265 Works

Monophyly of the genus Liopsetta (Pleuronectidae)

Elena Voronina & Bruno Chanet
A phylogenetic analysis of 15 flatfish species based on 40 morphological characters was conducted to determine the interrelationships of the genera Liopsetta, Pleuronectes and Pseudopleuronectes. The results indicate that Liopsetta forms a monophyletic lineage defined by the reduction of the infraorbital sensory canal of the ocular side, small scale size and small body size. The monophyly of Pseudopleuronectes (including P. obscurus) is supported by the interrupted coronal commissure and of Pleuronectes by the presence of...

First record of Phoxinus csikii Hankó, 1922 (Actinopterygii, Cypriniformes) in France

Gaël P.J. Denys & Sébastien Manne
A molecular identification via DNA barcoding (COI marker, 651 bp) was done on a minnow caught in the Rupt de Mad stream at Essey-et-Maizerais (Rhine/Moselle catchment). Accordingly, the specimen belongs to the recently revalidated Phoxinus csikii Hankó, 1922. It is the first record of this species in France, and the fourth minnow species known in this country.

First records of two sparid species, Diplodus omanensis and Pagellus affinis (Perciformes: Sparidae) from western coast of Pakistan

Shabir Ali Amir, Fumiya Tanaka, Pirzada Jamal Siddiqui & Yukio Iwatsuki
A single specimen of Diplodus omanensis Bauchot & Bianchi, 1984 and of Pagellus affinis Boulenger, 1888 were collected from Karachi fish market, presumably originating from the western coast of Pakistan, in the Arabian Sea. These specimens represent the first records of these two sparid species from the Pakistani waters.

First insights into karyotype evolution within the family Mormyridae

Catherine Ozouf-Costaz, Jean-Pierre Coutanceau, Céline Bonillo, Chantal Guidi-Rontani & Didier Paugy
The chromosomal diversity within six species of Mormyridae belonging to six different genera (Gnathonemus petersii, Marcusenius moorii, Ivindomyrus obdenboschi, Brienomyrus sp., Stomatorhinus walkeri and Petrocephalus microphthalmus) is investigated for the first time. These species have a conserved diploid chromosome number of 2n = 50 (except G. petersii 2n = 48) but different chromosome formulae, essentially involving pericentric inversions. C-banding has been used for the localization of heterochromatin. For a deeper interspecific comparison, several molecular markers...

Evidence of two species currently under the name of Eleotris fusca (Gobioidei: Eleotridae) in the Indian Ocean

Marion Isabelle Mennesson & Keith Philippe
The species of Schismatogobius from Indonesia are reviewed and compared to the known species described from the area. Eight species are recognized including four new species. These are described using genetic and morphomeristic approaches. The species differ by a high percentage of genetic divergence in partial COI gene (652 bp) and by several characters including the number of pectoral fin rays, the pattern of the ventral surface of the head in males and/or females, the...

First information on biology of the needlefish Tylosurus acus imperialis (Belonidae) off the Tunisian coast (Central Mediterranean)

Manel Chaari, Lobna Boudaya, Salvatore Gancitano, Vita Gancitano, Fabio Fiorentino & Lassâd Neifar
Sex ratio, age and growth, length and age at sexual maturity, and spawning season of the Mediterranean needlefish Tylosurus acus imperialis (Rafinesque, 1810) off Tunisian coast were investigated. A total of 126 individuals (54 females and 72 males) were sampled. The length weight relationships for females and males were W = 0.0027 L2.832 (s.e.a ± 0.004; s.e.b ± 0.238) and W = 0.0026 L2.827 (s.e.a ± 0.002; s.e.b ± 0.188), respectively. Otolith reading revealed that...

A proposed best practice approach to overcome unverified and unverifiable “first records” in ichthyology

Giambattista Bello, Romain Causse, Lovrenc Lipej & Jakov Dulčić
We propose here a best practice protocol to be followed by prospective authors of first record notes; it was prompted by the publication in scientific journals of several erroneous “first records”. This includes accurate checking of available regional fish diversity catalogues; designation and deposit of voucher specimen(s) in curated collections with proper information; inclusion of photograph(s), meristic and morphometric characters, and, whenever possible, DNA sequences (Barcoding) of the specimen(s). Examples are taken from the Mediterranean...

Use of tide pools as a spawning site by the bocon toadfish Amphichthys cryptocentrus (Batrachoidiformes: Batrachoididae), state of Maranhão, Brazil

Glínia K. F. Coelho, Luly de A. Nogueira, Pâmela S. de Brito, Nivaldo M. Piorski & Jorge L. S. Nunes
This note reports the first record of Amphichthys cryptocentrus using tide pools on the beaches of the state of Maranhão, Brazil as a spawning site and nursery.

Reproductive biology of Lophius budegassa (Lophiidae) in the North Aegean Sea

C.C. Yigin, A. Ismen & M. Arslan
The reproductive biology of black-bellied anglerfish, Lophius budegassa Spinola, 1807, was described for the first time in the Saros Bay, in the North Aegean Sea, between September 2006 and September 2008. A total of 862 specimens (15.7-107.0 cm) was sampled. Sex-ratio, spawning period and length at first sexual maturity were determined. The F:M sex-ratio was close to 1.5. Using gonadosomatic index and gonadal macroscopic observation, the spawning period was estimated to occur between December and...

Diet of the black scorpionfish Scorpaena porcus (Scorpaenidae) of the gulf of Annaba, Algeria

Nihed Omri, Farid Derbal & M. Hichem Kara
The diet of the black scorpionfish Scorpaena porcus (Linnaeus, 1758) of Annaba Gulf (Eastern Algeria) was studied from April 2011 to April 2012. A total of 520 specimens, with a total length between 10.2 and 27.8 cm, were analyzed. Analysis of the digestive contents revealed a dominance of decapods crustaceans (%IRI = 91.2). This species ingested an average of 0.58 prey weighing 0.73 g. For both sexes, arthropods were essential prey (%IRIm = 73.6; %IRIf = 86.9). The diet of large (L) individuals...

Parabothus rotundifrons (Pleuronectiformes: Bothidae), a new bothid flatfish from Saya de Malha Bank (Indian Ocean)

Elena Voronina, Patrice Pruvost & Romain Causse
Nine species of Parabothus are currently recognized. A new bothid flatfish, Parabothus rotundifrons, is described from six specimens. It is considered as a species of Parabothus because of caudal skeleton structure, moderate width of concave interorbital space in male and moderate body depth in both male and female. P. rotundifrons is easily separable from other congeners by having a lowest number of scales in the lateral line (48-58), biserial teeth on the upper jaw, steep...

Record of Bodianus rubrisos Gomon, 2006 from the northern Red Sea, previously misidentified as B. leucosticticus (non Bennett) or B. trilineatus (non Fowler) (Labridae)

Avi Baranes, Ronald Fricke, Daniel Golani & Brenda Appelbaum-Golani
Fishes of the subgenus Bodianus (Peneverreo) Gomon, 2006 from the Gulf of Aqaba, northern Red Sea, previously alternatively reported as Bodianus leucostictus [sic] (non Bennett, 1832), B. leucosticticus (non Bennett, 1832), or B. trilineatus (non Fowler, 1934), are reidentified as B. rubrisos Gomon, 2006, based on two specimens from Eilat, Israel. These specimens are redescribed. The apparently disjunct distribution of B. rubrisos is discussed.

Annotated checklist for fishes of the Main Nile Basin in the Sudan and Egypt based on recent specimen records (2006-2015)

Dirk Neumann, Henriette Obermaier & Timo Moritz
The results of several short ichthyological surveys on the Nile Basin in Sudan between 2006 and 2015 are presented. In attempting to represent major type localities and recently observed variability, we complement known field records with records of a reference collection of recent fish bones collected during the 1980s and records of aberrant cichlids populations in Egypt observed at El Fayum and in lakes of the Nile Delta. From 133 native species in the Republic...

Using body mass index (BMI) to estimate mercury contamination of the blue shark (Prionace glauca) and the shortfin mako (Isurus oxyrinchus)

Sebastian Biton Porsmoguer, Ivan Dekeyser, Daniela Banaru, Marc Bouchoucha & Françoise Marco-Miralles
Blue shark (Prionace glauca) and shortfin mako (Isurus oxyrinchus) specimens were caught in the North-eastern Atlantic Ocean by Spanish and Portuguese longliners. They are considered as top-predators, particularly susceptible to bioaccumulate mercury (Hg). The Hg mean levels in blue shark and shortfin mako were 0.4 (SD = 0.3 mg kg-1) and 0.5 (SD = 0.9 mg kg-1), respectively. The body mass index (BMI) was tested to demonstrate the accumulation of Hg in these two top-predators,...

Length-weight relationships of ten teleost fish species from seagrass meadows at the Canary Islands (North-eastern Atlantic)

Fernando Espino, Raül Triay-Portella, José A. González, Ricardo Haroun & Fernando Tuya
This paper reports on the length-weight relationships of ten teleost fish species inhabiting seagrass meadows constituted by the marine angiosperm Cymodocea nodosa from the Canary Islands (North-eastern Atlantic): Bothus podas, Xyrichtys novacula, Mullus surmuletus, Sparisoma cretense, Diplodus annularis, Pagellus erythrinus, Spondyliosoma cantharus, Syngnathus typhle, Canthigaster capistrata and Sphoeroides marmoratus. A total of 1,396 individuals were collected using a seine net. These equations represent the first biological data for C. capistrata and S. marmoratus throughout their...

Taxonomic status of Scorpaena rawakensis Quoy & Gaimard, 1824 (Scorpaenidae)

Hiroyuki Motomura, Philippe Béarez & Romain Causse
A poorly known scorpionfish Scorpaena rawakensis Quoy & Gaimard, 1824, originally described on the basis of a single specimen from northern New Guinea, has not been reported since its original description, and the holotype has been lost. Examination of the original description revealed that the nominal species was a senior synonym of Scorpaenodes parvipinnis (Garrett, 1864). However, we herein regard S. parvipinnis as a valid name, following “Reversal of precedence” defined by ICZN (1999).

Tench (Tinca tinca) in Sicily: current knowledge and research needs for conservation and management

Antonino Duchi
Despite its probable ancient introduction, the knowledge about tench (Tinca tinca) in Sicily is still inadequate. The only recent data can be found in studies on the distribution of freshwater fish in some areas of the island (namely the Eastern and South-Eastern sides) and consist mainly on presence/absence data, sometimes with an abundance estimate. The management of the populations is not based on biological and ecological information. This study reports historical and recent available data...

Objective record of Pterois russelii (Scorpaenidae: Pteroinae) from the Red Sea

Mizuki Matsunuma, Sergey V. Bogorodsky, Hiroyuki Motomura & Ahmad O. Mal
A single specimen of Pterois russelii, collected off Jizan, Saudi Arabia, confirms the previously unsubstantiated record of this species from the Red Sea. Comparisons of P. russelii with Red Sea congeners are provided.

Genetic, morphometric and meristic analyses of first Acanthurus monroviae specimens recorded in Maltese waters (Central Mediterranean)

Sandra Agius Darmanin, Noel Vella & Adriana Vella
This paper documents the occurrence and analyses of Acanthurus monroviae in Maltese waters. A first specimen was collected from the Maltese waters on the 28th September 2013 and a second specimen was caught on the 13th October 2015. This species is non-indigenous in the Mediterranean as it is native to the eastern tropical Atlantic. Apart from undertaking identification through meristic and morphometric measurements of the specimens, genetic analyses of 2880 bp from mtDNA genes were...

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