Segment One.  First we quickly summarize last week's show. Then ...   Nevin reads a recent news story about seven giant clams that were recently stolen from the Waikiki Aquarium then returned about a week later. Nevin explains some of unique biology of these clams.   Aaron from Sacramento says he listened to the Pet Fish Talk Show about Jellyfish and wants to know if there have been recent advances in the hobby of keeping Jellyfish in the United States? Click here for more about Jellyfish. Click here for more about keeping Jellyfish in aquariums.   Click here to listen to a recent Pet Fish Talk Segment, which includes information about creating rock work in an Mbuna Cichlid aquarium.   Rita has a 30-gallon aquarium and wants "more aggressive" fish like Sharks. Click here for more information about Red Tail Sharks, here for more about Rainbow Sharks, here for more about Dwarf Cichlids from Lake Tanganyika, and here for more about Angelfish.   Nathaniel asks how to determine the gender of Sharks?   Dan from Dallas calls and describes in detail his successful and very simple method for keeping live plants in an aquarium using the mineral called laterite and a special 50-50 actinic light bulb, that's usually used in saltwater aquariums.       Segment Two.  Jennifer asks about adding Frogs to her aquarium and what type of Frog to add? Click here for more Aquarium Frogs. Click here for more about Black Worms.   John from Brisbane, Australia, wants to get some female Endler's Livebearers to go with his males.   John from Melbourne, Australia, says his aquarium has some dust-like particles, and he wonders how to get rid of these particles.   Dax asks if a Dwarf Puffer Fish would be compatible with a Angelfish? Click here for more about Pufferfish.   Gwen learned about Pet Fish Talk from a PETsMART store. She has a layer of gravel 1" deep, and she wants to know if she can just remove it with a net. Click here for more information about Gravel Washing.   Diane has a 35-gallon aquarium with some Neon Tetras. One of those Neons has a dark spot on its nose. What might this be? Click here for information about the Signs of Stress and Disease.   Nevin mentions, that for the first time, some fish farmers are raising lots of Cardinal Tetras. We talk about breeding pet fish.       Segment Three.  Nevin remembers ogling the Auratus Mbuna Cichlids many years ago at Fountains Aquarium in El Cajon, California. We talk about this fish species, and the way that they change coloration as they mature.   Bill in Florence, Mississippi, has a lighting strip with some small blue diodes. He wants to know if he can leave it on all night? Click here for more aquarium lighting.   Alyssa wants to know if she can keep her Betta Fish with her Goldfish in a cool water aquarium?   Jennifer has a Guppy, a few Mollies, and two Male Swordtails in her aquarium. Tom says each of these livebearers lives best in a group with at least 3 males of their species plus about twice as many females. Click here for more information about keeping Livebearers.   Vince has two large Kissing Gouramis, which quarrel with each other, and Vince wants to know if this is normal. Click here for more about Kissing Gouramis in AquariumFish.net.   Josh from Ohio calls and adds to our conversation about Gouramis in general. We also learn that two of Josh's aquariums cracked.       Segment Four.  We continue talking to Josh from Ohio. Tom emphasizes not buying fish from fish stores that do not take excellent care of their fish, and what to look for when buying pet fish.   Kumar has two Clown Loaches in his 55-gallon aquarium, but he hasn't seen them in 10 to 12 days. Could they be hiding? We talk about fish hiding.   Carl from Albuquerque calls, and we review the slimy stuff that he had in his aquarium. Then we continue to talk with Carl about good advice for less experienced hobbyist.     There are lots of Pet Fish Talk Shows. Click here now to go to the Archive, where you'll find links to more than 360 Pet Fish Talk Shows.   Click here to go to our Search Page, where you can search for any topic that we have discussed in any show.