The Deep News - January 2018

Banner DEEP ANIMAL COUNT BEGINS

DEEP ANIMAL COUNT BEGINS

17th January 2018

The annual animal census is underway at The Deep, from the tiny Leaf cutter ants to the enormous Green sawfish, every animal needs to be counted and accounted for. 

With over 5,000 animals representing over 300 different species, The Deeps’ Aquarists have a huge task on their hands to accurately record each individual animal within the aquarium. Armed with just a clicker and a clipboard, the swift colourful flash of a moving reef fish really drives home the difficulty of this job. With many constantly on the move, a lot of patience is needed and at times, a lot of re-counts!

Curator, Ben Jones tells us more: “With many of our animals on the move all the time the annual census can take a number of days to complete. With so many to count, the species are usually divided up between the Aquarists so it really is a team effort to complete.

Our animal records are completed on a daily basis, but each year a compulsory review of all our populations is required to comply with our Zoo License. This activity simply confirms our species numbers as we enter the New Year”.

2017 welcomed a number of new residents into this past year’s census, including the two Loggerhead Sea Turtles who arrived back in the spring of 2017, as well as a whole host of reef fish species following the refurbishment of the Lagoon of Light exhibition. Successful breeding of the David Bowie spider and the culturing of a number of jellyfish species, all will add to the upcoming final figure.

Amongst those being counted, some are threatened with extinction. This count is not only important for confirming numbers, but is shared with other zoos and aquariums across the globe, providing essential data for planning breeding programmes for these vulnerable and engendered creatures.

Banner ANOTHER UK FIRST FOR DEEP JELLYFISH

ANOTHER UK FIRST FOR DEEP JELLYFISH

10th January 2018

The Deep welcomes two brand new jellyfish species and celebrates a UK first! Visitors can now see both the majestic Pacific sea nettle and the stunning Mediterranean jellyfish in the Cool Seas zone.

After welcoming some polyps of the Mediterranean jellyfish from L'Oceanografic in Valencia, Spain, our specialist jellyfish Aquarists have managed to culture this species for the first time in the UK.

Each polyp releases tiny jellyfish called ephyra, each only 1-2mm across, initiating the delicate task of raising them into adulthood. Sometimes known as an 'egg jellyfish' the centre of their body becomes coloured with the food they have eaten. They can be found in the waters of the Mediterranean Sea and its coastal lagoon and can grow up to 35cm in diameter. Despite their size, they have a mild sting, so beachgoers need not to worry about them as much. They have a near translucent body and clusters of colourful oral arms underneath. These blue-purple appendages are essentially the jellyfish's mouth parts, where they can digest the plankton on which they feed.

Jellyfish are closely related to corals and one trait of the Mediterranean jellyfish really highlights this - it glows! Like corals, the frilly oral arms of this jellyfish contain plant-like algae called zooxanthellae, allowing it to generate its own food from the sun through photosynthesis. This algae contains fluorescent pigments, protecting the zooxanthellae from the harmful rays of the sun.

Aquarist Shoshana says; "We are so excited to be able to share these beautiful jellies with our visitors. Rearing a new species of jellyfish always presents a challenge, some jellyfish can be are very sensitive in the early stages so getting them through the difficult period really creates a sense of achievement. They are a fast growing species, so once we get them to the size of a 10p coin the pressure is lessoned slightly. We have a number of different life stages growing behind the scenes so we hope to have them on display for a while. We now have four very different species on display, so it’s great to be able to show off the diversity of shapes, sizes and colours within the jellyfish family".

Also joining the jellyfish exhibits this week are the Pacific sea nettle. Reaching up to 45cm in diameter, they trailing their long stinging tentacles behind them as they drift through the water. These stinging tentacles pack a punch and are capable of paralyzing even small fish and other jellyfish for them to eat. 

Plan your visit

Opening Times

  • The Deep is open daily from 10am to 6pm (last entry is at 5pm).
  • Car parking is available at a cost of £3 for six hours. It can become full during school holidays – alternative car parks can be found here.

Ticket Prices

Type of ticket Online On the day
Adult £13.50 £15.00
Child (3 - 15) £10.57 £11.75
Under 3s/Essential carers FREE FREE
Student*/Senior (60+) £12.60 £14.00

* Students must provide a valid NUS card or proof of age is required for school/sixth form students

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Please use Tower Street or HU9 1TU when using a Sat Nav – this will take you to nearest main road to The Deep.

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