Great white wintering aggregation in Gulf of Mexico (OCEARCH tagging)
Key Questions
What tagging efforts has OCEARCH conducted for great white sharks?
OCEARCH has tagged 92 great white sharks, with 57 tagged in the Pulley Ridge area of the Gulf of Mexico. These efforts focus on tracking wintering aggregations and movements influenced by environmental changes.
How is El Niño affecting great white sharks along the West Coast?
El Niño conditions, declared with record ocean temperatures, have caused a surge in Southern California great white sightings and shifts toward British Columbia waters. Marine heatwaves have also prompted early births and triggered a drift gillnet closure in the Pacific.
What new documentary evidence shows great white shark behavior?
A new documentary from Andy Casagrande provides visual evidence of apex predator activities, including exploitation of kelp forests. It complements recent short videos warning of increased great white presence in California.
How do orcas influence great white shark populations?
Orcas are shown hunting sharks in Patagonia beaching videos and other documentaries, supporting patterns of orca-driven displacement. This reinforces observations of sharks shifting ranges due to predation pressure.
What recent sightings indicate great white sharks in unexpected areas?
A fisherman on Nantucket caught, de-hooked, and released a great white, adding anecdotal evidence of East Coast movements. First underwater footage of a great white in the Mediterranean also highlights knowledge gaps in their distribution.
OCEARCH 92 great whites/57 Pulley; SoCal GW surge/El Niño early births; West Coast MHW alarms with GW shifting to BC waters; Pacific MHW triggers drift gillnet closure. Great whites exploiting kelp forests; Patagonia orca beaching hunting video; sharks as hurricane sensors. Fourth global coral bleaching event ended; grey reef sharks abandoned Chagos reefs during El Niño. First underwater footage of great white in Mediterranean. FIU study shows fishing bans insufficient when prey overfished and reefs degrade. El Niño declared with record ocean temps. Mediterranean great white mystery article reinforces knowledge gap. Multiple orca predation documentaries reinforce orca-driven displacement. Recent Nantucket encounter stories add anecdotal evidence. Today's short video warns of great white surge in California. New great white documentary from Andy Casagrande adds visual evidence.