Sharks
Silky Shark
Carcharhinus falciformis · Cartilaginous fish — family Carcharhinidae
Silkies are the open ocean's welcoming committee. Hang beneath a liveaboard at Daedalus or in Cuba's Jardines de la Reina and they appear from nowhere — slender, bronze-backed sharks with long tail lobes, carving smooth circles a fin's length away. Few species close distance so readily, and few wear their curiosity so plainly; a safety stop can turn into twenty minutes of orbiting escort. They are also among the most heavily fished sharks on Earth, hauled up in vast numbers on tuna longlines and purse seines, which makes the confident crowds at protected seamounts feel like dispatches from an older ocean.
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 |
|---|---|---|---|
| Cocos IslandCosta Rica | Resident — seen on most dives | साल भर | |
| Socorro & the RevillagigedosMexico | Resident — seen on most dives | साल भर | |
| Jardines de la ReinaCuba | Resident — seen on most dives | साल भर | |
| MalpeloColombia | Resident — seen on most dives | साल भर | |
| Brothers, Daedalus & St John'sEgypt | Seasonal — reliable in season | May–Oct |
एक नज़र में सर्वश्रेष्ठ महीना
इन्हें समझना
आवास: Warm open ocean over deep water; gathers around seamounts, offshore reefs, drifting objects, and anchored boats
रेंज: Circumtropical — one of the most abundant large sharks of the world's warm offshore waters, from the Caribbean and Eastern Pacific to the Red Sea and central Pacific
व्यवहार: Fast, sleek, and inquisitive, named for the fine, smooth texture of its skin. Silkies materialize around boats and safety stops in open water, circling divers closely and persistently, especially toward dusk. Around baitballs they switch to quick, slashing runs.
आहार: Schooling fish such as tuna and mackerel, plus squid; often follows baitballs and tuna schools
आकार: आमतौर पर लगभग 2.2 m; दर्ज अधिकतम गहराई 3.3 m (total length).
इसके आसपास कैसे व्यवहार करें
Keep the group compact during drifting safety stops, avoid low-light surface swims where silkies are working bait, and never spearfish from a liveaboard mooring they patrol.
संरक्षण
Vulnerable and declining — silkies are the most common shark in the global fin trade and dominate tuna-fishery bycatch. CITES Appendix II listing now regulates international trade.
इनके लिए जाने-जाने वाले चार्टेड साइट
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वीडियो उनके निर्माताओं के अपने चैनलों के एम्बेडेड लिंक हैं — हम कुछ होस्ट नहीं करते और सब का क्रेडिट देते हैं।