There’s been exciting times recently here at Blue Planet Aquarium, as we have had some new arrivals. When we get new arrivals its always an exciting time to be working in the Aquarium, however recently we’ve had some truly unique and unusual animals to join the rest of our collection of animals. So, this blog is going to be covering the newest members of the Blue Planet family, and why their uniqueness is so beneficial to our other animals.
The new animals in question are Sharks with one being from a species we already have at the aquarium and two being completely new to the aquarium. Here at Blue Planet Aquarium we’re constantly trying to educate our visitors and show them new ways to appreciate our underwater world and the animals that we have living on this planet we call home.
So, lets dive straight in (no pun intended).
We’re going to start today with an animal that we already have two of and have had at the aquarium for several years, we have one teenage male named Marty (Named after the zebra from the Madagascar film) and Stripes (Named after Racing Stripes) however this new one is still a very young Shark and is a female who we’ve named Deborah the Zebra.
This species is also a hugely popular species here at Blue Planet and I would probably say are a favourite of mine, I am of course talking about our Zebra Shark. Zebra Sharks are identified by their yellowish- brown colouration with a spotty pattern covering their body, people usually ask at this stage why they’re called Zebra Sharks if they have spots. They’re called Zebra Sharks because when they’re young they’ve got Black & White Stripes all the way down their body, similar to that of a zebra, this species also has the second longest tail in the Shark world after the Thresher Shark.
The long tail combined with their striped pattern makes them look similar to that of the White-banded Sea Snake which has also lead some scientists to believe that this species may mimic the snake to deter predators, if this is the case then this would be the first case of protective mimicry in Sharks. Zebra Sharks are also one of the few Sharks that we know exhibit parthenogenesis which means that this species can lay viable eggs without a male needed, however all the pups born through this process will all be females. Zebra Sharks have also been found to share a very close relation to that of the world’s largest fish, the Whale Shark, we know this as their DNA is very similar and the Zebra Shark shares very similar features.
Our Zebra Sharks are all hand fed and eat a wide variety of foods such as Mackerel, Whiting, Saury, Squid and hard-shelled food such as Razor Clam. They’re incredibly friendly and regularly come in to investigate what’s going on, they’ll often rest against us and seem to show interest in having physical contact with members of the dive team, however we try and limit this as they wouldn’t get it in the wild, although sometimes we have to in order to stop them from trying to steal all the food or keep them at a distance that we can work with.
The next new Shark member is our Zebra Bullhead Shark, this is one of the more unusual Shark species that we have. It’s a member of the of the Horn Shark Family which is the same family of sharks as the Port Jackson Shark, this shark is very striking as it has very obvious Black and White Stripes and even more unusually, a small spike on both the Dorsal fin and Second Dorsal Fin which is where the name “Horn Shark” comes from. In this species early stages of life, they have a very similar striped pattern as their adult stage however their black stripes are more of a reddish-brown.
This species in the wild feeds mainly on hard-shelled foods such as crabs and molluscs however they wouldn’t say no to fish, ours is fed on fish, squid, razor clam and Mussel. Here at Blue Planet Aquarium we have just one Zebra Bullhead and ours is a male, this shark along with the next species I’ll be talking about are not yet named as we are having our guests choose names for us. Zebra Bullheads lay eggs rather than live birth, like mammals, and this group of sharks is a very ancient group with a long fossil record, that date these sharks all the way back to the early Jurassic which was around 201 million years ago.
The last two species are some of my personal favourites, which are known as Wobbegong Sharks. The name Wobbegong comes from the aborigine word for “Shaggy Beard”, this has led to them being lovingly known as “Wobbies” in Australia and among Shark enthusiasts. We have two species of Wobbegong here at Blue Planet Aquarium we have one Western Wobbegong and one Spotted Wobbegong, they both look vastly different in their patterns and markings and are one of the most unique and unusual Shark species.
Wobbegongs are Ambush predators that lie motionless on, or in, the seabed, rocky overhangs, crevices and caves. They wait to allow their camouflage to help them blend in with their surroundings, they do this until fish and other small animals come within striking range for the best chance of a successful hunt. To add success to a hunt it has been observed with the Tasselled Wobbegong, that they take part in active luring behaviour which is something seen in animals such as the Frogfish or Alligator Snapping Turtle. This is done with the Shark wedging itself into a cave or crevice with its head at the entrance and the tail curled over the top of its head, they then wave their tail side to side to mimic another fish, this is done to create the illusion that the cave is safe and free from predators and its then that the Shark strikes, grabbing any fish that comes too close.
Here at Blue Planet we feed ours on Squid, Mackerel, Saury, Sprat, Sand Eel and Prawn and we feed them via long pole. We do this as the strike from a Wobbegong is so quick that the human eye cant register it straight away, this also allows us to mimic hunting behaviour by giving the food a “swimming motion” to it which allows the animals to pick their target and hunt for their food rather than just feeding them.
These sharks are really important to us here at the aquarium as not only are they amazing and beautiful but they’re unusual looks and nature make them a reference point to just how diverse and incredible the Shark family is, sure everyone knows what a Hammerhead and Whale Shark is and as amazing as they are its always humbling to be able to show our guests just how unusual the Shark family can be along with the amazing traits and behaviours that comes along with them.
So, there you have it, some wonderful new arrivals here at Blue Planet Aquarium with each one being as amazing as the last. When you’re next at Blue Planet keep an eye out for these amazing new arrivals and make sure to appreciate just how strange and unique they are. Keep an eye out for future new arrivals and I’ll see you in the next blog.
For more information about Blue Planet Aquarium please visit their website by clicking here.
BLUE EARTH – Future Frogmen Podcast Series – Deep-Sea Stories From a Shadow Diver: a conversation with Richie Kohler
A series of conservation educational podcasts from Future Frogmen, introduced by Jeff Goodman.
Deep Sea Stories From a Shadow Diver: a conversation with Richie Kohler.
This episode of the Blue Earth Podcast is a conversation with Richie Kohler. He’s an explorer, technical wreck diver, shipwreck historian, filmmaker, and author.
Richie was featured in Robert Kurson’s incredible book “Shadow Divers ”. It’s a thrilling true story about Richie and John Chatterton’s quest to identify the wreck of an unknown WWII German U-boat (submarine), 65 miles off the coast of New Jersey. They dedicated six years of their lives attempting to identify the wreck.
Richie has travelled the world and explored many deep wrecks, including the Andrea Doria, Titanic, and Britannic. He’s the author of “Mystery of The Last Olympian” about the Britannic.
Richard E Hyman Bio
Richard is the Chairman and President of Future Frogmen.
Born from mentoring and love of the ocean, Richard is developing an impactful non-profit organization. His memoir, FROGMEN, details expeditions aboard Jacques-Yves Cousteau’s famed ship Calypso.
Future Frogmen, Inc. is a nonprofit organization and public charity that works to improve ocean health by deepening the connection between people and nature. They foster ocean ambassadors and future leaders to protect the ocean by accomplishing five objectives.
You can find more episodes and information at www.futurefrogmen.org and on most social platforms @futurefrogmen.
New Fisheries Act misses the mark on sustainability, but what now?
The UK’s landmark post-Brexit fisheries legislation has now become law. The Fisheries Act, the first legislation of its kind in nearly 40 years, will shape how the UK’s seas are fished for years to come.
The Marine Conservation Society, which campaigned for amendments to the legislation throughout its development, is disappointed by the removal of key sustainability amendments and by the removal of a commitment to rolling out Remote Electronic Monitoring.
The charity has committed to pushing the UK Government to go further than the framework which the Fisheries Act sets out, with greater ambition for the state of UK seas.
Sandy Luk, Chief Executive of the Marine Conservation Society said: “UK Government and devolved administrations must act urgently to deliver climate and nature smart fisheries under the new Fisheries Act. This is a key condition if our seas are to recover to good health. The UK Government removed key amendments from the legislation while making promises on sustainability and the introduction of remote electronic monitoring. We will continue to hold the government to account over these promises.”
“I’m pleased to see the recognition of the important role fisheries play in our fight against the climate emergency. However, even with a climate change objective in the Act, actions speak louder than words. We must get to work delivering sustainable fisheries management, which will have a huge benefit to our seas, wildlife and the communities which depend upon them.”
The Fisheries Act has become law against a backdrop of the ocean’s declining health. UK waters are currently failing to meet 11 out of 15 indicators of good ocean health and over a third of fish in UK waters are being caught at levels which cannot continue into the future. Whilst the legislation failed to address some of the more pressing issues facing UK seas, including overfishing, there is still an opportunity to affect change in the years which follow.
Sam Stone, Head of Fisheries at the Marine Conservation Society said: “The Fisheries Act marks the start of a new era of fisheries management in the UK, but the next two years will be critical in defining what this looks like. The new Act has some good objectives, but we now need to come together to make sure it really delivers the on-water change that is desperately needed for ocean recovery.
“There is genuine opportunity to create fisheries that deliver for coastal communities and for the environment, but it means moving away from ‘business-as-usual’. The UK and devolved governments now have the powers to move forward with progressive new management in their waters. That means proper incentives for low impact fishing, proper monitoring of catches and proper commitments to sustainable fishing.
“In the short term, the four nations must work together to make impactful changes, starting by addressing the UK’s most at risk fish stocks. Recovery plans are needed for our depleted stocks, including new catch limits, selectivity and avoidance measures, protection of vital habitats and fully documented catches. Rolling out Remote Electronic Monitoring with cameras on larger vessels throughout the UK should be top of the agenda if future policy is to be as well informed as possible.”
For more information about the Fisheries Bill and the Marine Conservation Society’s work, visit the charity’s website.
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Sharks Bay Umbi Diving Village is a Bedouin-owned resort with stunning views and a lovely private beach. It is ideal for divers as everything is onsite including the resort's jetty, dive centre and house reef. The warm hospitality makes for a diving holiday like no other. There is an excellent seafood restaurent and beach bar onsite, and with the enormous diversity of the Sharm El Sheikh dive sites and the surrounding areas of the South Sinai, there really is something for every level of diver to enjoy.More Less
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