Results 51 to 60 of about 42,740 (228)
Growth of annular zones in otoliths of brown trout from the alpine lakes Litlosvatn and Kollsvatn on western part of the Hardangervidda mountain plateau have been studied during the period 2004–2021, concurrent with recordings of accumulated snow in ...
Reidar Borgstrøm
doaj
New species of the genus Thrissops (Teleostei, Ichthyodectiformes) in the Upper Jurassic of the Solnhofen-Archipelago (Germany) and Kimmeridge Clay (England) [PDF]
Two new species of the poorly known genus Thrissops (Teleostei, Ichthyodectiformes) are described here in detail. Thrissops ettlingensis sp. nov.
Martin Ebert
doaj +3 more sources
Apletodon gabonensis, a new species of clingfish (Teleostei: Gobiesocidae) from Gabon, eastern Atlantic Ocean [PDF]
The clingfish Apletodon gabonensis sp. nov. is described on the basis of seven specimens and colour photographs from Gabon, eastern Atlantic Ocean. The species is small, apparently not exceeding 20 mm total length; it is characterized by having 5 dorsal ...
Fricke, Ronald, Wirtz, Peter
core
Hyphessobrycon nicolasi (Teleostei: Characidae) a new species from the Uruguay River basin in the Mesopotamian Region, Argentina [PDF]
Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Ríos, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe ...
Lopez, Hugo Luis +1 more
core +3 more sources
Abstract Knowledge on the ecology and life‐history traits of coastal marine species is vital to inform their conservation and management, especially as their coastal habitats come under increasing threats. However, such data have never been collated for four of the five families in the suborder Syngnathoidei—the close relatives of the better‐studied ...
Syd J. Ascione +3 more
wiley +1 more source
The precision of growth estimates based on fish scales often remains uncertain because of withinindividual variation in scale size and scale patterns, and also due to measurement errors.
Tormod Haraldstad +3 more
doaj +1 more source
Present distribution of the threatened killifish Aphanius fasciatus (Actinopterygii, Cyprinodontidae) in the Maltese Islands [PDF]
A survey of the nine localities from which the threatened Killifish Aphanius fasciatus has been recorded in the Maltese Islands showed that large and thriving populations exist at Salina, at the Simar and Ghadira bird sanctuaries and in reservoirs at ...
Arcidiacono, Isabella +3 more
core
Abstract Using DNA techniques for prey identification is an emerging approach for enhancing the precision and accuracy of trophic information. We evaluated the effectiveness of DNA‐based prey identification in conjunction with visual stomach content analysis of commercially important groundfish in the nearshore Gulf of Maine, with a focus on ...
Landon P. Falke +3 more
wiley +1 more source
Conteúdos estomacais de 688 exemplares de Isopisthus parvipinnis coletados na Baía de Santos (SP) (24º00'S, 46º21'W) entre junho/76 e abril/77 foram examinados.
Lucy Satiko Hashimoto Soares
doaj +1 more source
Environmental variables, habitat discontinuity and life history shaping the genetic structure of Pomatoschistus marmoratus [PDF]
Coastal lagoons are semi-isolated ecosystems exposed to wide fluctuations of environmental conditions and showing habitat fragmentation. These features may play an important role in separating species into different populations, even at small spatial
A Pérez-Ruzafa +119 more
core +3 more sources

