Cruz’s Pearlfish (Notholebias cruzi)
This species was described in 1988, it was restricted to the coastal plains near Rio São João, Rio de Janeiro in southeast Brazil.
Cruz’s Pearlfish reached a length of only about 3 to 4 cm.
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The genus Notholebias contains at least four species, one of which is already extinct, the remaining three are close to extinction.
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References:
[1] Wilson J. E. M. Costa; Pedro F. Amorim: Delimitation of cryptic species of Notholebias, a genus of seasonal miniature killifishes threatened with extinction from the Atlantic Forest of south-eastern Brazil (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters 24(1): 63-72. 2013
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edited: 31.10.2017