Results 81 to 90 of about 1,948 (296)

Genetic Population Structure of Lane Snapper Lutjanus synagris (Linnaeus, 1758) in Western Atlantic: Implications for Conservation

open access: yesDiversity
Genetic structure and connectivity information can be used to identify biological corridors and prioritize the conservation of areas that help maintain ecosystem integrity.
Mayra Núñez-Vallecillo   +4 more
doaj   +1 more source

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

open access: yesAdvanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska   +2 more
wiley   +1 more source

Studies on the biology of the parasitic isopod Cymothoa exigua Schioedte and Meinert, 1884 and it's relationship with the snapper Lutjanus peru (Pisces: Lutjanidae) Nichols and Murphy, 1922, from commercial catch in Michoacan

open access: yesCiencias Marinas, 1992
From commercial catch of the Michoacan fishery, samples of the snapper Lutjanus penu were examined monthly (January to December 1984) for isopod parasites.
A Ruiz-L, J Madrid-V
doaj   +1 more source

Echinoderm‐Inspired Autonomy for Soft‐Legged Robots

open access: yesAdvanced Robotics Research, EarlyView.
Inspired by echinoderms, a modular soft robot achieves autonomous phototaxis without a central controller or explicit communication. Each limb independently adapts its actuation timing through local sensing and short‐term memory. Coordination emerges purely from physical interactions, demonstrating resilience to changes in morphology, environment, and ...
Harmannus A. H. Schomaker   +2 more
wiley   +1 more source

Biology, fisheries and culture of tropical groupers and snappers [PDF]

open access: yes
Groupers and snappers are important fishery resources of the tropics and subtropics, where their high values have caused most of their stocks to be heavily exploited, some even to the point of collapse.
Pauly, D. (eds.)   +3 more
core  

A Caribbean-wide survey of marine reserves: spatial coverage and attributes of effectiveness [PDF]

open access: yes, 2003
Fully-protected marine reserves can function at several spatial scales, from a single area encompassing few habitats, to local networks of many habitats, to large-scale networks connected by larval dispersal.
Lindeman, Kenyon C.   +3 more
core   +1 more source

Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations

open access: yesAdvanced Robotics Research, EarlyView.
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley   +1 more source

Heavy landings of snappers at Mumbai with notes on the biology of Lutjanus argentimaculatus (Forsskal, 1975) and Lutjanus johnii (Bloch,1792) [PDF]

open access: yes, 2011
Snappers are considered valuable seafood delicacy and enjoy great demand in international market. Snapper landings in Maharashtra have increased over a period of time.
Khandagale, P A   +2 more
core  

Analysis of water samples of Ester, Internal Olefins and Linear Alpha Olefins based SBMs and Negative Control treatments in which juvenile pink snappers were exposed.

open access: yes, 2013
Analysis of water samples of Ester, Internal Olefins and Linear Alpha Olefins based SBMs and Negative Control treatments in which juvenile pink snappers were exposed.
Marthe Monique Gagnon (435504)   +1 more
core   +1 more source

A Soft Robotic Fish With a Dielectric Elastomer Actuator Body and Negative Stiffness Spine

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces a bio‐mimetic soft robotic fish driven by fiber‐reinforced dielectric elastomer actuators integrated as its body. By prestretching this active skin against a flexible spine, a negative stiffness system is created, enabling large‐amplitude bending.
Markus Koenigsdorff   +4 more
wiley   +1 more source

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