Results 101 to 110 of about 1,275 (210)

A status report on the Jack Mackerel tagging program [PDF]

, 1973
Methods and materials used to tag and recapture jack mackerel, Trachurus symmetricus, off the coast of southern California and Baja California, Mexico, are described.
Tasto, Robert N.
core  

Maturation and growth of jack mackerel, Trachurus symmetricus [PDF]

, 1975
Biological knowledge of jack mackerel is not extensive,and as yet no information on maturity or growth ratehas been documented. Analysis of fish caught in theSouthern California Bight indicates a spawning seasonfrom March through October.
Wine, Vickie L., Knaggs, Eric H.
core   +1 more source

Reproduction of the Blue Jack Mackerel, Trachurus picturatus, in Western Portugal: Microscopic Gonad Analysis Reveals Indeterminate Fecundity and Skipped Spawning Patterns. [PDF]

Zool Stud, 2022
Neves A, Sequeira V, Vieira AR, Silva E, Silva F, A B, Duarte AM, Mendes S, A B, Ganhão R, Assis C, Rebelo R, Magalhães F, Gil MM, Gordo LS.   +14 more
europepmc   +1 more source

Metazoan parasites of the jack mackerel

, 2014
The metazoa parasite fauna of the jack mackerel Trachurus murphyi Nichols 1920, obtained from seven ports from a latitudinal gradient of more than 30° (From Paita Peru: 05° 10' S to Talcahuano, Chile 36° 40' S) was quantitatively described. 21 species of
M.E. Oliva
core   +1 more source

Individual growth in Jack mackerel (Trachurus murphyi) of the Southeastern Pacific Ocean using sagitta otolith weight, daily rings, and annual rings

Gayana, 2021
We estimated the growth of Jack mackerel (Trachurus murphyi) using increments of daily growth, otolith weight and annual ring reading in sagittal otoliths.
Hugo Arancibia, Lilian Cisterna, Aquiles Sepúlveda   +2 more
doaj  

Relationships between environmental variables and spatial and temporal distribution of jack mackerel (Trachurus japonicus) in the Beibu Gulf, South China Sea. [PDF]

PeerJ, 2021
Feng Y, Shi H, Hou G, Zhao H, Dong C.
europepmc   +1 more source

Numerical Study on Evaluation of Environmental DNA Approach for Estimating Fish Abundance and Distribution in Semi-Enclosed Bay

Journal of Marine Science and Engineering
Despite efforts to use environmental DNA (eDNA), accurately quantifying fish populations remains a challenge. A recent eDNA approach provided reliable estimates of coastal fish population abundance, but it was not as effective for assessing spatial ...
Seongsik Park, Seokjin Yoon, Kyunghoi Kim   +2 more
doaj   +1 more source

Estimación de la talla media de madurez sexual en Trachurus murphyi mediante parámetros del consumo relativo de oxígeno Estimation of size at first maturity for Trachurus murphyi using relative oxygen consumption

Latin American Journal of Aquatic Research, 2010
Se usa un método alternativo para estimar la talla de madurez del jurel, que considera el consumo relativo de oxígeno en función del peso corporal y la constancia que ocurre en peces teleósteos entre el consumo relativo de oxígeno en la madurez y el ...
Luis Cubillos, Carolina Alarcón
doaj  

WHO CAN FISH WHAT AND WHERE: CHILE'S TRADEOFFS IN HIGH SEAS FISHING OF STRADDLING STOCKS

Chile has not yet ratified the U.N. 1995 Agreement on straddling/ highly migratory fish stocks. This paper discusses key economic issues at stake from the viewpoint of a coastal state with important stakes in a straddling stock. The Chilean jack mackerel
Pena-Torres, Julio, Basch, Michael, Serra, Rodolfo   +2 more
core  

Effects of Light on Schooling and Feeding of Jack Mackerel,Trachurus symmetricus

, 1968
Schools of six jack mackerel each were photographed with infrared film at eight levels of luminance and also in darkness. Three indices were used to measure the behavior of the school from motion pictures.
John R. Hunter
core   +1 more source