Ocean Predator Watch

Confirmed deep-shelf shark sighting in Antarctic waters + Israel nursery

Confirmed deep-shelf shark sighting in Antarctic waters + Israel nursery

Key Questions

What historic shark footage was captured in Antarctic waters?

A sleeper shark was filmed for the first time at 500m depth on the Antarctic Peninsula. A goblin shark jaw was also noted, marking deep-shelf presences.

What shark hotspot was discovered off Tel Aviv?

Hundreds of deep-sea sharks and eggs form a major nursery off Israel's coast. This is the largest concentration of deep-water sharks recorded there.

How old was the tagged Greenland shark?

A Greenland shark aged 392-512 years was tagged, with radiocarbon dating confirming it as one of the oldest vertebrates, wandering since around 1627.

What thriving shark population was reported on the U.S. Atlantic Coast?

Sandbar sharks (Carcharhinus plumbeus) are thriving, with NC strandings data and hotline monitoring. Sightings of dead sharks on beaches aided research.

What social behaviors were observed in bull sharks?

Fiji bull sharks form lasting bonds and choose companions. Studies show they exhibit social structures beyond solitary hunting.

What conservation efforts for sharks were highlighted?

Thailand rewilded endangered leopard sharks; CMS protected hammerheads +39 species. FIU resilience studies and CSIRO deep-sea work, plus Norpatagonia scientist-fisherman unions, advance efforts.

What new species discoveries involved sharks?

Over 110 new species off Australia included a 'ghost shark' breeding site. Hammerheads show 'thermal hustle' for hunting across temperature swings via biologging.

What other deep-sea shark findings were noted?

Deep hotspots in Tel Aviv, Antarctic sleeper/goblin, Greenland longevity, and ghost shark breeding. Articles preview shark expert lectures and UN protections for hammerheads, cheetahs, others.

Antarctic sleeper shark filmed (Peninsula, 500m first-ever footage); goblin jaw. Tel Aviv deep-sea hotspot (100s/eggs); sandbar Atlantic thriving (+NC strandings data/hotline); Greenland shark 392-512yr tagged (radiocarbon max age); Fiji bulls social; CSIRO deep; Ghost Shark breeding; CMS hammers +39 spp; FIU resilience; Thailand leopard rewilding.

Sources (19)
Updated Apr 8, 2026