Pictures
No pictures for this dive
-
Surface interval:0 mins
-
Temp: Surf 30°C Bottom 23°C
-
Dive type : Recreational, Deep dive, Drift, Reef, Photo
-
Visibility: Good
Water: Salt
Dive Profile
- 1. Nitrox 32
- 12L Steel
262 → 62 bar
-
- Average depth: 18.9m
Data provided by EOL.org
Species Identified
Negaprion acutidens (Rüppell, 1837) (Indo-Pacific lemon shark)
The sharptooth lemon shark is reportedly a sluggish shark that swims slowly near the bottom, frequently resting on the substrate. This shy shark is generally reluctant to approach divers, even when food is used to lure th...
Read More
The sharptooth lemon shark is reportedly a sluggish shark that swims slowly near the bottom, frequently resting on the substrate. This shy shark is generally reluctant to approach divers, even when food is used to lure them near. Young sharks are said to be more inquisitive, and a shark of any age is likely to respond to being provoked by humans, or approached by boats, with aggression. The majority of the sharptooth lemon shark's diet consists of bottom-dwelling bony fishes and stingrays . This is a viviparous shark, thus the embryos develop inside, and receive nutrition from, the mother for about ten months. Litters can vary from 1 to 13 young, with each pup measuring about 45 centimetres .
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 pili...
Read More
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 .
Caretta caretta Linnaeus 1758 (Loggerhead Turtle)
Adults are primarily carnivorous, using their powerful jaws to crack open crustaceans such as crabs and even seemingly impenetrable molluscs such as the queen conch (Strombus gigas) and giant clam (Tridacna s...
Read More
Adults are primarily carnivorous, using their powerful jaws to crack open crustaceans such as crabs and even seemingly impenetrable molluscs such as the queen conch (Strombus gigas) and giant clam (Tridacna spp.) . Loggerheads may reach sexual maturity at around 35 years old, and females appear to nest an average of three to five times in one breeding season, returning to breed every couple of years . Nesting occurs at night throughout the summer; females drag themselves out onto beaches beyond the high-tide mark and dig nests into which around 100 eggs are laid . Hatchlings and small juveniles appear to spend some time in pelagic environments, often drifting amongst rafts of sargassum and/or flotsam in the open ocean before migrating to benthic habitats in shallower, coastal waters .
All the data in this dive will be erased (profile, notes, fish list...) and cannot be recovered. Are you sure?
You need to select at least one dive to import your dives in Diveboard.
This dive will be copied into your own logbook.
Please select which details you would like to keep.
This dive has been copied into your own logbook.
We are participating today in the startup contest Techcrunch Disrupt. Support Diveboard by voting for us!
All it takes is a click!
This popup will only show once. Don't forget to vote before closing it!
Christian Jones
United States
Date: 2014-03-05 - 10:39
Max Depth: 25m Duration: 44mins
Dive buddies:
Aric Elmore
Amazing dive with Aric on Capt Sl8r. Lots of nurse sharks, loggerhead turtles, and an eel. Even had a lemon shark following the dive group after it took a lionfish off a spear gun. This was Aric's first time seeing sharks! He was a bit uncomfortable but we had a great dive. We both shot SMB's for practice. Had my lifeline with me. Sl8r monitors channel 78 and the emergency channel. This was a free 1 tank dive and only had to rent the tank for $20. Actually dove 33% nitrox. Video is on YouTube.