Predation of baitfishes associated with whale sharks at Ningaloo Reef

Article Fisheries

The pressure drag reduction effect of tandem swimming by Caranx sexfasciatus and Rhincodon typus

Hiroaki Sumikawa et al.

Summary: It has been found that small fish swimming in front of large fish can swim more efficiently and reduce drag. This is mainly due to the stagnation point in front of the large fish reducing the pressure difference between the small fish's front and rear, leading to a decrease in drag coefficient. The relationship between distance and drag reduction effect in this tandem swimming scenario is different from previous studies due to variations in Reynolds number, body-length ratio, and dimensions of analysis.

ICHTHYOLOGICAL RESEARCH (2022)

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Article Biodiversity Conservation

Three-way symbiotic relationships in whale sharks

Bradley M. Norman et al.

Summary: Symbiotic relationships between the endangered whale shark and echeneids (remoras and sharksuckers) are complex and can be described as mutualism. The sharksuckers benefit from gaining food from the host's parasites and free transportation to foraging areas, where they can also feed on prey targeted by the whale shark. The relationship between the whale shark and copepod is also complex, with parasitic characteristics and possible commensal or mutualistic interactions.

PACIFIC CONSERVATION BIOLOGY (2022)

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Article Environmental Sciences

Population structure, residency, and abundance of whale sharks in the coastal waters off Nosy Be, north-western Madagascar

Stella Diamant et al.

Summary: Research shows that Nosy Be waters are crucial for juvenile whale sharks, but the existing protected areas do not cover all of their preferred habitat. National species-level protection and increased spatial management are needed to ensure the continued presence of whale sharks in this region.

AQUATIC CONSERVATION-MARINE AND FRESHWATER ECOSYSTEMS (2021)

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Article Environmental Sciences