Sharks
Grey Reef Shark
Carcharhinus amblyrhynchos · Cartilaginous fish — family Carcharhinidae
Grey reef sharks are the metronome of a healthy atoll pass: compact, counter-shaded, white-edged tail flicking as they hold station in ripping current, waiting on the tide. Drift into a Fakarava or Palau channel on the incoming flow and the school materializes ahead of you — first ten, then fifty, then a wall of gray bodies layered from the coral to the surface. They are more assertive than their blacktip and whitetip neighbors and enforce personal space with a famous arched-back display, one of the clearest pieces of body language in the shark world. Their abundance on protected atolls masks steep losses on fished reefs.
इसे कहाँ और कब देखें
"निवासी" का अर्थ है कि उस गंतव्य पर अधिकांश डाइव्स में उनसे मुलाकात होती है; "मौसमी" का अर्थ है कि वे सूचीबद्ध महीनों में विश्वसनीय रूप से मौजूद रहते हैं; इसके अलावा जो भी मिले वह बोनस है, योजना नहीं।
| गंतव्य | विश्वसनीयता | माह | नोट्स |
|---|---|---|---|
| PalauPalau | Resident — seen on most dives | साल भर | |
| North & South Malé AtollsMaldives | Resident — seen on most dives | साल भर | |
| Tubbataha ReefsPhilippines | Resident — seen on most dives | Mar–Jun | |
| FakaravaFrench Polynesia | Resident — seen on most dives | Jun–Jul | |
| RangiroaFrench Polynesia | Resident — seen on most dives | साल भर | |
| Coral Sea & Osprey ReefAustralia | Resident — seen on most dives | साल भर |
एक नज़र में सर्वश्रेष्ठ महीना
इन्हें समझना
आवास: Current-swept passes, channel mouths, and outer-reef drop-offs; hangs in the flow where baitfish concentrate
रेंज: Indo-Pacific — Red Sea and East Africa through the Maldives, Southeast Asia, and Micronesia to the central Pacific atolls
व्यवहार: The channel specialist. Greys stack in current like kites on strings, holding formation off atoll passes by the dozen or, at Fakarava, by the hundred. When genuinely cornered the species performs a distinctive agonistic display — back arched, pectorals dropped, exaggerated swimming — which is a clear instruction to back away slowly.
आहार: Reef fish, squid, and octopus, mostly hunted at night or in pass currents
आकार: आमतौर पर लगभग 1.5 m; दर्ज अधिकतम गहराई 1.9 m (total length).
इसके आसपास कैसे व्यवहार करें
Hook in or hold position at the pass edge rather than drifting into the school's core, keep out of the current line the sharks are working, never chase a displaying animal for a photo, and follow local rules on reef hooks.
संरक्षण
Assessed Endangered in 2020; strong site fidelity makes populations easy to fish out and slow to recolonize. Large no-take atolls in French Polynesia, Palau, and the Coral Sea now hold a disproportionate share of the species.
इनके लिए जाने-जाने वाले चार्टेड साइट
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