Chingum — Discover Curiosities The spiralflanged egg case of a Horn Shark


Shark Egg Case Identification Understanding the Importance

The Great Eggcase Hunt has landed on Australian shores, calling on citizen scientists to look for egg cases underwater or washed up on beaches. By Andrea Wild 19 March 2023 2 min read Sharks and their cousins - rays, skates and chimaeras - have very diverse ways of reproducing. These ways include:


Shark Egg Case Stock Image Z600/0313 Science Photo Library

IDENTIFY YOUR EGGCASE: We've created a handy ID Guide and Key to help you identify your eggcases. You can also download the Shark Trust App and use this to identify and record your eggcase finds. There is a kid friendly eggcase guide and trail, which can be set up at home. So whatever the weather you can learn about and search for eggcases.


Easter egg(case) hunting on the rocky shore SOSF Shark Education Centre

Cat Gordon, Senior Conservation Officer at The Shark Trust, said the Great Eggcase Hunt has recorded more than 380,000 individual egg cases from around the world since it began. "We're really excited to be partnering with CSIRO to officially launch this citizen science project in Australia and to be able to expand the Shark Trust's egg case identification resources," Ms Gordon said.


Swell shark egg case, kstlzenbach, Flickr public domain Morro Bay National Estuary Program

What does a shark egg look like and where can find one? The appearance of the egg cases will vary depending on the species. By looking at the size, shape and features of the recorded egg case, you can identify the species that laid it.


Close Up Of Spiral Shark Egg Case From The Shark Family Heterodontidae Washed Up Attached To

'Mermaid purses' Today, the term 'mermaid purse' is broadly applied to the egg case of any shark or ray. However, Gilbert Percy Whitley, a celebrated ichthyologist who worked at the Australian Museum from 1925 to 1964, wrote that the only true 'mermaid purse' is the skates' egg.


Twist Your Mind Around A Shark Egg Case

The Great Eggcase Hunt is particularly interested in mermaid's purses, the empty eggcases of skates and rays. By collecting the mermaid's purses and sending off any information to the Shark Trust.


Shark Egg Case Identification Understanding the Importance

The eggcases of egg-laying sharks and rays (also known as mermaids' purses) can be found washed up on many coastlines around the world, and the size and shape of the purse can be used to distinguish each species. For example, skates and rays can be instantly recognized by a pair of horns positioned at either end of the central capsule or case.


Eggcase ID Guide for NW Europe Sea Beans, Basking Shark, Mermaid Purse, Species Of Sharks

Egg Case ID Guide ID Key - Use this key to identify your eggcases! ID Guide - Use this guide to help you to identify your eggcases - For kids! Blackmouth Catshark Scientific name: Galeus melastomus Capsule length ~5cm (ranges from 3-7cm) Small upper horns Smallspotted Catshark Scientific name: Scyliorhinus canicula Small egg case


Egg cases of catsharks. (a) Cephaloscyllium laticeps from Australia,... Download Scientific

Home Identifying Your Eggcase Identifying Your Eggcase Congratulations on your exciting find (s)! We expect you're eager to find out which species this belongs to! So let's get started. PREPARE YOUR EGGCASE Once at home, we recommend preparing your eggcase (s) by doing a bit of bucket science.


Puffadder Shyshark Egg Case 001 Sharks and Rays

THE PROJECT The Great Eggcase Hunt began in 2003 following a chance find on a beach in Devon. The project quickly developed with the aim of getting as many people as possible out hunting for eggcases and recording their finds. Empty eggcases can help indicate species presence and diversity.


Chingum — Discover Curiosities The spiralflanged egg case of a Horn Shark

As egg cases are exposed to the sea environment for a time, "they'll start to get like little coralline algae and things growing on them, which actually help camouflage them a little bit," adds Ebert. Yet, some predators do find a way in, such as sea snails called whelks.


Epaulette Shark Egg Case Project Noah

The Great Eggcase Hunt has landed on Australian shores, calling on citizen scientists to look for egg cases underwater or washed up on beaches. Sharks and their cousins - rays, skates and chimaeras - have very diverse ways of reproducing. These ways include: multiple paternity, where the litter has more than one father


Egg Case » GagDaily News

SHARK & SKATE EGGCASES Click on the arrow to the right of the species names below to find out more about their eggcases. Shark species are listed first, followed by skates. We've then ordered them from the most commonly found to the rarest to help you more easily identify your find (s).


Japanese Bullhead Shark Egg Case 002 Sharks and Rays

The top of the egg case will open and a fully formed shark or skate will emerge, where it will have to fend for itself from the moment of birth. Once empty, the egg cases, also known as 'mermaid's purses', often wash up on the beach.. Snapshot from one of the Shark Trust's downloadable eggcase ID guides (click image to.


Shark Egg Case Identification Understanding the Importance

The app identifies which species belong to an egg case. (Supplied: Helen O' Neill) In collaboration with UK-based Shark Trust, the CSIRO has launched a citizen science project called the Great Eggcase Hunt Australia, which is supported by the Shark Trust App.


Shark Egg Case Identification Understanding the Importance

5 Photos CSIRO, Australia's national science agency, is calling on citizen scientists to find and record egg cases washing up on Australian coasts, so researchers can better-understand oviparous chondrichthyans: egg-laying sharks, skates and chimaeras.