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Danio htamanthinus: a new danio species

By Leonard Ho - Posted Nov 01, 2016 09:00 AM
Danio htamanthinus is a new species of tropical fish from Southeast Asia. It represents the 25th valid species of this popular genus of small, schooling, hardy fish.
Danio htamanthinus: a new danio species

Photo of a recently collected live (but out of water) Danio htamanthinus.

The photo above depicts a live specimen photographed out of water, so it doesn't accurately reflect the live underwater appearance of this new species.  The Zootaxa paper describes Danio htamanthinus has having a "brilliant" red stripe from eye to caudal peduncle (tail).  It also features fins pigmented in bright yellow and black tiger-like stripes towards its bottom back half of its body (similar to Danio choprae).

Danio htamanthinus is so far only known from two small streams at Chindwin River in Myanmar (Southeast Asia).  Danio htamanthinus is most similar to Danio choprae and D.flagrans, which are both also from North Myanmar.  Sixteen of the 25 valid Danio species are found in Myanmar.

The beauty of some of these danios make them very popular for aquarists.  However, many of these Danio species (including D.htamanthinus) appear to have very limited wild distribution, which consequently poses a real danger of overfishing them for the aquarium trade.  The good news is that, like the recently discovered Celestial Pearl Danios (D.margaritatus) that were also in danger of overfishing due to their popularity, all danios have proven to be very easy to breed in captivity, and the new danio should prove no different.

Danio_htamanthinus2.jpg

Type locality where Danio htamanthinus is found

Author: Leonard Ho
Location: Southern California

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.

Website: http://www.advancedaquarist.com.

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