Results 1 to 10 of about 171 (128)

Trends and variability in local abundances of sailfish Istiophorus platypterus in Pacific waters of Costa Rica: Controls and effects on recreational fisheries

open access: yesFrontiers in Marine Science, 2023
Fishing tourism represents a vital industry in Costa Rica, generating over US$520 million and attracting 150,000 tourists every year. The main objective of this study is to examine trends and variability in local abundances of sailfish Istiophorus ...
Johel Chaves-Campos
exaly   +3 more sources

Acoustic predation in a sailfish-flying fish cloak

open access: yesScientific Reports, 2023
When a sailfish circles to corral a school of flying fish in a vortex near the ocean surface, a tiny patch of arced surface waves confined to oppositely placed 70° sectors appears dispersing coherently, but why?
Promode R. Bandyopadhyay
doaj   +3 more sources

Accelerating sailfish optimization applied to unconstrained optimization problems on graphical processing unit

open access: yesEngineering Science and Technology, an International Journal, 2022
The Sailfish Optimizer (SFO) is a metaheuristic algorithm inspired by a group of hunting sailfish that alternates their attacks on group of prey. The SFO algorithm takes advantage of using a simple method for providing the dynamic balance between ...
Soodeh Shadravan   +1 more
exaly   +3 more sources

Multi-Strategy Sailfish Optimizer: Novel Algorithm with Dynamic Sardine Population and Improved Search Technique for Efficient Robot Path Planning

open access: yesMachines
The sailfish optimizer is a recent swarm-intelligence-based optimization algorithm which mimics the hunting behavior of sailfish in the ocean. It consists of two types of populations, namely, sailfish and sardine, where sailfish represent the candidate ...
Răzvan Cristian Voicu   +2 more
exaly   +3 more sources

BILLFISH CATCHES FROM OCEANIC RECREATIONAL FISHING IN THE ROYAL CHARLOTTE BANK, BAHIA, BRAZIL

open access: yesBoletim do Instituto de Pesca, 2021
The aim of this study was to analyze the oceanic recreational fishing in the Royal Charlotte Bank, state of Bahia, Brazil. Only data from an oceanic recreational fishing operator based in the municipality of Canavieiras, southern Bahia, were used, from ...
Camila PRIMITIVO   +2 more
doaj   +3 more sources

Hunting behavior of a solitary sailfish Istiophorus platypterus and estimated energy gain after prey capture

open access: yesScientific Reports, 2023
Foraging behavior and interaction with prey is an integral component of the ecological niche of predators but is inherently difficult to observe for highly mobile animals in the marine environment.
Ryan K. Logan   +4 more
doaj   +1 more source

The complete mitochondrial genome of the Capsaloides cristatus (Platyhelminthes, Monogenea), a pathogen of the sailfish (Istiophorus platypterus)

open access: yesMitochondrial DNA. Part B. Resources, 2021
This study reports the complete mitochondrial genome of the Capsaloides cristatus (Monogenea: Capsalidae) collected from the gill lamella of Istiophorus platypterus.
Changping Yang   +6 more
doaj   +1 more source

Proportions of Atlantic sailfish (Istiophorus platypterus) and spearfish (Tetrapturus pfluegeri) caught in tuna longline fisheries

open access: yesInternational Aquatic Research, 2016
The reliability of estimations of catches of pelagic longline fisheries is especially worrying in the case of non-target species such as the sailfish (Istiophorus platypterus) and spearfish (Tetrapturus pfluegeri), because they are often recorded ...
Renata Maria Medeiros-Silva   +1 more
doaj   +1 more source

Maximum swimming speeds of sailfish and three other large marine predatory fish species based on muscle contraction time and stride length: a myth revisited

open access: yesBiology Open, 2016
Billfishes are considered to be among the fastest swimmers in the oceans. Previous studies have estimated maximum speed of sailfish and black marlin at around 35 m s−1 but theoretical work on cavitation predicts that such extreme speed is unlikely.
Morten B. S. Svendsen   +10 more
doaj   +1 more source

K-means Hybrid Iterative Clustering Based on Memory Transfer Sailfish Optimization

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Aimed at the problem that the existing K-means clustering (KMC) algorithm is greatly affected by initialization, and the randomly generated clustering center can easily make the clustering result fall into local optimum and stop iterating, resulting in ...
HUANG He, XIONG Wu, WU Kun, WANG Huifeng, RU Feng, WANG Jun
doaj   +1 more source

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