Sea Urchin Facts and Information
Members of the Echinoderm family, here is a collection of facts and information, photo, and aquarium care resources to learn about Sea Urchins, some of which are harmless, while other have poisonous spines and therefore need to be handled with caution.
Echinoderm Envenomations First-Aid
While most Echinoderms are poisonous and many have sharp spines capable of causing injury, only a few members of the class Asteroidea (Starfishes), Echinoidea (Sea Urchins), and Holothuroidea (Sea Cucumbers) are capable of actually causing injuries in humans. From eMedicine.com, learn about how these animals can harm you and what steps to take if a mishap occurs.
While most Echinoderms are poisonous and many have sharp spines capable of causing injury, only a few members of the class Asteroidea (Starfishes), Echinoidea (Sea Urchins), and Holothuroidea (Sea Cucumbers) are capable of actually causing injuries in humans. From eMedicine.com, learn about how these animals can harm you and what steps to take if a mishap occurs.
Echinoderms Profiles - Urchins & Starfishes
From page 2 of the Sea & Sky Reef Life Echinoderms page, brief profiles on the Purple and Rock Boring Urchins, and the Reticulate Brittle, Basket and Feather Starfishes, all with photo images included.
From page 2 of the Sea & Sky Reef Life Echinoderms page, brief profiles on the Purple and Rock Boring Urchins, and the Reticulate Brittle, Basket and Feather Starfishes, all with photo images included.
Sand Dollar Anatomy & Characteristic Profile
From the Enchanted Learning Ocean Animal Printouts Index, here is a printable page that diagrams the anatomy of a Sand Dollar, and profiles the anatomy, diet, classification and some other characteristic information about this animal related to Sea Urchins.
From the Enchanted Learning Ocean Animal Printouts Index, here is a printable page that diagrams the anatomy of a Sand Dollar, and profiles the anatomy, diet, classification and some other characteristic information about this animal related to Sea Urchins.
Sand Dollar, The History of
From the Cape Breten Living site, this history of sand dollars page is very informative to learn and understand more about these interesting animals in the Echinoderm Family.
From the Cape Breten Living site, this history of sand dollars page is very informative to learn and understand more about these interesting animals in the Echinoderm Family.
Sea Urchin Anatomy & Physiology
From the Sea Urchin Embryology Web Site at Stanford University, here are details on the complete anatomy and physiology of Sea Urchins. Includes graphic and photo images.
From the Sea Urchin Embryology Web Site at Stanford University, here are details on the complete anatomy and physiology of Sea Urchins. Includes graphic and photo images.
Sea Urchin Anatomy & Profile - Purple
From Enchanted Learning, here is a printable page that outlines the anatomy of the Purple Sea Urchin (Strongylocentrotus purpuratus) and is crossed linked to their Sea Urchin printout page, both of which contain profile information about these animals.
From Enchanted Learning, here is a printable page that outlines the anatomy of the Purple Sea Urchin (Strongylocentrotus purpuratus) and is crossed linked to their Sea Urchin printout page, both of which contain profile information about these animals.
Sea Urchin Embryology Web Site
The Sea Urchin Embryology Web Site developed by teachers and Stanford University researchers where the drama of fertilization and development is explored by laboratory modules using sea urchin eggs. Whether a teacher, student, or aquarists, from the "Contents" on this site you'll find extensive information to learn all about urchins!
The Sea Urchin Embryology Web Site developed by teachers and Stanford University researchers where the drama of fertilization and development is explored by laboratory modules using sea urchin eggs. Whether a teacher, student, or aquarists, from the "Contents" on this site you'll find extensive information to learn all about urchins!
Sea Urchin Food DIY Recipe
From the Sea Urchin Embryology site at Stanford Univeristy, here is a DIY "Urchin Cookie" food recipe you can make to feed Sea Urchins in captivity if you have a short supply of seaweeds or algae for them to eat.
From the Sea Urchin Embryology site at Stanford Univeristy, here is a DIY "Urchin Cookie" food recipe you can make to feed Sea Urchins in captivity if you have a short supply of seaweeds or algae for them to eat.
Sea Urchin Profiles - Red & Green
From the Canada Fishery Web site, here is a taxanomic and characteristic profile on the Red and Green Sea Urchins of the Strongylocentrotidae family found in the Pacific region.
From the Canada Fishery Web site, here is a taxanomic and characteristic profile on the Red and Green Sea Urchins of the Strongylocentrotidae family found in the Pacific region.
Sea Urchin Puncture Wounds First-Aid
The spines of some species of Sea Urchins are harmless, while others are poisonous, but no matter which type you get poked by, they are quite painful and very often difficult to remove. From the Hawai'i Lifeguard's site, here is information about what to do and how to treat puncture wounds received from the spines of Sea Urchins.
The spines of some species of Sea Urchins are harmless, while others are poisonous, but no matter which type you get poked by, they are quite painful and very often difficult to remove. From the Hawai'i Lifeguard's site, here is information about what to do and how to treat puncture wounds received from the spines of Sea Urchins.
Sea Urchins, Keeping Adult
From the Stanford University Sea Urchin Embryology Web site, from their research of using adult sea urchins to study the spawning habits of sea urchins, here is some valuable on how to acclimate and keep adults to prevent them from dying and/or spawning.
From the Stanford University Sea Urchin Embryology Web site, from their research of using adult sea urchins to study the spawning habits of sea urchins, here is some valuable on how to acclimate and keep adults to prevent them from dying and/or spawning.
Sea Urchins Profile & Quiz
From the Life on the Rocky Shore sites Tidepool Animals Library, a nice general profile on the characteristics of Sea Urchins, and you can even try their Sea Urchin Quiz when done reading.
From the Life on the Rocky Shore sites Tidepool Animals Library, a nice general profile on the characteristics of Sea Urchins, and you can even try their Sea Urchin Quiz when done reading.
Sea Urchins, Taxonomy of
From the CAS (California Academy of Sciences) site, this Classification of the Extant Echinodermata shows what Classes of animals are found in the Echinodermata Phylum, which includes many Orders of Sea Urchins and Sand Dollars in the Class Echinoidea.
From the CAS (California Academy of Sciences) site, this Classification of the Extant Echinodermata shows what Classes of animals are found in the Echinodermata Phylum, which includes many Orders of Sea Urchins and Sand Dollars in the Class Echinoidea.