621 Works

First record of the Lessepsian species Hemiramphus far (Hemiramphidae) in Italian waters

Manuela Falautano, Luca Castriota, Pietro Battaglia, Teresa Romeo & Franco Andaloro
Several specimens of the Lessepsian species Hemiramphus far (Forsskål, 1775) were caught by fishermen in Lampedusa Island (Straits of Sicily) in January and August 2013. Their morphometric and meristic characteristics, as well as diet observations, are reported. These findings represent the first documented record of this species in Italian waters and are the missing link in its migration pattern from the eastern Mediterranean Basin to the western one.

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...

New record and rediscription of Uranoscopus crassiceps Alcock, 1890 (Uranoscopidae) from Oman, Arabian Sea, northwestern Indian Ocean, based on adult specimens

Ronald Fricke, Laith A. Jawad, Lubna H. Al-Kharusi & Juma M. Al-Mamry
The stargazer Uranoscopus crassiceps is recorded from off the south coast of Oman for the first time. It is rediscribed on the basis of four adult specimens. The species is characterised by a large head (head length 2.7-2.9 in standard length, 2.6-2.7 in juveniles and subadults), and a relatively long pelvic fin (pelvic-fin length 4.2 in SL, 4.5-5.2 in juveniles and subadults); lower edge preopercle with 4-7 spines; labial fimbriae well developed; both nostrils with...

A new dwarf cichlid (Perciformes) from Nigeria

Anton Lamboj
Pelvicachromis silviae, a new cichlid species, is described. It differs from congeners by unique col- oration of females and a combination of morphological characters, e.g. greater body depth, shorter snout length, greater eye orbit diameter and several other meristic parameters. The species occurs in the lower Niger River system and seems to represent within the genus a closer relative to P. subocellatus.

A new species of freshwater goby from Pohnpei, Micronesia (Gobioidei: Sicydiinae)

Brian Lynch, Philippe Keith & Frank Pezold
Lentipes caroline n. sp., a freshwater goby, is described on the basis of 21 specimens (12 males, 9 females) collected from high gradient streams on the island of Pohnpei, Federated States of Micronesia. It differs from other species of the genus by a combination of characters including a urogenital papilla lacking lateral lobes and being not retractable into a sheath-like groove, 16 pectoral fin rays, pore O generally lacking, a small head (head length 18-24%...

Relations allométriques entre la longueur du poisson et la taille de l’otolithe chez trois anguilliformes des côtes du nord de la Tunisie (Méditerranée centrale)

Balkis Sallami, Philippe Béarez & Mohamed Ben Salem
Un échantillon comprenant 36 spécimens de congre bec-fin (Gnathophis mystax), 198 de congre d’Europe (Conger conger) et 61 de murène de Méditerranée (Muraena helena) a été sélectionné parmi les captures faites à l’aide de palangres ou de chaluts sur la côte nord-est de Tunisie, entre décembre 2008 et décembre 2010. Chez les deux espèces de Congridae, G. mystax et C. conger, la masse des otolithes et la longueur du poisson sont fortement liées par une...

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...

A new Stiphodon (Gobiidae) from Indonesia

Philippe Keith, Frédéric Busson, Sopian Sauri, Nicolas Hubert & Renny K. Hadiaty
A new species of Stiphodon, an amphidromous goby, is described from streams of three islands in Indonesia, Java, Bali and Lombok. It differs from other species of the genus by a combination of characters including 14-15 pectoral rays, a second dorsal fin with nine segmented rays, fewer scales in predorsal, transverse forward and transverse back series, and a diagnostic golden and black pattern in male.

Two southeastern Atlantic records of the rare largetooth cookiecutter shark, Isistius plutodus (Selachii, Squaliformes, Dalatiidae)

Matthias Stehmann & Efim I. Kukuev
Two more females of the very rare pelagic dalatiid shark Isistius plutodus Garrick & Springer, 1964 are reported as the first records from the open SE Atlantic over the Walvis Ridge. These are described in detail with their morphometrics and internal meristics, and illustrated with photographs. All 10 specimens so far published after the holotype have been tracked regarding their whereabouts, with the result that only five of them (at AMS, MOVI, ZMH, ZUEC) do...

Ecomorphology and diet of two species of Acestrorhynchus from Brazilian Northeast

Elãine C. dos S Dourado, Jorge L.S. Nunes & Nivaldo M. Piorski
Acestrorhynchus falcatus (Bloch, 1794) and A. heterolepis (Cope, 1878) are two species frequently found in rivers from Baixada Maranhense, Maranhão State, northeastern of Brazil. The ecomorphological adaptations of these species were studied based on a collection of 445 specimens using morphometric tools. Seventeen landmarks were defined on the lateral side of the individuals and digitalized by the TPS Dig program. The data matrix was submitted to a Relative Warps Analysis (RWA) and a Canonical Variables...

Life history traits of the exploited Nile Tilapia (Oreochromis niloticus – Cichlidae) in a subtropical reservoir (Lao PDR)

Anne Tessier, Charlotte Blin, Maud Cottet, Kaoboun Kue, Jacques Panfili, Vincent Chanudet, Stéphane Descloux & Jean Guillard
Biological traits of Oreochromis niloticus were studied in order to identify potential differences between the population of the Nam Theun 2 Reservoir and other populations in Asia and in Africa. The study also aimed to characterize the demographic structure of the exploited population by fisheries in the reservoir. Toluidine-stained transverse section of otoliths from 322 specimens, collected between November 2015 and January 2017, were analysed to identify the periodicity of annulus formation and to age...

Dietary comparison of pike-perch, Sander lucioperca (Linnaeus, 1758) and catfish, Silurus glanis Linnaeus, 1758 in Sidi Salem dam reservoir (Tunisia)

Houda Djait, Lilia Bahri-Sfar, Houcine Laouar, Néjiba Missaoui & Oum Kalthoum Ben Hassine
Sidi Salem dam (Northern Tunisia) hosts two introduced predatory fish species: the pike-perch, Sander lucioperca, and the catfish, Silurus glanis. We examined the stomach contents of 162 S. glanis and 547 S. lucioperca specimens sampled along two years from four different stations in the dam reservoir. Both species were found to feed mainly on teleost fishes, with the cyprinids Sarmarutilus rubilio and Scardinius erythrophthalmus as the main preys. One species of crustacean and insect larvae...

Morphological and histological study of the scales of the grey notothen, Lepidonotothen squamifrons (Günther 1880) (Nototheniidae; Perciformes; Teleostei)

Frédérique Lecomte, François J. Meunier & Guy Duhamel
The scales of the grey notothen, Lepidonotothen squamifrons (Günther, 1880), show the classical organization of ctenoid scales: an external acellular ornamented bony layer bordered by posterior spines, the ctenii, and overlaying an incompletely mineralized basal plate. The basal plate is constituted by a number of collagenous layers that form an orthogonal plywood-like organization. The mineralization of the basal plate progresses due to the formation of ovoid Mandl’s corpuscles that progressively fused to each other. The...

Shore fishes of French Polynesia

Gilles Siu, Philippe Bacchet, Giacomo Bernardi, Andrew J. Brooks, Jeremy Carlot, Romain Causse, Joachim Claudet, Eric Clua, Erwan Delrieu-Trottin, Benoit Espiau, Mireille Harmelin-Vivien, Philippe Keith, David Lecchini, Rakamaly Madi Moussa, Valeriano Parravicini, Serge Planes, Cédric Ponsonnet, John E. Randall, Pierre Sasal, Marc Taquet, Jeffrey T. Williams & René Galzin
On the occasion of the 10th Indo-Pacific Fish Conference (http://ipfc10.criobe.pf/) to be held in Tahiti in October 2017, it seemed timely to update Randall’s 1985 list of the fishes known from French Polynesia. Many studies focusing on fishes in this area have been published since 1985, but Randall’s list remains the authoritative source. Herein we present an expanded species list of 1,301 fishes now known to occur in French Polynesia and we review the expeditions...

Histological characteristics of lower jaw bones and oral teeth of the short nose gar, Lepisosteus platostomus Rafinesque, 1820 (Lepisosteidae)

François J. Meunier & Paulo M. Brito
Lepisosteidae are ram feeding fishes with caniniform teeth on their upper and lower jaws. The teeth are constituted of a cone of dentine with an apical cap of acrodin, and are fixed to the jaw bones by bone of attachment. The external surface of the teeth is ridged from their base till the base of the apical cap. The wall of the pulp cavity, shows radially-oriented folds that are characteristic of plicidentine. The enamel layer...

Checklist of the marine fishes from metropolitan France

Philippe Béarez, Patrice Pruvost, Eric Feunteun, Samuel P. Iglésias, Patrice Francour, Romain Causse, Jeanne De Mazieres, Sandrine Tercerie & Nicolas Bailly
A list of the marine fish species occurring in the French EEZ was assembled from more than 200 references. No updated list has been published since the 19th century, although incomplete versions were available in several biodiversity information systems. The list contains 729 species distributed in 185 families. It is a preliminary step for the Atlas of Marine Fishes of France that will be further elaborated within the INPN (the National Inventory of the Natural...

S7 characterization of Western European pikes Esox spp. (Actinopterygii, Esociformes

Gaël P.J. Denys, Théo Lauga, Giovanni B. Delmastro & Agnès Dettaï
The comparison of a 1635 bp fragment of the first intron of the S7 ribosomal protein coding gene, a commonly used phylogenetic marker, for specimens from the three European pike species Esox aquitanicus, Esox cisalpinus and Esox lucius highlights diagnostic sites and indels constituting molecular synapomorphies. Both the sequence alignment and the phylogenetic tree discriminate these three species, even with a short sequence fragment. Three Esox lucius haplogroups can be separated. These haplogroups might correspond...

Comparison of feeding apparatus and feeding intensity of the European sardine (Sardina pilchardus) off Morocco in two Atlantic upwelling areas with different seasonal activity

Kenza Ouakka, Ahmed Yahyaoui, Hakim Mesfioui, Salah El Ayoubi & Jilali Bensbai
This study investigates the feeding intensity and the morphology of the feeding apparatus (gill rakers) of the European sardine Sardina pilchardus (Walbaum, 1792) in two hydro-dynamical contrasting areas of the eastern boundary upwelling system off Morocco. North, one area is characterized by a summer upwelling while South, the other area is more productive with a strong and almost permanent upwelling. Fish from both areas differ in their feeding intensity, fish condition and gill raker number...

CHIPS: A database of historic fish distribution in the Seine River basin (France)

Sarah Beslagic, Marie-Christine Marinval & Jérôme Belliard
The evolution of freshwater fish distribution and long term change in the composition of fish assemblages in rivers are currently the subject of various ecological studies. These studies usually focus on a relatively short range of time, rarely exceeding the last few years. However, this interval is far too short to understand in what extent human societies impact their environment. In order to study interactions between human activities and rivers and their fish assemblages over...

La contamination métallique du rouget de vase (Mullus barbatus) et de la sardinelle (Sardinella aurita) du golfe de Tunis

Rym Ennouri, Sami Mili & Lassaad Chouba
L’objectif de cette étude est de comparer les niveaux de contamination en métaux (Cd, Pb, Hg, Cu et Zn) d’une espèce benthique, le rouget de vase (Mullus barbatus), et une d’espèce pélagique, la sardinelle (Sardinella aurita) du golfe de Tunis. L’accumulation saisonnière des cinq éléments considérés a été suivie dans le muscle, le foie, les branchies, le cerveau et les gonades durant l’année 2006. Pour les deux espèces étudiées, le site préférentiel d’accumulation du Cd...

First record of Carolines parrotfish (Calotomus carolinus) and king angelfish (Holacanthus passer) around the Clipperton Atoll-La Passion Island (North-Eastern Tropical Pacific)

Eric Clua & Serge Planes
A mission on the Clipperton atoll (Eastern Tropical Pacific) in August 2018 allowed the unprecedented capture and identification of an adult individual of Carolines parrotfish (Calotomus carolinus) and a juvenile of king angelfish (Holacanthus passer).

A redescription of Stiphodon pulchellus (Herre, 1927) (Gobiidae: Sicydiinae)

Ken Maeda, Tetsuo Yoshino & Katsunori Tachihara
Stiphodon pulchellus (Herre, 1927) is redescribed based on 29 specimens collected in the Philippines. In addition, a neotype is designated using a specimen collected by Herre near the type locality (Dumaguete, Negros Oriental) and identified by him. Stiphodon olivaceus Watson & Kottelat, 1995 is considered to be a junior synonym of S. pulchellus. Despite being strikingly similar to Stiphodon imperiorientis, S. pulchellus can be distinguished by the size, number, and arrangement of black spots on...

Détermination de l’âge et de la croissance de la coryphène, Coryphaena hippurus, des côtes tunisiennes par l’analyse des microstructures des otolithes

Amina Besbes Benseddik, Raouf Besbes, Sergio Vitale, Soufia Ezzeddine-Najaï, Leonardo Cannizzaro & Ridha M'Rabet
L’âge de Coryphaena hippurus a été estimé par otolithométrie en se basant sur l’examen des microstries journalières de la sagitta. Au total, 120 otolithes ont été extraits de juvéniles collectés sur les côtes tunisiennes pendant la campagne de pêche 2005 (août à décembre). La longueur à la fourche des échantillons est comprise entre 24 et 65 cm. Le nombre d’accroissements journaliers varie de 53 à 230 chez les femelles et de 62 à 239 chez...

Redescription and phylogenetic position of the fossil killifish †Carrionellus diumortuus White from the Lower Miocene of Ecuador (Teleostei: Cyprinodontiformes)

Wilson J.E.M. Costa
†Carrionellus diumortuus from the Lower Miocene of Loja, southern Ecuador, is the type species of †Carrionellus, the only American cyprinodontiform genus uniquely containing fossil species. It was first considered as a member of the cyprinodontid tribe Cyprinodontini, a group comprising extant taxa geographically restricted to North and Middle America, but recently it has been tentatively placed in the Neotropical family Anablepidae. †Carrionellus diumortuus is herein redescribed on the basis of examination of the type series....

Dispersal of land-locked larval Ryukyu-ayu, Plecoglossus altivelis ryukyuensis, in the Fukuji Reservoir, Okinawa Island

Tatsuya Kawakami & Katsunori Tachihara
The dispersal of larval land-locked ryukyu-ayu, Plecoglossus altivelis ryukyuensis , which originated from an amphidromous form on amami-oshima island, was investigated from November 2000 to april 2001 in the freshwater Fukuji reservoir. a total of 232 larvae were collected at three stations at different distances from the mouth of the San- numata river. They were most abundant at the station closest to the San-numata river (Station1; 76.3% of total catch) and their distribution in the...

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