Fotos
No hay fotos para esta inmersión
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Temp: Parte inferior 24°C
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Tipo de buceo: Recreo, Aquarium
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Visibilidad: Excelente
Agua: Salada
Equipo específico utilizado
- BCD:
- Botas:
- Ordenador:
- Aletas:
- Mascara:
- Regulador:
- Traje humedo:
- Pesos: 5 kg
Buceadores recientes en Dubai Mall
Fotos recientes en Dubai Mall
Tienda de buceo & compañeros
Perfil de la inmersión
- 1. Air
- 12L Steel
14 → 7 bar
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- Profundidad media: 7.3m
Datos proporcionados por EOL.org
Especies identificadas
Carcharias taurus Rafinesque, 1810 (sand tiger shark)
The sand tiger shark is one of the best-studied of the shark species. They are the only sharks known to gulp air at the surface and store it in their stomach to provide buoyancy . These sharks generally mate between October...
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The sand tiger shark is one of the best-studied of the shark species. They are the only sharks known to gulp air at the surface and store it in their stomach to provide buoyancy . These sharks generally mate between October and November and courtship can take a long time, with the male aggressively nipping his potential mate . Females are ovoviviparous, giving birth to two large pups every two years. Pups hatch out of their eggs within the oviduct of the mother's reproductive system, one in each oviduct, and then feed on eggs that the female continues to produce . Over nine months to a year, the pups grow within their mother feeding on hundreds to thousands of eggs and, by the time they are born, measure up to a metre long . During the day they are found near caves and ledges , hovering just above the surface either singly or in small groups . These fairly docile sharks are sluggish and, despite a ferocious reputation, feed mainly on fish .
Ginglymostoma cirratum (Bonnaterre, 1788) (Nurse shark)
During the day the nurse shark is a sluggish animal, spending most of its time resting on sandy bottoms, or in crevices in rocks and coral reefs. Often several nurse sharks may congregate when resting, sometimes even pilin...
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During the day the nurse shark is a sluggish animal, spending most of its time resting on sandy bottoms, or in crevices in rocks and coral reefs. Often several nurse sharks may congregate when resting, sometimes even piling on top of one another . At night however, the nurse shark actively roams the sea bottom and reef for prey. It feeds on bottom invertebrates such as spiny lobsters, shrimps, crabs, sea urchins, squid and octopi . It is also feeds on fish, its nocturnal nature enabling it to prey on resting fish that would be too active during the day to capture . The nurse shark's small mouth and large pharynx enable it to feed by a unique suction method, effectively making the nurse shark the 'hoover' of the ocean floor. By cupping its mouth over a hole or crevice and expanding its throat, it creates a vacuum that sucks prey out of their hiding . This suction-feeding is also useful for extracting snails from their shells , and it will dig in sand to root out prey sensed by its fleshy barbels . The nurse shark is one of few sharks in which courtship behaviour is relatively well known . The male swims alongside the female, grabs one of the pectoral fins in his mouth, rolls her over and they mate . A large number of males will often try to mate with a single female, and females often bear numerous bite-scars and bruises received during mating attempts. It is therefore not surprising that females frequently try to avoid males by swimming in very shallow water, where they can bury their pectoral fins in the sand . Nurse sharks are ovoviviparous , a method of reproduction whereby the young develop inside a weakly-formed egg shell within the mother, receiving nourishment from their yolk sac, for five to six months . The females move to shallow seagrass beds and coral reefs to give birth to 20 to 30 pups in late spring and summer . Like many sharks the nurse shark is slow growing, with males not reaching maturity until 10 to 15 years of age, and females 15 to 20 years .
Rhina ancylostoma Bloch and Schneider, 1801 (Bowmouth guitarfish)
Very little is known about the biology of the bowmouth guitarfish . This species feeds mainly on crustaceans and mollusks on the sea bed , catching them by restraining the prey against the sea bottom using its large head an...
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Very little is known about the biology of the bowmouth guitarfish . This species feeds mainly on crustaceans and mollusks on the sea bed , catching them by restraining the prey against the sea bottom using its large head and pectoral fins, and then with a series of short sharp thrusts, moving the prey into its mouth . The bowmouth guitarfish is ovoviviparous, with females typically giving birth to four live young that have hatched within the uterus . Like other sharks and rays, this species is thought to have a late onset of sexual maturity and slow reproductive rate .
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Emiratos Árabes Unidos
Fecha: 2012-12-20 - 13:00
Profundidad máxima: 11m Duración: 36mins
Buceo con Jemrey P. Lao (Padi Divemaster) de Al Boom Diving Dubai Mall Aquarium
