Qiandao Lake is a man-made lake located in Chun’an County, China, where archeologists have discovered in 2001 ruins of an underwater city. The city is at a depth of 26-40 meters and was named “Lion City”. There would have been 290,000 people living in this city during more than 1300 years.
though usually hidden to the human eye, naturally occurring marine biofluorescence can be seen under certain wavelengths of light (like ultraviolet) which causes the cells of the organisms seen here to absorb the light — and some of the photon’s energy — and then emit back a now less energetic light with a longer wavelength and thus a different colour.
biofluorescence is not be confused with bioluminescence (see posts), which is a chemical reaction endemic to an organisms that causes them to glow.
While SeaWorld may be celebrating its 50th anniversary, it may not have many more birthday shows to come.
After the Blackfish documentary was released in January last year it has created a phenomenal wave of disgust in SeaWorld’s direction.
SeaWorld suffered a whopping $15.9 million loss, and also had to disable commenting on many of their Facebook pages and their YouTube account due to the amount of protest they received from the public. But that won’t silence the world - the blows at SeaWorld are still continuing, and are rising to a whole new level.
Senator Greg Ball proposed legislation in New York that ban keeping orca in captivity - and it has passed in the state’s Standing Committee on Environmental Conservation this week. Senate Bill 6613 would ban “the possession and harbouring of killer whales in New York State aquariums and sea parks” (Sen. Greg Bill).
Also, earlier this month (7th March 2014) assemblyman Richard Bloom introduced the Orca Welfare and Safety Act in the state of California. Bill AB 2140 would ban the captivity of killer whales for entertainment purposes, captive orca breeding, and it would also put an end to the importation and deportation of orca into, and out of the state. The “Blackfish Bill”, as it’s also known, has already gained over 1 million signatures and is looking very promising due to its tremendous support.
Is this the beginning of the end for SeaWorld’s orca and dolphin performances? Let us hope so!
If you would like to learn more about Blackfish V SeaWorld don’t hesitate to contact us here at Turn Tides.
Update (28th March 2014): We have changed some of the information above to stress the closure of the orca shows and not SeaWorld as a whole. We are aware that SeaWorld makes a few rescue and conservation contributions also, but the focus of this article is on the freedom of the orcas and, hopefully in the future, the dolphins.
Multifunctional tube feet are able to attach to surfaces using suction, slowly move the animal over the seabed, pull apart the closed shells of prey to get at the soft tissues inside, and pass morsels of food to the mouth (Asterias rubens).
Bolinopsis infudibuliformis—this species of comb jelly, reaching up to 15 cm (6 in.) in length, has four long and four short comb plates. It is extremely fragile and individuals almost always tear and break up when handled.
A sea cucumber releasing its Cuvierian tubules to defend itself (Holothuria pervicax).
Unlike most comb jellies that catch their prey by using muscles to suck in water, Thalassocalyce simply allows the prey (usually small crustaceans) to swim inside its bell where they stick to the mucus covered lining. The bell then snaps shut and the prey is digested.
A jellyfish (Bougainvillia superciliaris) with a hitchhiking amphipod (Hyperiagalba).
Killer sponges thrive in the lightless depths of the deep sea. Scientists first discovered that some sponges are carnivorous about 20 years ago. Since then only seven carnivorous species have been found in all of the northeastern Pacific. A new paper authored by MBARI marine biologist Lonny Lundsten and two Canadian researchers describes four new species of carnivorous sponges living on the deep seafloor, from the Pacific Northwest to Baja California.
These animals look like bare twigs or small shrubs covered with tiny hairs. But the hairs consist of tightly packed bundles of microscopic hooks that trap small animals such as shrimp-like amphipods. Once an animal becomes trapped, it takes only a few hours for sponge cells to begin engulfing and digesting it. After several days, all that is left is an empty shell.