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.
어디서 언제 볼 수 있나
"상주종"은 해당 목적지에서 대부분의 다이빙 시 만날 수 있다는 뜻이고, "계절종"은 표기된 달에 안정적으로 출현한다는 뜻입니다. 그 외의 생물은 계획이 아닌 보너스로 여기세요.
| 목적지 | 신뢰도 | 월 | 참고 사항 |
|---|---|---|---|
| Socorro & the RevillagigedosMexico | Resident: seen on most dives | 연중 가능 | |
| Coral Sea & Osprey ReefAustralia | Resident: seen on most dives | 연중 가능 | |
| Mergui ArchipelagoMyanmar | Seasonal: reliable in season | Nov–Apr | |
| RangiroaFrench Polynesia | Occasional | 연중 가능 | |
| Kimbe BayPapua New Guinea | Occasional | 연중 가능 |
한눈에 보는 최적의 달
이해하기
서식지: Offshore banks, seamount flanks, and steep outer-reef drop-offs, typically deeper than its reef-shark relatives
범위: 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
행동 특성: 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.
먹이: Reef and pelagic fish, including smaller sharks and rays; frequently dominant over other species at a carcass or feed
크기: 보통 1.8 m; 최대 기록 수심 2.7 m (total length; a heavier, broader-shouldered build than the grey reef sharks it resembles).
이 생물 주변에서의 행동 요령
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.
보존
Assessed Vulnerable in 2020; isolated island populations show sharp declines wherever offshore fishing reaches, and recolonization between distant banks is slow.
관련 다이브 사이트 목록
강조 표시된 사이트는 편집팀이 해당 종에 대해 직접 등록한 곳이며, 숫자는 1990년 이후 사이트 기준 약 5km 이내에서 기록된 GBIF 출현 건수입니다.
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