How to Tell if a Marine Fish Is Dying of Old Age

Large coral colonies and adult surgeonfish in Key LargoWe aquarists try very hard to keep our animals alive as long as possible for a few reasons. The first is that we are caring people and don’t want to see them hurt. The second is that our specimens cost us a lot of money. Exactly how much money depends a little on the care we provide. For example, if we buy a purple tang for $100 and it lives for 10 days, then that fish cost us $10 a day to enjoy. I would say that is an expensive fish! But if that same fish lives ten years, then it costs us maybe around three cents a day (I didn’t do the math, but you get my point)

Freshwater Dips and Seahorses

Occasionally a seahorse hobbyist runs into a situation where a freshwater (FW) dip is indicated. A FW Dip can be used as both a therapeutic and a diagnostic tool. As a therapeutic tool it can help rid the seahorse of ectoparasites on the body, in the oral cavity, as well as in the gills. As a diagnostic tool, observation during the dip will give you a good idea if there is a parasitic load or not. It can also be done prophylactically on new arrivals from suspect sources, on wild caught (WC) specimens or when a tank mate has had known parasitic load. We have been doing FW Dips for over 11 years. We have found that every species we have encountered has handled FW Dips just fine

Not Dwarf Seahorses, Baby Seahorses

Left, Tiger Tail seahorse from MaryG, right Dwarf Seahorse, photo by Felicia McCaulley Regular readers of FusedJaw.com are aware of my concern over juvenile seahorses being sold far too small and young. It came to my attention recently that sometimes very young juveniles of larger seahorse species are being sold as Dwarf Seahorses Hippocampus zosterae due to the exceptionally small size they are being sold at. This issue came to light by way of the our forum member Maryg. She asked to confirm the species of a couple seahorses sold through her local fish store as dwarf seahorses. The seahorses in question were in fact juvenile Tiger Tail Seahorses Hippocampus comes

Seahorse-Inspired Engineering

A team of engineers at Clemson University, led by Michael M. Porter, have created a 3-D printed model of a seahorse’s tail in the hopes of finding out if the tail’s unique shape – an organization of square prisms surrounded by bony plates that are...
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