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Anableps, the So-Called Four-Eyed Fish
Four-Eyed fishes are members of a genus, named Anableps, and so are often called Anableps. These fishes have oblong eyes that extend above their heads and are divided into a part above the water and a part below the water. Each eye has two pupils and two retinas; this arrangement allows Anableps to see both below and above the water surface at the same time. Click here to see a close up of an Anablep eye. Four-eyed fishes are livebearers that only mate on one side: right-"handed" males with left-"handed" females or vice versa. These fishes inhabit freshwater, brackish water, and rarely saltwater. They naturally live in northern South America and as far north as southern Mexico. Tom and Nevin discuss Anableps during this show.
Links to "Fish in the News" from Robert in NJ.
Hi Tom & Nevin, hope you had a happy New year. Here is the Fish in the news. I have a question that I was asked by a LFS owner that I just met he is having trouble with their buffalo head cichlids they have raised them since they were an inch long their water is good they do 20% twice a week pwc they are now about 4” and they have been losing them a couple a week. I had no experience with those fish but I remembered that you had once said that some cichlids do not like fresh water so I suggested that they age the water. Was I right? Your friend, Robert In NJ
Now, I have added a mystery fish, and it is very clear, the only hint you have: it's a cichlid which has become important in aquaculture and has established populations in the southern parts of the US. Now, here's the mystery fish.
Special thanks, as usual, to Jourdan in Connecticut for emailing us these links and the picture of this week's mystery fish.
Callers during this Show
Jourdan from Connecticut
Evan from Colorado says
The Bailey Brothers
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