Stomach rinsing in rays

Article Abstract:

The thornback ray Raja clavata is able to 'rinse' its stomach by full gastric eversion. This may be a common way for fish to remove noxious material from the stomach. The oral eversion of the stomach is not hampered by mesenteric attachments of the gut to the body wall.

Physiological aspects, Fishes, Rays (Fishes)

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Scaling laws of marine predator search behaviour

Article Abstract:

Research conducted to explain the scaling laws associated with the marine predator search behaviour is presented. The marine predators are found to exhibit Levy-walk-like behaviour that gives rise to several fractal movement trajectories.

Analysis, Allometry, Predatory animals

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Homing is a breeze for sea turtles

Article Abstract:

Use of wind-borne cues by the migrating green turtles to find their way to Ascension Island is analyzed. The navigation feats of the marine green turtles help to study about their migratory behavior.

Science & research, Research, Animal migration, Green turtle, Green sea turtles

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