As you listen to Pet Fish Talk, you can also follow other underlined links to related web pages with pictures, videos, and more information about the topics being discuss during the show.
Fish in the News from Robert in New Jersey
Hi Tom & Nevin, Here is this week's FITN. This week it started off with nothing but boring stories but I didn't give up till I found some very interesting ones. There does seem to be a theme but that was unintended. I found a story about fish teeth that is one of your favorite topics from shows past. I learned that if the stories facts are correct that Lionfish only have each other as predators. There are some stories about sharks for Nevin. Hope that balances out the news about whales and whale sharks which are 2 of my favorite topics. Your Friend, Robert In NJ
As usual a big special thanks to Robert in NJ for sending us this avalanche of links to fish in the news. Week after week Robert finds an amazing combination of stories. There is no other such list anywhere. Try going to Google and searching for "tropical fish" or "aquariums" or anything else. You won't find a list of stores about fish like these. As we often say, "Thank you, Robert." If you want to comment on one of these links, call the show.
Tom's Angels Keep Growing with Richer Coloration.
The picture just above shows one of the Angels living in Tom's 55-gallon Angelfish Aquarium. This fish is probably a female and was golden with an orange cap area above its eyes, but lately her whole body has turned this orange color with a beautiful metallic luster. Apparently this Angel has one gene for marble and so has just a few black markings.
The New Rainbow Sharks
Tom has two new Rainbow Sharks that live in the 55-gallon aquarium with the Angels, Serpae Tetras, Sterbai Cory Cats, and Bushymouth Plecostomus. So far the Rainbows have not caused any problems. One Rainbow, the one shown in both of these pictures, is always out and investigating the aquarium, but the other one hides inside the hollow ceramic ornaments most of the time. This type of shark is often called a Red-Finned Shark for good reason !! This Shark has quickly grown longer and plumper with better coloration. It's exciting to watch fish, like this one, grow-up. By the way this fish loves the ceramic driftwood logs that are shown in this picture. Click here for more about the logs.
Bushymouth Plecos Eyes are Unique.
Here's one of the young female Bushymouth Plecos. You can see that she has just a few very short tubercles on her upper "lip". You can also see her unique omega-eye.
A Close-up of the same Fish's Omega-Eye.
The iris in this eye does not expand and contract. Instead the omega-flap at the top of eye expands and contracts. The is has the same effect of allowing more or less light into the eyes. But what effect does it have on the optical properties of the eye, and why has this eye evolved?
Another Picture of an Omega-Eye
Just above is another picture of an omega-eye, and in this picture the flap at the top of the iris is more open to let in less light. So you can see this flap expands and contracts to control the amount light getting into this fish eye. The iris in your eye contracts and expands to control the light getting into your eye.
Young Mature Male Serpae Tetras
Shown above are three young mature male Serpae Tetras swimming around each other in a circle and showing each other how big their fins are.
A Young Mature Female Serpae Bulging with Eggs.
This is a young mature female Serpae, whose belly looks like it's beginning to fill with eggs. You can see this fish does not have as much white trim on its fins as the males.
Young Male Serpaes Showing Off their Fins.
Even though these males are very young, they've got more white on their fins and a slimmer body than the females. For a few weeks these Serpaes have been living in group of about a dozen Serpaes in a 55-gallon aquarium with several large mature Angelfish, many Sterba's Cory Catfish, a few Bushymouth Plecostomus, and now two Rainbow Sharks. All of these tropical fish species are highly recommended.
A Mouthful of Babies
The pictures above show a young mature female so-called Red Zebra. She spawned about 10-days ago, and with a bit of imagination you may be able to convince yourself that you can see some of her babies inside her mouth.
Callers during this Show
Heather from Point Loma in San Diegocalls and talks about being a volunteer on the New Horizon, a ship operated by the Scripps Institute of Oceanography. Heather worked from 4pm to 4am during the 14-day cruise to investigate myctophids, which are among the most numerous fishes in the ocean. Click here to learn more.
Bonnie from Iowa calls and says she's got a third pond, and she has set it up without a filter or aeration.
Bennett from Michigan calls and talks about his Firemouth Cichlids. Bennett surprises Tom and Nevin by reporting that he has two males that worked together to guard three patches of eggs that were close together and have now hatched.
Evan from Colorado sent an email saying he'd try to call from Norway!! Tom and Nevin tried to keep the phone open and even stayed an extra 20-minutes but Evan never called. Fellow Norwegian Tom was wondering if maybe Evan got sidetracked eating a bowl of "pickled herring" or “makrell i tomat” (Norwegian for mackerel in tomato sauce), which is very understandable.
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