Results 21 to 30 of about 2,500 (211)

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

Lista comentada de la ictiofauna del estuario del río Mulegé, golfo de California, México

open access: yesRevista Mexicana de Biodiversidad, 2021
El río Mulegé constituye uno de los 2 únicos ecosistemas estuarinos de la vertiente occidental del golfo de California. Debido a la escasez de estudios ícticos en este ecosistema, en este trabajo se realizó un inventario de su ictiofauna sustentado con ...
Adrián F. González-Acosta   +3 more
doaj   +1 more source

Revisión de Aristocleidus (Monogenoidea: Dactylogyridae), redescripción de Aristocleidus hastatus y descripción de Aristocleidus lamothei n. sp. de la mojarra peruana Diapterus peruvianus (Teleostei: Gerreidae) en México

open access: yesRevista Mexicana de Biodiversidad, 2008
SE COMPLETA LA DESCRIPCIÓN DE ARISTOCLEIDUS MUELLER, 1936 CON BASE EN 2 EJEMPLARES RECOLECTADOS DE LAS BRANQUIAS DE LA MOJARRA PERUANA, DIAPTERUS PERUVIANUS (GERREIDAE), DE UNA LAGUNA SITUADA EN LA COSTA DEL PACÍFICO DE MÉXICO.
J.J. LUNA RUÍZ, EDGAR F. MENDOZA FRANCO
doaj   +1 more source

Sagittal otoliths description of Perciformes from Southeastern-South Brazil

open access: yesFrontiers in Marine Science, 2015
The Collection of Teleostei Fish Otoliths of the Southeastern-Southern of Brazil (COSS-Brasil) headquartered at the Oceanographic Institute, (IOUSP) contains 65 species of Perciformes included in 30 families.
César Santificetur
doaj   +1 more source

The ecological basis of fishery yield of the Puerto Rico-Virgin Islands Insular Shelf: 1987 Assessment [PDF]

open access: yes, 2006
A literature review was conducted to locate information on the flow of energy from primary producers to the fishery stocks of the Puerto Rican-Virgin Islands insular shelf.
Browder, Joan A., Jacobsen, Terri
core  

The paradox of mosquito net fishing: Complex socio‐ecological trade‐offs in southwestern Madagascar

open access: yesPeople and Nature, EarlyView.
Abstract Small‐scale fisheries are vital for the livelihoods, nutrition and well‐being of millions of people in coastal regions. In many parts of the Global South, rising poverty, limited alternatives and declining resources have driven the spread of mosquito net fishing (MNF), a non‐selective practice using repurposed health‐distributed nets.
Francéline Marie Rasoanirina   +6 more
wiley   +1 more source

Seasonal variability in ichthyoplankton abundance and assemblage composition in the northern Gulf of Mexico off Alabama [PDF]

open access: yes, 2010
Multiyear ichthyoplankton surveys used to monitor larval fish seasonality, abundance, and assemblage structure can provide early indicators of regional ecosystem changes.
Graham, William M.   +2 more
core   +1 more source

Food resources of Eucinostomus (Perciformes: Gerreidae) in a hyperhaline lagoon: Yucatan Peninsula, Mexico [PDF]

open access: yesRevista de biología marina y oceanografía, 2016
La alta salinidad de las lagunas hiperhalinas las convierte en habitats extremos para los organismos acuaticos, poniendo presion sobre sus adaptaciones fisiologicas especiales. Gerreidae es una familia de peces de amplia distribucion y abundancia en las lagunas costeras, muy importantes para la funcion del ecosistema y las pesquerias.
Chi-Espínola, Ariel Adriano   +1 more
openaire   +2 more sources

Biochemical Responses of Anopheles spp. Larvae to a Novel Brazilian BR101 Bacillus thuringiensis var. israelensis Formulation: Oxidative Stress, Detoxification Enzymes, and Safety for Nontarget Notonectidae and Gerridae Aquatic Insects

open access: yesChemistry &Biodiversity, Volume 23, Issue 2, February 2026.
Bti BR101 exhibits strong larvicidal activity against Anopheles larvae spp., with dose‐dependent mortality and LC50 of 3.13 µg/mL. Bti increases ROS, lipid and protein oxidation, and activates antioxidant enzymes (SOD, CAT, GPx) and detoxification pathways (MFO and esterases), indicating moderate oxidative stress.
Izabel Cristina de Oliveira Bentes   +14 more
wiley   +1 more source

Diet composition of fish species from the southern continental shelf of Colombia [PDF]

open access: yes, 2002
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core  

Home - About - Disclaimer - Privacy