"When the going gets tough, the tough get going. " (cited John Belushi)
This that knows him well this small euryhaline fish.
After a new discovery, an old curiosity.
Kryptolebias marmoratus (Poey, 1880) is a small Cyprinodontidae that has made the need virtue.
Like most beings is euryhaline abitutato to changes in the values \u200b\u200band conditions, respiratory system has a very interesting, managing to survive for long periods in tree holes and in holes dug by crabs.
The most surprising thing is the reproductive mode because, along with K. ocellatus, is the only fish capable of reproduction by females hermaphrodite, capable of generating fertile eggs, fertilized in parallel to the one shared with males.
My guru of the killifish, Marco Vaccari, gave me a bit 'straight to their breeding in the aquarium, you should simulate the change of seasons alternating periods of fresh water almost at times almost salty. (A little 'time ago there was talk about the creation of a mortgage AP tides, then it did not nothing more, but the idea was interesting.)
All this talk is to say that the niches are many, but the species as well ...
For more information please refer to these two links (both found a video of the tens of K. marmoratus inside a tree trunk):
For more information please refer to these two links (both found a video of the tens of K. marmoratus inside a tree trunk):
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