Resultado de búsqueda
Hace 5 días · A tiny killer is making an entire region’s sea urchins disintegrate. A single-celled organism is destroying up to 100% of urchins in parts of the Red Sea and the Western Indian Ocean.
Hace 2 días · Echinus melo is a globular sea urchin of up to 17 cm in diameter. Spines are scarce and of two types: short thin greenish-yellow spines, called secondary spines, and long thin olive-green spines with whitish tips, called primary spines.
Hace 4 días · Echinus esculentus is a globular sea urchin between 10 and 17 cm in diameter. Spines are short, around 1,5 cm long, thick and regular. Their colour is variable: greenish or pale purple. The thick test is purple and red with five clearer bands on the ambulacral plates.
Hace 5 días · Direct children (3) Display. Subspecies Tripneustes gratilla elatensis Dafni, 1983. Subspecies Tripneustes gratilla gratilla (Linnaeus, 1758) Subspecies Tripneustes gratilla eilatensis accepted as Tripneustes gratilla elatensis Dafni, 1983 (misspelling) Environment. marine, brackish, fresh, terrestrial. Fossil range.
Hace 5 días · An epidemic that has decimated large numbers of sea urchins in the Gulf of Eilat has spread to the Red Sea and spilled over into the Indian Ocean. 'This is an ecological disaster of the first order,' say researchers at Tel Aviv University, recommending that urgent action be taken.
Hace 2 días · Researchers at Tel Aviv University (TAU) have identified a pathogen that caused large-scale death among sea urchins in the Red Sea and warns its spread to the Indian Ocean threatens the coral reefs across the planet. Sea urchins feed on the algae that compete with corals for sunshine, making them the so-called “gardeners” of the reefs.
Hace 5 días · Thousands of sea urchins died a quick and violent death—within two days a healthy sea urchin turns into bare skeleton with no tissues or spines, and most were devoured by predators as they were...
