Sharks
Silvertip Shark
Carcharhinus albimarginatus · Cartilaginous fish — family Carcharhinidae
A silvertip's arrival changes the temperature of a dive. The shape reads at distance — heavier than a grey reef shark, every fin edged in white as if dipped in paint — and the approach is pure confidence, a straight line ending in a slow bank a meter or two away. They own the deep edges of remote reefs: Osprey's North Horn, the Burma Banks, the seamounts of the Revillagigedos. Encounters feel like an audience granted rather than a sighting achieved. Slow to mature and faithful to isolated sites, silvertips vanish quickly when longlines find their banks, so the remaining strongholds sit mostly inside marine parks and far from ports.
Где и когда увидеть
«Постоянные» — значит, большинство погружений в этом месте позволяет встретить их; «сезонные» — значит, они стабильно присутствуют в указанные месяцы; всё остальное — приятный бонус, а не повод строить планы.
| Направление | Достоверность | Месяцы | Примечания |
|---|---|---|---|
| Socorro & the RevillagigedosMexico | Resident — seen on most dives | Круглый год | |
| Coral Sea & Osprey ReefAustralia | Resident — seen on most dives | Круглый год | |
| Mergui ArchipelagoMyanmar | Seasonal — reliable in season | Nov–Apr | |
| RangiroaFrench Polynesia | Occasional | Круглый год | |
| Kimbe BayPapua New Guinea | Occasional | Круглый год |
Лучший месяц — коротко
Как их понять
Среда обитания: Offshore banks, seamount flanks, and steep outer-reef drop-offs, typically deeper than its reef-shark relatives
Ареал: Patchy across the tropical Indo-Pacific and Eastern Pacific — East Africa, the Andaman Sea, Indonesia, Papua New Guinea, the Coral Sea, French Polynesia, and offshore Mexico and Colombia
Поведение: The boss of the drop-off. Silvertips carry themselves with a directness that greys and blacktips lack, approaching divers head-on for a close inspection pass before resuming patrol. Every fin wears a brilliant white margin, unmistakable when the animal banks in the blue.
Рацион питания: Reef and pelagic fish, including smaller sharks and rays; frequently dominant over other species at a carcass or feed
Размер: как правило, около 1.8 m; задокументировано до 2.7 m (total length; a heavier, broader-shouldered build than the grey reef sharks it resembles).
Как вести себя рядом с ним
Meet the head-on approach calmly without retreating mid-pass, stay off the bait line at feeds, and keep gauges and hoses clipped tight — silvertips are known to test dangling objects.
Охрана природы
Assessed Vulnerable in 2020; isolated island populations show sharp declines wherever offshore fishing reaches, and recolonization between distant banks is slow.
Известные места на карте
Смотреть
Из официальных источников
Best Places to Dive with Whale Sharks
Outrageously Tiny Fish
Sink or Swim? with Monét X Change | Monterey Bay Aquarium
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