Results 11 to 20 of about 4,405 (230)

Filogenia de los bagres marinos (Siluriformes: Ariidae) del nuevo mundo

open access: yesActa Biológica Colombiana, 2004
La familia Ariidae comprende peces marinos, estuarinos y dulceacuícolas, distribuidos en aguas tropicales y subtropicales de todos los continentes.
Ricardo Betancur Rodríguez   +1 more
doaj   +1 more source

Use of Citizen Science to Determine Prey Partitioning Between Two Coastal Raptors. [PDF]

open access: yesEcol Evol
In Australia, Eastern Osprey (Pandion haliaetus cristatus) and White‐bellied Sea‐Eagle (Haliaeetus leucogaster) occupy the same ecological niche and are suspected of partitioning prey resources. This study investigated this through evaluating the breadth, overlap and partitioning of diets recorded from social media posts.
Biggs L   +7 more
europepmc   +2 more sources

Biologia reprodutiva de Hexanematichthys proops (Siluriformes, Ariidae) no litoral ocidental maranhense Reproductive biology of Hexanematichthys proops (Siluriforme, Ariidae) in the western coast of Maranhão

open access: yesIheringia: Série Zoologia, 2007
Objetivou-se investigar a influência dos índices gonadais e nutricionais sobre a biologia reprodutiva de Hexanematichthys proops (Valenciennes, 1840) (Siluriformes, Ariidae) na costa ocidental do Maranhão entre julho de 2001 e julho de 2002.
Geuza Cantanhêde   +2 more
doaj   +2 more sources

Early Biogeography of Otophysi Points to the Neotropics as the Cradle of Characiphysan Fishes. [PDF]

open access: yesEcol Evol
Otophysan fishes represent 70% of living freshwater fishes with 12,000 species. Relationships among their four orders were explored through a dense taxonomic sampling including 529 complete mitochondrial genomes and 4 nuclear genes for 324 species.
Lenglin A   +9 more
europepmc   +2 more sources

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance. [PDF]

open access: yesFood Sci Nutr
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Gloria MBA   +6 more
europepmc   +2 more sources

Contenido estomacal del bagre lisa (Ariopsis guatemalensis Günther, 1864) en el Estero Salado de Guayaquil, Ecuador

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2021
Los estudios sobre ecología trófica permiten comprender las funciones que cumplen las especies y el impacto que podría tener su desaparición o disminución en el ecosistema.
Danilo Bejarano-Zambrano, Antonio Torres
doaj   +1 more source

Actively soniferous tropical reef fishes are diverse, vulnerable, and valuable. [PDF]

open access: yesJ Fish Biol
Abstract Active (i.e., intentional) fish sound production provides informative cues for numerous ecological functions, including larval recruitment or reproduction, and can facilitate monitoring and restoration. It is therefore important to have a holistic picture of actively soniferous tropical reef fish diversity, particularly in the face of growing ...
Hodson EJ, Cox K, Juanes F, Looby A.
europepmc   +2 more sources

Assessment of a Social Media-Based Method for Determining Raptor Diet. [PDF]

open access: yesEcol Evol
This study mined social media as a citizen science method to reduce the time burden and biases associated with recording accurate diet information for predators. In total, 1985 prey observations were recorded of two Australian coastal raptors and were used to produce diet profiles that were compared by region, social media platform, and against other ...
Biggs L   +7 more
europepmc   +2 more sources

Taxonomic and Otolith Shape Parameters of Nine Sympatric Catfishes Commercially Harvested in Pakistan

open access: yesCroatian Journal of Fisheries, 2023
Accurate reorganization of harvested species is essential for appropriate fisheries monitoring but often unnoticed. In this study, an attempt was made to provide an accurate species description based on fish taxonomy and otolith shape parameters of nine ...
Farooq Noureen, Panhwar Sher Khan
doaj   +1 more source

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