SCUBA News 225
27 March 2019
SCUBA News (ISSN 1476-8011)
Issue 225 - March 2019
Welcome to SCUBA News - I hope you find it useful.
You can download a pdf version here.
Manta rays, whale sharks, warm water, great food - with over 2000 km of coastline, and hundreds of islands, there is something for everyone: reefs, walls, caves, drifts, swim-throughs, drop-offs, wrecks and pinnacles.
Five marine parks protect Kenya's fringing coral reef with sealife from seahorses to whale sharks.
Seventy-nine species of elasmobranch live in or visit Gran Canaria and the rest of the Canary islands.
Featured Liveaboard - Amira
20% Off Indonesia trip - visit some of the most spectacular dive spots around the Banda Islands including Snake Island, famous for its many and diverse sea snakes.
Creature of the Month: Cup Coral, Tubastraea coccinea
The cup coral Tubastraea coccinea is the pretty, orange, tubular coral which you see growing in underhangs, drop-offs and reef slopes in strong currents. At night the coral skeleton - corallum - is hidden by lovely ring of bright yellow tentacles. During the day the tentacles are retracted into the coral tube.
The name comes from the Latin for tube (tubus) and the Greek for star (astron). The skeletal tubes measure 5-15 mm across and protrude by 10 mm or more from the coral surface. Tubastraea species occur from the surface to depths of nearly 1500 m. There are four or five species throughout shallow Indo-Pacific waters (Red Sea, Thailand, Indonesia, Hawaii, etc.). Orange Cup Coral is also found in cold water.
As Tubastraea grow in low light, they lack symbiotic algae (which require light to photosynthesise). This in turn means that they grow relatively slowly and do not contribute to reef building. They are also known as Sun Coral or T. aurea.
Class: Anthozoa > Subclass: Hexacorallia >Order: Scleractinia > Family: Dendrophylliidae
Photo by Tim Nicholson.
More Creatures of the Months...
Corals of the World by Elizabeth Wood
Equatorial coral reefs less affected by global warming
Indonesia wins 2.52 million dollar settlement for coral damage by foreign ships
Seahorse Trust contest permission to drill for oil in seahorse area
Study maps where tunas, sharks and fishing ships meet
Whales rocked by heavy metals
Plastics leading to reproductive problems for marine animals
No silver bullet for helping the Great Barrier Reef
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SCUBA News is licensed under a Creative Commons Attribution 4.0 Unported License. This means we are happy for you to reuse our material for both commercial and non-commercial use as long as you: credit the name of the author, link back to the SCUBA Travel website and say if you have made any changes. Some of the photos though, might be copyright the photographer. If in doubt please get in touch.
Photo credits: Tim Nicholson, Jill Studholme, Nick Hopgood, Dan Shapiro
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