trachyrincus murrayi Günther, 1887, Coelorinchus caelorhincus (Risso, 1810), Nezumia aequalis (Günther, 1878), Coryphaenoides mediterraneus (Giglioli, 1893), Coelorinchus labiatus (Köhler, 1896), and Coryphaenoides guentheri (Vaillant, 1888) are calculated from data collected on a series of deepwater surveys...
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The knowledge on the effect of different stress factors on Atlantic salmon, Salmo salar Linnaeus, 1758, is far from complete and therefore we decided to find out how the low water level stress could effect pathophysiological parameters such as: plasma cortisol level, haemoglobin, haematocrit, chloride (Cl–), sodium (Na+), osmolality, lactate, and glucose in this fish; and how this stressor affects...
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Gammogobius steinitzi Bath, 1971, a goby species endemic to the Mediterranean Sea, was observed for the first time in the Black Sea in marine caves of western Crimea (Tarkhankut, Ukraine). A description of the morphological and ecological characteristics is given on the basis of the analyses of 5 specimens. The morphological and ecological characteristics of the Black Sea specimens do not differ from...
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Background. Several studies have highlighted the negative potential of recreational boat fishing to put pressure on coastal fish species and in particular on those that are vulnerable. We focused on this problem launching the first such survey in the area on this type of fishery in the Azorean region. We were trying to assess the catch, harvest, and effort, to investigate spatial and temporal variability,...
