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The egg case is very smooth and lacks external fibrous material. [1] This egg case can be easily identified from all others in that it is the only one to have a steep ridge; giving the case a convex shape. [1] The keel on the egg case is considered very broad; representing 30–33% of the width of the egg case. [1]
The Shark Trust holds outreach and engagement events for the public. One of the biggest projects is The Great Eggcase Hunt. This project empowers the public to find shark, skate and ray eggcases on their beach and log them. The data is used to monitor species distribution. [5]
Longnose chimaeras are members of the class Chondrichthyes, diverging from their closest relatives (sharks, rays, and skates) approximately 400 million years ago. [9] Like many other Chondrichthyes, longnose chimaeras reproduce by laying eggs. [7] Egg cases consist of a central chamber surrounded by a web-like structure. [6]
Track tagged sharks with Ocearch app. White shark pictured here. Contributed by Atlantic White Shark Conservancy. The environmental non-profit Ocearch offers an oceanic awareness app, ...
The egg case of the puffadder shyshark has a different color pattern than those of other shysharks. The puffadder shyshark is oviparous; there is no distinct breeding season and reproduction occurs year-round. [14] Females deposit egg capsules one or two at a time, attaching them to vertical structures such as sea fans. [12]
Sharktivity: Shark activity tracker. Michalove tagged LeeBeth for his research with the Atlantic White Shark Conservancy.The AWCS's mission is to "support scientific research, improve public ...
Called Fin Spotter, it identifies individual sharks and their species in images, to track if that particular shark has been spotted before – a useful tool for conservationists trying to protect ...
The ridged-egg catshark (Apristurus ovicorrugatus) [1] is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This shark is found in the deep waters off northwestern Australia. [2] [3] The species name refers to the ridges on the egg case.