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Biology Reference Libraries

Page 10 of about 1458 Articles
Diadema setosum
2013-11-21 12:27:30

Diadema setosum is a species of long-spined sea urchin in the family Diadematidae. It’s a typical sea urchin, which exceptionally long and hollow spines that are mildly venomous. D. setosum is different from other Diadema with five distinctive white colored dots that can be found on its body. The species is located throughout the Indo-Pacific region, from Australia and Africa to Japan and the...

Sea Potato Echinocardium cordatum
2013-11-14 13:16:11

The Sea Potato (Echinocardium cordatum) is a sea urchin belonging to the family Loveniidae. It’s located in sub-tidal regions in temperate seas around the globe and resides buried in the sandy sea floor. The sea potato is a heart-shaped urchin clothed in a dense mat of furrowed yellowish colored spines which grow from tubercles and mainly point backwards. The upper surface is flattened and...

Red Urchin Astropyga radiata
2013-11-14 12:40:05

The Red Urchin, False Fire Urchin, Fire Urchin or Blue Spotted Urchin (Astropyga radiata) is a species of sea urchin belonging to the family Diadematidae. It’s a large species with long spines and is found within the tropical Indo-Pacific region. It was initially described in 1778 by the German naturalist Nathaniel Gottfried Leske. This species is a large urchin with a test diameter of up...

Hatpin Urchin Centrostephanus longispinus
2013-11-14 12:05:28

The Hatpin Urchin (Centrostephanus longispinus) is a species of sea urchin belonging to the family Diadematidae. There are two subspecies, Centrostephanus l. longispinus, found in the eastern Atlantic and Mediterranean Sea and Centrostephanus I. rubricingulus, found in the western Atlantic. In the year 1940, Mortenson believed that C. longispinus and C. rubricingulus were closely related...

Serpent Star Ophiura ophiura
2013-11-11 10:45:41

The serpent star (Ophiura ophiura) is a species of brittle star that is classified within the Ophiuridae family. It can be found along northwestern coasts of Europe with a range that includes the waters around Sweden, Norway, Madeira, and the Mediterranean Sea. It prefers a habitat in sandy areas at depths of up to 656 feet. This species is typically abundant throughout its range, occurring at...

Paleontology
2014-01-12 00:00:00

Paleontology or Palaeontology is the scientific study of prehistoric life, including the study of fossils to determine the organisms evolution and interactions with each other and their environments. Paleontological observations have been documented as far back as 5th century BC. The science became established in the 18th century as a result of Georges Cuvier’s work on comparative anatomy,...

Arbacia punctulata
2013-11-06 11:08:03

Arbacia punctulata is a species of Arbacia genus of purple-spined sea urchins. Its natural habitat is in the Western Atlantic Ocean. It can be found in shallow water from Massachusetts to Cuba and the Yucatan Peninsula, from Texas to Florida in the Gulf of Mexico, the coast from Panama to French Guiana and in the Lesser Antilles, normally on sandy, rocky, or shelly bottoms. It is omnivorous,...

Coelopleurus exquisitus
2013-11-06 11:03:16

Coelopleurus exquisitus is a sea urchin species located off of the coast of the island of New Caledonia within the Pacific Ocean. It’s an epifaunal deep water species living at depths of between 790 and 1,710 feet and was only identified as named in 2006. The pattern and coloration of this species is distinctive and vibrant. Examined individuals of the species demonstrate that the test is...

Maltese tiger
2013-11-04 11:04:14

The Maltese tiger, also called the blue tiger, is considered to be a tiger with a morphed coloration. It is claimed to inhabit the region of Fujian Province, China. Sightings of Maltese tigers in Korea and Burma have also been reported. The term Maltese derives from a domestic cat that has slate grey fur. Cats of this coloration are abundant in Malta, therefore, this variation of tiger has...

Buxbaumia
2013-11-04 09:52:18

Buxbaumia is commonly known as bug moss, or elf-cap moss. It is a genus of moss with twelve known species. It was named after Johann Christian Buxbaum, a German botanist and physician who made the discovery in 1712. Buxbaumia remains microscopic for almost its entire existence. The plants are only remotely visible after they begin to produce their reproductive structures. The spore capsule...

Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.