Flower urchin

English: This flower urchin (Toxopneustes pileolus) was found at the south shore of Long-dong Bay, a famous diving site located at northeast coast, TAIWAN. The photo was taken by Vincent C. Chen, one of the regular contributors to EZDive magazine, at July 3, 2010. Date 3 July 2010 Source Own work Author "Vincent C. Chen is a Taiwanese recreational diver and free diver who dedicate to underwater photography and the marine lives protection. He is also one of the contributors to EZDive magazine since 2008." Licensing You are free: • to share – to copy, distribute and transmit the work • to remix – to adapt the work Under the following conditions: • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the https://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 true true Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 1,024 × 768 (763 KB) Longdongdiver {{Information |Description={{en|1=This flower urchin (Toxopneustes pileolus) was found at the south shore of Long-dong Bay, a famous diving site located at northeast coast, TAIWAN. The photo was taken by Vincent C. Chen, one of th...

Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins. Main reference Coordinator | IUCN Red List Status (Ref.

Sea urchins make up some of the most visible, and also the most fascinating animals in the sea. Their vibrant color is certainly eye-catching. Sea urchins come in many colors from purple to red, to green, etc. An average sea urchin is pretty small, around 3 to 10 centimeters in diameter. On the other hand, the biggest known sea urchin species is about 36 centimeters in diameter. Out of all the sea urchin facts, this is one that can definitely save your life- if you ever see a flower urchin underwater, you better run! Why? The venom of a flower urchin is deadly, and can kill a human. Its venom contains a substance called Peditoxin which can cause anaphylactic shock, convulsions and death. Moreover, when a human or animal steps on or touches a flower urchin, its spines can also shatter or penetrate its flesh. Yikes! Most sea urchins are found in warm ocean water, and hang out near Like what you just read? Learn more about these interesting animals, with these 40 sea urchin facts. • Modern science is aware of the existence of about an estimated 950 species of sea urchins in the world. • Sea urchins live up to a depth of 5 kilometers under the sea. • Most sea urchins measure around 7 centimeters across. • The biggest sea urchins can measure up to 36 centimeters across. • The smallest sea urchins only measure around 3 centimeters across. • The first sea urchins evolved during the Ordovician Period, around 450 million years ago. • These early sea urchins had thin shells compared...

English: This flower urchin (Toxopneustes pileolus) was found at the south shore of Long-dong Bay, a famous diving site located at northeast coast, TAIWAN. The photo was taken by Vincent C. Chen, one of the regular contributors to EZDive magazine, at July 3, 2010. Date 3 July 2010 Source Own work Author "Vincent C. Chen is a Taiwanese recreational diver and free diver who dedicate to underwater photography and the marine lives protection. He is also one of the contributors to EZDive magazine since 2008." Licensing You are free: • to share – to copy, distribute and transmit the work • to remix – to adapt the work Under the following conditions: • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the https://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 true true Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 1,024 × 768 (763 KB) Longdongdiver {{Information |Description={{en|1=This flower urchin (Toxopneustes pileolus) was found at the south shore of Long-dong Bay, a famous diving site located at northeast coast, TAIWAN. The photo was taken by Vincent C. Chen, one of th...

Sea urchins make up some of the most visible, and also the most fascinating animals in the sea. Their vibrant color is certainly eye-catching. Sea urchins come in many colors from purple to red, to green, etc. An average sea urchin is pretty small, around 3 to 10 centimeters in diameter. On the other hand, the biggest known sea urchin species is about 36 centimeters in diameter. Out of all the sea urchin facts, this is one that can definitely save your life- if you ever see a flower urchin underwater, you better run! Why? The venom of a flower urchin is deadly, and can kill a human. Its venom contains a substance called Peditoxin which can cause anaphylactic shock, convulsions and death. Moreover, when a human or animal steps on or touches a flower urchin, its spines can also shatter or penetrate its flesh. Yikes! Most sea urchins are found in warm ocean water, and hang out near Like what you just read? Learn more about these interesting animals, with these 40 sea urchin facts. • Modern science is aware of the existence of about an estimated 950 species of sea urchins in the world. • Sea urchins live up to a depth of 5 kilometers under the sea. • Most sea urchins measure around 7 centimeters across. • The biggest sea urchins can measure up to 36 centimeters across. • The smallest sea urchins only measure around 3 centimeters across. • The first sea urchins evolved during the Ordovician Period, around 450 million years ago. • These early sea urchins had thin shells compared...

Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins. Main reference Coordinator | IUCN Red List Status (Ref.