Results 21 to 30 of about 4,207 (218)

A taste of the deep-sea: The roles of gustatory and tactile searching behaviour in the grenadier fish Coryphaenoides armatus [PDF]

open access: yes, 2007
The deep-sea grenadier fishes (Coryphaenoides spp.) are among the dominant predators and scavengers in the ocean basins that cover much of Earth's surface. Baited camera experiments were used to study the behaviour of these fishes.
Alan J. Jamieson   +40 more
core   +1 more source

DNA barcode authentication reveals highly fraudulent Cod commerce in Porto Alegre, Brazil

open access: yesForensic Science International: Reports, 2020
Through the DNA barcoding technique using the cytochrome oxidase subunit I (coI) mitochondrial gene, a high degree of fraudulent commerce of Cod (Bacalhau in Portuguese) was detected in the city of Porto Alegre, Brazil.
Bárbara B. Calegari   +3 more
doaj   +1 more source

Secondary sexual characteristics in codfishes (Gadidae) in relation to sound production, habitat use, and social behaviour [PDF]

open access: yes, 2012
Little is known about the reproductive biology of the codfishes (Gadidae). Lacking direct observations, the study of secondary sexual characteristics can provide cues to their reproductive biology and behaviour.
Heino, M.   +2 more
core   +1 more source

What goes in, must come out:combining scat-based molecular diet analysis and quantification of ingested microplastics in a marine top predator [PDF]

open access: yes, 2019
Context: Microplastics (plastic particles <5 mm in size) are highly available for ingestion by a wide range of organisms, either through direct consumption or indirectly, via trophic transfer, from prey to predator.
Bennett, Kimberley A.   +6 more
core   +4 more sources

Allozymic variation in Mediterranean hakeMerluccius merluccius(Gadidae) [PDF]

open access: yesItalian Journal of Zoology, 1998
Abstract Four hundred and twenty individual hake from 10 sample sites in the Mediterranean Sea were analysed in order to study genetic variability and identify genetic stock structure. Twenty loci were identified, four of which were polymorphic at the 95% level: ADH*, PGI‐1*, PGI‐2* and SOD‐1*.
LO BRUTTO, Sabrina   +5 more
openaire   +1 more source

Agonistic behaviour and sound production in Gaidropsarus mediterraneus, (Gadidae) [PDF]

open access: yesJournal of Fish Biology, 1996
Agonistic behaviour and sound production were described for captive Gaidropsarus mediterraneus, a shore‐dwelling gadoid. Thump‐like sounds were produced during agonistic interactions, which involved disputes over access to shelter sites.
Almada, Vítor Carvalho   +5 more
openaire   +2 more sources

Desenvolvimento dos ovócitos em Harengula clupeola, Urophycis brasiliensis, Eucinostomus argenteus, Isopisthus parvipinnis e Menticirrhus americanus (Teleostei) Oogenesis in Harengula clupeola, Urophycis brasiliensis, Eucinostomus argenteus, Isopisthus parvipinnis and Menticirrhus americanus (Teleostei)

open access: yesBrazilian Journal of Oceanography, 1989
Foram descritas histologicamente, em cinco espécies de teleósteos do litoral de São Paulo, as fases ovocitárias envolvidas no processo de maturação ovariana.
Paulo de Tarso da Cunha Chaves
doaj   +1 more source

The Mediterranean and Black Sea STECF Stock Assessment Database [PDF]

open access: yes, 2018
Since 2007, the Scientific Technical Economic Committee for Fisheries (STECF), for which Joint Research Centre (JRC) runs the Secretariat and all the data collection process, started collecting and organizing information on Mediterranean and Black Sea ...
GIBIN MAURIZIO   +4 more
core   +2 more sources

Food and feeding habits of king weakfish, Macrodon ancylodon (Bloch & Schneider, 1801) caught in the southern coast of Brazil (lat, 29º to 32ºs)

open access: yesBrazilian Journal of Oceanography, 1985
Macrodon ancylodon was obtained from landings in Santos Port (São Paulo State) of fish caught monthly by commercial vessels, on the southern coast of Brazil during September 1976 to August 1977.
Anastácio Afonso Juras   +1 more
doaj   +1 more source

Estimating Global Catches of Marine Recreational Fisheries

open access: yesFrontiers in Marine Science, 2020
Commercial fisheries catches by country are documented since 1950 by the Food and Agriculture Organization (FAO). Unfortunately, this does not hold for marine recreational catches, of which only few, if any, estimates are reported to FAO.
Kátia Meirelles Felizola Freire   +16 more
doaj   +1 more source

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