The shark, abundant offshore and inshore, is oceanic, epipelagic and littoral. HABITATThe shark is found near edges of continental and insular shelves as well as the open sea. The maximum recorded length of this shark is 158 centimeters. In the western north Atlantic, females mate in the late spring (May-June), and give birth in the same time period, but in the next year, meaning that the gestation period lasts 12 months. Several shark species display this behaviour in situations dealing with the territory, mates, and predators. The number of pups per litter is 6-14 in the western Atlantic, 9-12 in the eastern Atlantic, 9-14 in the western Indian Ocean, and 2-11 in the central Indian. Short, shallow furrows are present at the corners of the mouth. One of the larger members of its genus, the silky shark commonly reaches a length of 2.5 m (8.2 ft), with a maximum recorded length and weight of 3.5 m (11 ft) and 346 kg (763 lb) respectively. Males mature when they are about 6 or 7 years of age and attain a length of 6.1 to 7.1 ft [1.87 to 2.18 m] and may reach a length of 9.8 ft [3 m]. Scientific Name: Carcharhinus Falciformis Length: Maximum length for this species is 3.3 m (10 ft).Males mature at 215-230 cm (9-10 years of age) and grow to a lesser size than females, which reach maturity at 230-245 cm (12 years of age), however, these numbers may vary by population. These sharks love the warm, tropical waters all over the world. The shark has been found at a depth of 1,640 ft [500 m], but it also occurs inshore at the surface and in areas where the water is only 18 inches [45 cm] deep. Size at birth is 27.5 to 34.25 inches [70 to 87 cm].. BEHAVIORThis is an active, fast and aggressive shark. Most program participants tag the sharks they catch with a rod and reel while fishing recreationally. COLORDark brown to bronze above, white below. The total length of silky shark ranges from 61 to 282 cm for females and 18-283 cm for males. WHAT TO LOOK FORA large slim oceanic shark with a moderately long rounded snout and an interdorsal ridge. Reproduction – Viviviparous, with a yolk-sac placenta. A total of 235 sharks representing the two species, silky shark (n = 135) and night shark (n = 90) were sampled and measured their CL ().For silky shark, the observed TL ranged from 79.50 to 294.00 cm to males and 75.00 to 284.00 cm to females, whereas to night shark ranged from 86.00 to 260.00 cm to males and 81.30 to 133.50 cm to females. A part of the Carcharhiniformes (ground sharks) family, Silky sharks are the largest members, reaching up to 346 kilograms and 3.5 metres in length. The silky shark has a slender, streamlined body and typically grows to a length of 2.5 m (8 ft 2 in). Females grow larger than males. The relationships of first dorsal fin length and total length is DFL=2.0151+0.1243 TL (both sexes). Silky sharks are mostly found in the coastal and oceanic waters of tropical oceans, mainly at temperatures above 23°C. Females grow larger than males. Silky sharks are the largest members of their genus, reaching up to 346 kg in mass and 3.5 m in length. One of the largest members of its genus, the dusky shark reaches 4.2 m (14 ft) in length and 347 kg (765 lb) in weight. They are generalist carnivores and typically feed on various species of fish, squid, and pelagic crabs. STATUSIn 2016, the Silky shark was placed on CITES Appendix II. The Silky shark was once abundant globally and fished for its liver oil, jaws, skin, and meat. But above all, ... Average/Maximum Length. The maximum size that the Silky sharks grow to is 3.3 metres, however, their average length is usually no more than 2.4 metres. SIZEMales mature when they are about 6 or 7 years of age and attain a length of 6.1 to 7.1 ft [1.87 to 2.18 m] and may reach a length of 9.8 ft [3 m]. The Silky shark gets its name from the fact that it has a smooth, "silky" texture. The circular, medium-sized eyes are equipped with nictitating membranes(protective third eyelids). Silky Shark 31b) Length of free tip of second dorsal fin in two times or less vertical height of the fin; first dorsal fin taller and not notably rounded: Question 32 32a) Snout long and pointed, distance between nostrils on underside of snout is 0.5-0.6 the length … Females mature when they are between 7 and 9 years of age and have attained a length of 7 to 7.5 ft [2.13 to 2.3 m], and they may reach a length of at least 10 ft [3.05 m]. Carcharhinus falciformis Length Up to 10 ft, most are much smaller Description Brownish-gray, large shark with small rounded dorsal fin, an interdorsal ridge and no distinctive markings Food Eats bony fishes, including mackerels and tunas, cephalopods, pelagic … The coloration quickly fades to a dull gray after death. The desired water temperature is 20 to 30 degrees Celsius (60 to 86 degrees Fahrenheit). Silky Shark is one of the three most traded shark species in the global shark fin trade. They are also among the most common by-catch species in the tuna fishing process and are one of the most common sources of cleaned and dried shark jaws sold to tourists in tropical countries. Average Size and Length: The Silky shark has a slender, streamlined body and typically grows to a length of 8 ft 2 in. On average, females range from 2.1 to 2.3 metres in length, and males 1.8 to 2.1 metres. The head of the Silky shark, when viewed from the side, comes to a sharp point. The maximum lifespan is 22 years. Silky Shark, Carcharhinus falciformis. It can be distinguished from other large requiem sharks by its relatively small first dorsal fin with a curving rear margin, its tiny second dorsal fin with a long free rear tip, and its long, sickle-shaped pectoral fins. Length: 1.07 m (3 feet 6 inches). On average, females range from 2.1 to 2.3 metres in length, and males 1.8 to 2.1 metres. Location. This species has a lifespan of about 23 years. Shark Research Institute PO Box 40, Princeton, NJ 08542, USATelephone: 609.921.3522 Fax: 609.921.1505 Email: firstname.lastname@example.org. The regressions using CL is the first for silky … Silky sharks are valued for their fins, and to … Those located in the Atlantic Ocean tend to move with the Gulf Stream and the migrations of tuna, their primary food source. Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0.A large, slim shark with a moderately long, flat and rounded snout, large eyes, small jaws, and oblique-cusped teeth with serrations; 2nd dorsal fin low and with greatly elongated rear tip (Ref. The silky shark, Carcharhinus falciformis, is one of the three most abundant shark ... done by comparing the size of the body length of the shark caught compared to the maximum size that can be achieved and the size of sexual maturity (Courturier et al 2012). Silky … 5578).Grey or bluish-grey above, white below; no conspicuous fin markings (Ref. They are highly migratory sharks but have been known to concentrate in the Gulf of Aden, the Gulf of Mexico, and along the coast of southern Baja California. The upper teeth are triangular and strongly serrated, with a notch in the posterior edge; they are e… Prey – Pelagic and inshore bony fishes including tuna, albacore mullet and porcupine fish, as well as squid and crabs. Because of their abundance, they form a major component of commercial and artisanal shark fisheries in many countries. Silkies are large, but slender sharks with long, flat snouts, large eyes, and small serrated teeth. The silky shark is an opportunistic predator feeding mainly on bony fishes from all levels of thewater column, including tuna, mackerel, sardines, mullets, groupers, snappers, mackerel scads,sea chubs, sea catfish, eels, lanternfishes, filefishes, triggerfishes, and porcupinefishes. © 2019 Sharkwater Productions - The Truth Will Surface. Silky sharks, Carcharhinus falciformis (Müller and Henle, 1839), aka silkies, blackspot sharks, grey whaler sharks, olive sharks, reef sharks, ridgeback sharks, sickle sharks, and silk sharks), measure up to 3.5 m in length with a maximum published weight of 346 kg. Their second dorsal fin is low on their body and has a long rear tip. This species has been found at depths of up to 500 metres, and records show that they have been seen in waters as shallow as 18 meters. Fish provided by the commercial fishermen of the greater Los Cabos area, Baja California Sur. It is the longest continuous shark tagging program in the world and it engages thousands of recreational and commercial fisherman. That’s about the size of a school bus. On average, Silky Sharks live to be 23 years of age and it is estimated it can live to up to 25 years in the wild. This shark is known to reach a maximum size of 150 centimeters (about 5 feet) which is quite small compared to many other shark species. The maximum size for this species is 10.8 ft [3.3 m]. The largest individual measured 3.5 meters (11 feet). It has a slender, streamlined body and can be identified by its short round snout, long sickle-shaped pectoral fins, ridge between the first and second dorsal fins, and faintly marked fins. Females grow to be much larger than males. This shark also has a longish snout and is brown or grey in color with no preset patterns for recognition. Length–weightrelationships (LWRs) of three species of pelagic sharks belonging to the family Carcharhinidae viz., the silky shark Carcharhinus falciformis and the graceful shark C. amblyrhynchoides and Alopidae viz, the pelagic thresher Alopias pelagicus, were estimated based on 525 samples collected from the longline and gillnet fishery of southeastern Arabian Sea from January 2016 … It is frequently found with schools of tuna. This shark is one of the larger members of its family with adults growing to about 5 meters (8.2 feet). The weighted global population trend estimated a 47-54% decline over three generations, giving the Silky Shark a global status of Vulnerable on the IUCN Redlist. The young spend their first few months in coral reefs, but move to the open ocean by the first winter. The silky shark is a common tropical-subtropical, epipelagic species that occurs in the Atlantic, Pacific and Indian oceans. Since the program was initiated in 1962, more than 295,000 sharks of more than 50 species have been tagged. They breed every two years and typically produce between two and 14 live offspring per litter. It may also take squid, paper nautilus, and swimming crabs, and there is fossil evidence of it sc… The silky shark is a predator and feeds mainly on inshore and … Most sharks are intermediate in size, about the same size as people, 5-7 feet (1.5-2.1 m) … Team SHARKWATER Newsletter | Group Sales | Shark Database | Partners
Habitat Edit u Measured as total length. Silky Sharks favour sub-tropical waters and are the world’s most abundant shark species. 9997); common length : 250 cm TL male/unsexed; (Ref. Submit them to email@example.com. Slim and streamlined, the silky shark has a fairly long, rounded snout with barely developed flaps of skin in front of the nostrils. Reproductive maturity is reached at 7 to 9 years of age and 2.1 to 2.3 metres in length in females, and 6 to 7 years and 1.8 to 2.1 metres in males. Underwater photograph taken in coastal waters off Kailua-Kona, Hawaii, October 2015. Females mature when they are between 7 and 9 years of age and have attained a length of 7 to 7.5 ft [2.13 to 2.3 m], and they may reach a length of at least 10 ft [3.05 m]. Fourteen to 16 and 13–17 tooth rows are found on either side of the upper and lower jaws, respectively (typically 15 for both). The maximum size and size of sexual maturity is referred to Compagno (1984). Populations of Silky Sharks in the Pacific and Indian Oceans also take part in migratory patterns by moving toward slightly higher latitudes during the summer months. In tropical waters, Silky Sharks breed year-round, and in warm-temperate waters, such as the Gulf of Mexico, silky sharks breed only during the summer months (June, July, and August). The longest recorded Silky shark reached 10.8 feet in length. 5578). Pups are born between 2.2-2.8 feet, mature males between 6.1 and 7.1 feet, and mature females 6.9-7.5 feet. Litters consist of 2 to 14 pups. One of the larger members of its genus, the silky shark commonly reaches a length of 2.5 m (8.2 ft), with a maximum recorded length and weight of 3.5 m (11 ft) and 346 kg (760 lb) respectively. But often times, they are seen near the surface as well. Do you have images or videos of Silky Sharks? Named for their smooth, soft skin, Silky Sharks are also distinctive due to their teeth shape which is finely serrated, unlike other species of sharks which are concave in shape. , Silky sharks are considered dangerous to humans because of their aggressive nature and size. DISPOSITIONThe shark usually ignores divers but make may a threat display when approached by divers, however, it has been implicated in several incidents. Named for their smooth, soft skin, Silky Sharks are also distinctive due to their teeth shape which is finely serrated, unlike other species of sharks which are concave in shape. • Common length for adult female is 7-7.5 feet (2.1-2.3 m); common length for adult male is 6-7 feet (1.8-2.1 m). Species Information. TEETHThe teeth of the upper jaw are serrated and have oblique to erect cusps, and the lower jaw teeth are erect.