250 Works

Composition et variations spatio-temporelles du régime alimentaire de Trachurus trachurus (Carangidae) de la côte atlantique marocaine

Fatima Wahbi, François Le Loc'h, Amina Berreho, Aissa Benazzouz, Abdelouahed Ben Mhmed & Ahmed Errhif
Le régime alimentaire du chinchard d’europe, Trachurus trachurus (Linnaeus, 1758), a été étudié au sud de la côte atlantique marocaine, entre cap blanc et cap boujdour (21°00’N-26°30’N). L’échantillonnage a été réalisé durant les saisons chaude (juin-juillet-août) et froide (novembre-décembre) en 2007 et 2008. L’analyse du contenu stomacal de 456 individus a montré que le régime alimentaire de T. trachurus est diversifié, composé essentiellement de crustacés pélagiques qui représentent ses proies préférentielles. une analyse en composante...

Notes on the feeding habits of Gaidropsarus guttatus (Collett, 1890) from Faial Island, Azores, NE Atlantic, PT

Madaíl Ávila, Donzília Nunes, Leonardo F. Machado & João P. Barreiros
Gaidropsarus guttatus is a nocturnal predator that dwells in rocky bottoms of Macaronesian coastal areas. There are no studies as yet on the feeding ecology of this species. This paper describes the feeding habits of this quite unknown species, based on a sample from Faial Island, Azores, Portugal. This sample is composed of 82 specimens collected between August 1997 and April 1999, both in intertidal pools and sub-tidal shallow waters (max. depth 10 m). 95%...

La collection de préparations histologiques effectuées par Paul Gervais (1816-1879) sur le squelette des “poissons”

François J. Meunier & Marc Herbin
Paul Gervais (1816-1879) fut titulaire de la chaire d’Anatomie comparée du Muséum national d’Histoire naturelle de 1868 à 1879. Pendant la dernière partie de sa carrière, il s’était intéressé à la structure microscopique du squelette des vertébrés, tout particulièrement de celui des mammifères fossiles, mais aussi de divers éléments minéralisés de “Poissons”1 actuels. Il avait effectué un certain nombre de préparations microscopiques (plaques minces) de pièces squelettiques de chondrichtyens et d’ostéichtyens variés dont une quarantaine...

New record of the bothid flounder Parabothus taiwanensis (Bothidae, Pleuronectiformes) from the southern Pacific Ocean (Vanuatu Archipelago) with description of a new diagnostic character

Elena Voronina & Romain Causse
A finding of the rare species of bothid flounder Parabothus taiwanensis in the Vanuatu Archipelago, previously known only from the East China Sea, is reported. The distribution of this species can now be extended considerably to the south-east, to the Coral Sea, with depth to 250 m. Illustrated descriptions of specimens are provided, and a new character, the perforation of the bases of dorsal and anal fin membranes, can be added to the diagnosis of...

Three new species of Lentipes from Indonesia (Gobiidae)

Philippe Keith, Renny K. Hadiaty, Nicolas Hubert, Frédéric Busson & Clara Lord
Three new species of Lentipes (L. argenteus, L. ikeae and L. mekonggaensis), freshwater gobies, are described from streams of Sumatra, Java, Bali and Sulawesi (Indonesia). They differ from other species of the genus by a combination of characters including an urogenital papilla lacking lateral lobes and retractable into a sheath-like groove, the number of pectoral fin rays, the number of scales, tricuspid teeth in the upper jaw, and a specific body colour in males.

The silver-cheeked toadfish Lagocephalus sceleratus (Gmelin, 1789) reaches Italian waters

Jakov Dulčić & Branko Dragičević
On 8 April 2014, one specimen of Lagocephalus sceleratus (Gmelin, 1789) (male; total length, TL = 53 cm; weight, W = 1536 g) was captured in Vodice Bay (middle eastern Adriatic, Croatian waters). This represents the third record of this species in the eastern Adriatic (Croatian waters).

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.

A new genus and species of neotropical electric fish, Japigny kirschbaum (Gymnotiformes: Sternopygidae), from French Guiana

François J. Meunier, Michel Jégu & Philippe Keith
Several specimens of a new knife-fish, Distocyclus guchereauae, belonging to Sternopygidae (Gym- notiformes), were caught in two tributaries (Litany and Tampoc) of Maroni river (French Guiana). This species differs from the other Distocyclus by having 13-14 versus 11-15 precaudal vertebrae, a small number of anal fin rays (184-187 versus 160-260), a triangular head with a short snout and a terminal mouth, and the anus located straight below the eyes.

Feeding strategy and trophic ontogeny in Scorpaena maderensis (Scorpaeniformes: Scorpaenidae) from the Azores, NE Atlantic

Leonardo F. Machado, Donzília Nunes, Madaíl Ávila, Rui P. Vieira & João P. Barreiros
Feeding habits of Scorpaena maderensis Valenciennes, 1833 from the Azores archipelago were investigated. The stomach contents of 245 specimens, collected between August 1997 and July 1999, were analysed. Decapod crustaceans and teleost fishes constitute the main food items, revealing a high level of specialization by S. maderensis. Ontogenic shifts and seasonal changes in the diet composition were observed, unveiling the adaptability and opportunistic predatory behaviour of this scorpaenid.

New and rare records of teleost fishes from the Cape Verde Islands (eastern-central Atlantic Ocean)

José A. González, Albertino Martins, José I. Santana, Raül Triay-Portella, Carlos Monteiro, Verónica García-Martín, Sebastián Jiménez, Gustavo González-Lorenzo, José G. Pajuelo, José M. Lorenzo & Manuel Biscoito
As a result of six exploratory surveys and several opportunistic catches in the Cape Verde Islands from a few metres to about 1000 m of depth, a list of 66 species of teleost fishes is given, six of which are first records from the archipelago: Gnathophis mystax (Congridae), Nezumia africana, Nezumia duodecim (Macrou- ridae), Ectreposebastes imus (Scorpaenidae), Paraliparis sp. (Liparidae) and Lappanella fasciata (Labridae). Additionally, data on six poorly-known species is also given: Myroconger compressus...

Revision of vernacular names for the freshwater fish of French Guiana

Pierre Grenand, Jean Chapuis, André Cognat, Antonia Christinoi, Damien Davy, Françoise Grenand, Michel Jégu, Philippe Keith, Emmanuel Martin, François Nemo, Hélène Pagezy & Pierre-Yves Le Bail
The fish fauna of French Guiana is one of the best described in the geographical area covering the Guiana Shield. Paradoxically, however, there is no summary document validated by ethnologists and specialized linguists that links the scientific names of the fish of this area to their vernacular names from the different language groups. In this paper, we compile the presently existing data on species and vernacular names collected over several decades in Creole, Amerindian (Kali’na,...

A short note on the terminal nerve in Callorhinchus milii (Callorhinchidae, Holocephali, Chondrichthyes)

Martin Licht & Peter Bartsch
Recently, the terminal nerve has been described for holocephalan fishes in more detail. But this nerve was described only in two species (Hydrolagus colliei and Chimaera monstrosa), which represent just the most derived family (Chimaeridae) of extant holocephalans. This study completes the former account and for the first time describes the nervus teminalis in a late embryonic elephant shark (Callorhinchus milii) on the basis of a serially sectioned specimen. The course of the terminal nerve...

Premier signalement de Pseudanthias bicolor (Serranidae) sur différents habitats artificiels à La Réunion

Mathieu Pinault, Julien Wickel, David Guyomard, Ronald Fricke & Jean-Pascal Quod
Malgré le nombre élevé d’études réalisées sur les peuplements ichtyologiques des zones récifales de l’île de la réunion au cours des quarante dernières années, l’anthias bicolore Pseudanthias bicolor (ran -dall, 1979), précédemment recensé à Maurice et aux Maldives dans l’océan indien, n’a jamais été observé sur les récifs coralliens de l’île. Deux spécimens de cette espèce ont été photographiés récemment sur des habitats artificiels lors de suivis scientifiques en plongée sous-marine. La présente étude, fondée...

The detection of weakly developed plicidentine in teleost teeth using 3D tomography

Damien Germain, Jorge Mondéjar-Fernández & François J. Meunier
The detection of weakly developed plicidentine in ground sections can be difficult, because these structures cannot always be resolved by analysing two-dimensional thin-sections. X-ray tomography followed by 3D virtual modelling allows the non-destructive study of the spatial morphology of these important structures. Here, we illustrate dentine folds in the pulp cavity of the teeth in three teleost fishes, Arapaima gigas (Osteoglossiformes), Hoplias aimara (Characiformes) and Lophius piscatorius (Lophiiformes), and add data from a lepisosteid, Lepisosteus...

Histology of ganoid scales from the early Late Cretaceous of the Kem Kem beds , SE Morocco : systematic and evolutionary implications

François J. Meunier, René-Paul Eustache, Didier Dutheil & Lionel Cavin
In 1963, N. Tabaste described disconnected fossil material from the Saharan Cenomanian site of Gara Tabroumit, and especially three sets of isolated scales that she all referred to the genus Lepidotes. Although the rhomboid shape and overall morphology of one set of scales allow regarding them as ganoid scales, the external aspect of the ganoine is not as regularly smooth and shiny as it is in most lepidosteoid scales commonly referred to ginglymodian (“semionotiform”) fishes....

Centrodraco fidelis (Draconettidae), a new deepwater dragonet species from the southern Loyalty Ridge, southwestern Pacific Ocean

Ronald Fricke
Centrodraco fidelis sp. nov. is described from three specimens, which were collected on the southern Loyalty Ridge (New Caledonian EEZ) during the oceanographic cruise EXBODI. The species is characterised by: 14 rays in the second dorsal fin; 13 rays in the anal fin; first dorsal fin with the second spine elongate and fila- mentous in the male; second dorsal fin very low, without filaments in the male; opercular spine 1.8-2.4 in subo- percular spine; body...

A new species of the Hoplias malabaricus species complex (Characiformes: Erythrinidae) from the La Plata River basin

Rosso J.J.; Mabragaña E.; González-Castro M.; Delpiani M.S.; Avigliano E.; Schenone N.; Díaz de Astarloa J.M.

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