Not sure if this is the right spot for this but I came across this guy while reading a book (Fishes: An Introduction to Icthyology 4th edition 2000 by Peter B. Moyle and Joseph J. Cech Jr)
Built in bifocals lol
Four-eyed fish - Wikipedia, the free encyclopedia
Those guys are pretty awesome. And they are livebearers. There is almost nothing fish haven't done. They're so interesting to study.
May I ask why you are reading that book? And what do you think of it? I'm always on the look for more Ichthyology texts.
I'm reading it cause it's about fish and it was $2.99 at the goodwill thrift store lol. It's pretty informative so far. I just finished Chapter 2(of 37) and the first 6 are about physical characteristics, how they move, why they move the way they do, how they breathe, how they float and so on. The swim bladder is connected to the ear btw.. if they have a swim bladder that is.
The authors at the time of publication were working on making a fish screen for aqueducts that would allow smaller fish (specifically focused on fish in the 4-8 cm range and the delta smelt) to escape and not get sucked onto the screen and die.
Neat. It's a little dated, but I'm sure there is some good info in there. I wonder if a more recent version has been published. I used the book Diversity of Fishes by Helfman for my ichthyology class and really enjoyed it. I highly recommend it. It's a brick but chock full of great info. And a new volume is published every 2 or so years. Fish Conservation by Helfman is another good book, but not full of as many pretty diagrams as Diversity of Fishes.
There was a 5th edition released in 2003. The book was written with the intention of it being used as a college textbook, junior/senior level specifically. For the most part it cuts strait to the facts but it does throw in specific examples sorta like bits of trivia.. Cloning? The Amazon molly has been doing it for a long time :) Suits what I wanted exactly, not that you can go wrong really for $2.99 lol If I wanted a story I'd go read a mystery or sci fi book lol.
That's one of the strangest looking fish I've ever seen. Strange but amazing. Thanks for sharing :)
Anableps have always creeped me out. But I here they're good pond fish.
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