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2 clusters · 4 sources · 8 days · First seen · Last updated
Giant manta ray behavior and conservation
Overview
Research published in Frontiers in Fish Science indicates that juvenile giant manta rays in Central America use shallow coastal waters as refuges to avoid predators like sharks and orcas. Tracking data from 2018 to 2025 shows that these pups remain in these food-rich areas until they reach a protective size. Upon maturing, the rays transition to long-distance migrations along the continental shelf break, which exposes them to risks such as vessel strikes and industrial fisheries.
In a separate incident in Arraial do Cabo, Rio de Janeiro, a large manta ray of the genus Mobula was accidentally caught in a fishing net. Local fishermen and beachgoers assisted in freeing the animal, which appeared to swim away without visible injuries. Marine biologists noted that local upwelling processes bring nutrient-rich waters to the surface in this region, supporting the marine food chain.
Entities
Larissa Gouvêa Paiva · Rio de Janeiro · State University of Rio de Janeiro · Arraial do Cabo · Central America
Timeline
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[CULTURE] 4 sourcesGiant manta ray rescued from fishing net in Arraial do Cabo
Fishermen and beachgoers in Arraial do Cabo, Brazil, successfully rescued a giant manta ray that became entangled in a fishing net before returning it to the sea.
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[CULTURE] 2 sourcesGiant manta ray pups use coastal refuges to avoid predators
Research shows giant manta ray pups in Central America stay in shallow coastal waters to avoid predators like sharks and orcas before migrating to the open ocean as adults.
Sources
ilheuseventos.com.br · sbtnews.sbt.com.br · tnh1.com.br · ultimosegundo.ig.com.br