Three new Brazilian killifish species

AvatarBy Leonard Ho 4 years agoNo Comments

Three new Brazilian killifish species


Melanorivulus flavipinnis

These new killifish species are part of the Melanorivulus dapazi group.  They are similarly tiny (~28mm / 1.1″ standard length) and have the same body form and common pigmentation.  But they are visibly different.  Their latin names are easy to remember because they are based on these differences.  M. ignescens has more red in its fins (“igenscens” means “inflamed”)  while M. flavipinnis has more yellow in its fins (“flavipinnis” means “yellow fins”).  M. regularis has regularly spaced banding on its caudal (tail) fin.

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Melanorivulus regularis

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Melanorivulus ignescens

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  Advanced Aquarist
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About

 Leonard Ho

  (1698 articles)

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.

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