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Elasmobranch Enthusiasts (Part 4): Modern Husbandry—Reproduction

Different elasmobranchs produce different styles of egg cases. Shown right to left: Brown Banded Bamboo Shark, Clearnose Skate, and White Spotted Bamboo Shark.From the ferocious great white shark (Carcharodon carcharias) to the graceful white-spotted eagle ray (Aetobatus narinari), Elasmobranchii are a diverse group of boneless fishes that are circumglobal, inhabiting a diverse array of habitats, temperature ranges, salinity, and niches in the world’s oceans and rivers. It is no wonder that these unique creatures, while usually boasting comparably bland coloration to the typical teleostei reef fishes, pique the interest of pretty much every hobbyist. This group of fishes definitely has its challenges but, with proper information and species selection, can be kept fairly easily by a moderately skilled aquarist with a generous budget. Breeding and raising elasmobranchs You may skim over this installment of Elasmobranch Enthusiasts because your goal maybe isn’t to breed them…but you shouldn’t! Many elasmobranchs that are sold in stores are eggs or babies, and special care needs to be taken to provide the right conditions to be successful with these smaller, more delicate aquatic animals. Because it is just the beginning of our “baby” season right now, this the perfect time to talk about elasmobranch reproduction. The birds and bees Male and female elasmobranchs are morphologically different from each other. More: Elasmobranch Enthusiasts (Part 4): Modern Husbandry—Reproduction

PADI Unleashes Fancy New Scuba Diving App

16114_10154825778800570_572127924437975842_nAnd given my impending certification, this couldn’t have happened at a better time, but more on that at a later date. The app is available to all iOS and Android users and has a wealth of really super duper cool features like a dive center locator, dive tool checklists, top destinations, PADI eCard access, dive logs and more! Naturally, the best way to give you an idea of whether this app is worth the space on your mobile device was to download it and try it out for myself, so here are my thoughts. MORE

Reef Threads Podcast #206

reefthreads It’s time once again to do the marine-aquarium hobby podcast thing that we do. This week’s subjects are our “Where Do You Listen” contest, the St. Jude/Reef Savvy reef system raffle, women in the hobby, lionfish videos, Ret Talbot’s new series, hobby expense, and mysis shrimp and other frozen foods. Download the podcast here, or subscribe to our podcasts at iTunes. Also, follow us on Twitter at reefthreads.—Gary and Christine More: Reef Threads Podcast #206

Checkin’ Out Will’s Mixed Reef Tank

 I haven’t done a tank video in a long time, mostly because I’m a hermit, but I did manage to get out of my pajamas and visit my friend Will. Will is a long-time customer of Tidal Gardens More: Checkin’ Out Will’s Mixed Reef Tank

Fish Faces, Caribbean Fish Face Photos

Good morning friends, here’s a few more “fish faces” for your viewing pleasure today that I got yesterday morning right here on our own Substation house reef! Most of you know that for the past year I have been really trying harder than usual to get some fun fish face photos but as it turns out these are the hardest photos I have ever tried to shoot! Why you ask?? Go ahead ask why!! Fish are not prone to look a diver or a potential predator in the face, they just want to flee! I spend most of my dives in hot pursuit and mostly taking tail shots. MORE

Adélie Penguins Are Filthy, Immoral Flightless Birds – And Seals Don’t Have Clean Hands Either

2014-11-17_1506Man, and they all just stand there and watch? It was documented quite some time ago, but deemed too ‘scandalous’ for the times to be revealed by Antarctic scientist George Murray Levick. He was appalled by their debauchery – with one particular incident marring his image of penguins forever during his 1910-1913 expedition. Read more and take in some video, if you dare.MORE

Researchers Focus On Sand Shark Propagation

animals-SandTigerShark-slide2-webSand Tiger Sharks look fierce, they are the quintessential, stereotypical ‘man-eater shark’ with their jagged, razor sharp teeth protruding out of their mouth. Basically, the ticket item many aquarium visitors expect to see in exhibits.. As such, they are a popular exhibit animal in large public aquarium tanks. There are approximately 200 sand tiger sharks on exhibit in public aquariums and zoo’s in America. Although they look scary, they are relatively docile sharks that are easy to care for in captivity. However, Sand sharks in captivity do not breed easily, since the environment in captivity does not mimic the seasons and changes in the wild. Sand shark population in the wild is at low levels because of fishing nets and shark fin poaching, and the slow maturing reproduction in the species. MORE

Red Sea unveils “REEFER™” range of rimless reef-ready systems

A press release from Red Sea has just come in – read on: REEFER™ systems enable hobbyists to create an affordable customized reef aquarium of their very own, by seamlessly integrating their preferred choice of equipment into the REEFER™’s advanced sump and water management system. The REEFER™ Series combines a contemporary, rimless, ultra-clear glass aquarium with a stylish cabinet and a comprehensive water management system, including a professional sump, integrated automatic top-up, and Red Sea’s unique silent down-flow system. Incorporating technologies originally developed for Red Sea’s all-in-one MAX® coral reef systems, the Reefer series is designed for ease of operation while enabling hobbyists to install an unlimited choice of lighting, filtration, circulation and controllers in order to create a uniquely customized system. Offered in 5 sizes from a 45cm (18”) Nano to a full size 150cm (5’) aquarium, Red Sea’s REEFER™ systems provide a stunning visual centerpiece in any home or office. Main features of the new Red Sea REEFER™ Series include: Rimless, super-clear, beveled edge glass aquarium Elegant Marine-Spec cabinet Professional sump with constant height skimmer chamber and micron filter bags Integrated automatic top-up with reservoir Silent, regulated down-flow system with emergency overflow Assembly-ready piping – no gluing required For additional information please visit More: Red Sea unveils “REEFER™” range of rimless reef-ready systems is the world's leading destination for sustainable coral reef farming and the aquarium hobby. We offer a free open forum and reef related news and data to better educate aquarists and further our goals of sustainable reef management.