''Channa harcourtbutleri'', the Burmese snakehead, is a species of
snakehead endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to
Inle Lake and surroundings in
Myanmar
Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...
. Locally called ''nga ohn-ma'', among aquarists it is considered one of the
dwarf snakeheads, but no significant import for aquarists is known. It is one of the smaller species of snakehead and has a
standard length
Fish measurement is the measuring of individual fish and various parts of fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology.
Overall length
Standard length (SL) is ...
of up to .
The
specific name Specific name may refer to:
* in Database management systems, a system-assigned name that is unique within a particular database
In taxonomy, either of these two meanings, each with its own set of rules:
* Specific name (botany), the two-part (bino ...
honors Sir
Harcourt Butler
Sir Spencer Harcourt Butler (1 August 1869 – 2 March 1938) was an officer of the Indian Civil Service who was the leading British official in Burma for much of his career, serving as Lieutenant-Governor (1915–17 and 1922–23) and later Go ...
, a
British
British may refer to:
Peoples, culture, and language
* British people, nationals or natives of the United Kingdom, British Overseas Territories and Crown Dependencies.
* British national identity, the characteristics of British people and culture ...
governor in the region.
This was for a long time considered to be a junior synonym of ''
Channa gachua''. In fact, both species closely resemble each other. The article on its revalidation only mentions three discriminating features, such as the missing
ocellus
A simple eye or ocellus (sometimes called a pigment pit) is a form of eye or an optical arrangement which has a single lens without the sort of elaborate retina that occurs in most vertebrates. These eyes are called "simple" to distinguish the ...
in the
dorsal fin
A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous. They are found ...
of a juvenile ''Channa harcourtbutleri''. It is suspected to be a
mouthbrooder
Mouthbrooding, also known as oral incubation and buccal incubation, is the care given by some groups of animals to their offspring by holding them in the mouth of the parent for extended periods of time. Although mouthbrooding is performed by a va ...
and eats a wide range of foods, including
arthropod
Arthropods ( ) are invertebrates in the phylum Arthropoda. They possess an arthropod exoskeleton, exoskeleton with a cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate, a body with differentiated (Metam ...
s and small fish, but unlike in some relatives, no
frog
A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
s.
References
;Sources
*
*
*
External links
*
snakeheads.org
harcourtbutleri
Fish described in 1918
Taxa named by Nelson Annandale
{{Anabantiformes-stub