Characteristics
Many of the Betta species are compact fishes, but they vary a great deal in size, ranging from under two . 5 cm (1 in) total length in T. chanoides to 12. some cm (5 in) during the Akar betta (B. akarensis).
Bettas are anabantoids, that means they can breathe atmospheric oxygen using a unique organ the labyrinth. This accounts for their whole ability to thrive in low-oxygen water conditions that would obliterate most other fish, such as hemp paddies, slow-moving streams, drainage ditches, and large puddles.
The various bettas can be divided in to two groups, based on their whole spawning behaviour: some build up bubble nests, such as T. splendens, while others are mouthbrooders, such as B. picta. The exact mouthbrooding species are sometimes termed "pseudo bettas", and are from time to time speculated to have evolved from the exact nest-builders in an adaptation in their fast-moving stream habitats.
Identity
Much confusion in words often occurs regarding most of these fish. Siamese fighting striper, B. splendens, are frequently bought from the United States simply as "bettas". Fish fanciers are consequently often unaware that, associated with 2006, around 65 race are classified within the genus Betta. A further source of bafflement is that while the generic identity Betta is italicized plus capitalized, when used as the common name it is usually or italicized nor capitalized. The common name with B. pugnax, for example , can be thus Penang betta.
Its name Betta (or betta) can be pronounced /ˈbɛtə/; the first part is the same as the exact English word bet. By way of confusion with the name of your Greek letter beta, its name is often pronounced /ˈbeɪtə/ around American English, and may often be misspelled with one 't'. The name of the genus is not related to that of the Greek document, being derived from the Malay word ikan betah ("persistent fish").
Diet
Wild Betta fish are hardy which enable it to eat almost anything in their areas, including worms, larvae with mosquitoes or other insect damage, and even smaller fish. Their whole natural environment is often resource-limited, lots of Betta species have bit of choice of food.
Conservation
Even though Betta species are common plus B. splendens is all-pervasive in the aquarium trade, many other bettas are threatened. The exact IUCN Red List classifies several Betta species like Vulnerable. In addition , B. livida is Endangered, and T. miniopinna, B. persephone, plus B. spilotogena are Very seriously Endangered.
The Not Environment Programme lists a strong unconfirmed species, Betta cf. tomi, as having develop into extinct in Singapore amongst 1970 and 1994. This likely appertains to the extirpated Singaporean population with B. tomi, which continue to be exist in the wild around Indonesia and Malaysia, in captivity; the Red Catalog classifies it as Vulnerable.
Race
A female Betta splendens
One can find currently 73 recognized race in this genus. The right now described Betta species is often grouped into complexes pertaining to conservation purposes. (This collection of species makes virtually no claim at representing your phylogenetic reality. ) The exact complexes of the associated race are:
B. akarensis difficult:
Betta akarensis Regan, 1910 (Akar betta)
Betta antoni H. H. Tan plus P. K. L. Ng, 2006
Betta aurigans They would. H. Tan & Ok. K. P. Lim, 04
Betta balunga Herre, 1940
Betta chini P. Ok. L. Ng, 1993
Betta ibanorum H. H. Auburn & P. K. Acting area. Ng, 2004
Betta obscura H. H. Tan plus P. K. L. Ng, 2005
Betta pinguis They would. H. Tan & Kottelat, 1998
B. albimarginata difficult:
Betta albimarginata Kottelat plus P. K. L. Ng, 1994
Betta channoides Kottelat & P. K. Acting area. Ng, 1994
B. anabatoides complex:
Betta anabatoides Bleeker, 1851 (giant betta)
Betta midas H. H. Auburn, 2009
B. bellica difficult:
Betta bellica Sauvage, 1884 (slim betta)
Betta simorum H. H. Tan plus P. K. L. Ng, 1996
B. coccina difficult:
Betta brownorum K. Y. Witte & J. Schmidt, 1992
Betta burdigala Kottelat & P. K. Acting area. Ng, 1994
Betta coccina Vierke, 1979
Betta hendra I. Schindler & Linke, 2013
Betta livida Delaware. K. L. Ng plus Kottelat, 1992
Betta miniopinna H. H. Tan plus S. H. Tan, year 1994
Betta persephone Schaller, 1986
Betta rutilans K. Y. Witte & Kottelat, 1991
Betta tussyae Schaller, 85
Betta uberis H. They would. Tan & P. Ok. L. Ng, 2006
T. dimidiata complex:
Betta dimidiata T. R. Roberts, 1989
Betta krataios H. They would. Tan & P. Ok. L. Ng, 2006
T. edithae complex:
Betta edithae Vierke, 1984
B. foerschi complex:
Betta dennisyongi They would. H. Tan, 2013
Betta foerschi Vierke, 1979
Betta mandor H. H. Auburn & P. K. Acting area. Ng, 2006
Betta rubra Perugia, 1893 (Toba betta)
Betta strohi Schaller plus Kottelat, 1989
B. picta complex:
Betta falx They would. H. Tan & Kottelat, 1998
Betta picta (Valenciennes, 1846) (spotted betta)
Betta simplex Kottelat, 1994
Betta taeniata Regan, 1910 (Borneo betta)
B. pugnax difficult:
Betta apollon I. Schindler & J. Schmidt, 2006
Betta breviobesus H. They would. Tan & Kottelat, 98
Betta cracens H. They would. Tan & P. Ok. L. Ng, 2005
Betta enisae Kottelat, 1995
Betta ferox I. Schindler plus J. Schmidt, 2006
Betta fusca Regan, 1910 (dusky betta)
Betta kuehnei I just. Schindler & J. Schmidt, 2008
Betta lehi They would. H. Tan & Delaware. K. L. Ng, 2006
Betta pallida I. Schindler & J. Schmidt, 04
Betta prima Kottelat, year 1994
Betta pugnax (Cantor, 1849) (Penang betta)
Betta pulchra H. H. Tan plus S. H. Tan, 1996
Betta raja H. They would. Tan & P. Ok. L. Ng, 2005
Betta schalleri Kottelat & Delaware. K. L. Ng, year 1994
Betta stigmosa H. They would. Tan & P. Ok. L. Ng, 2005
T. splendens complex:
Betta imbellis Ladiges, 1975 (crescent betta)
Betta mahachaiensis Kowasupat, Panijpan, Ruenwongsa & Sriwattanarothai, this
Betta siamorientalis Kowasupat, Panijpan, Ruenwongsa & Jeenthong, this
Betta smaragdina Ladiges, 72 (Blue betta)
Betta splendens Regan, 1910 (Siamese struggling with fish)
Betta stiktos They would. H. Tan & Delaware. K. L. Ng, 2006
B. unimaculata complex:
Betta compuncta H. H. Auburn & P. K. Acting area. Ng, 2006
Betta gladiator H. H. Tan plus P. K. L. Ng, 2005
Betta ideii They would. H. Tan & Delaware. K. L. Ng, 2006
Betta macrostoma Regan, 1910 (spotfin betta)
Betta ocellata de Beaufort, 1933
Betta pallifina H. H. Auburn & P. K. Acting area. Ng, 2005
Betta patoti M. C. W. Weber & de Beaufort, 1922
Betta unimaculata (Popta, 1905) (Howong betta)
B. waseri complex:
Betta chloropharynx Kottelat & P. K. Acting area. Ng, 1994
Betta hipposideros P. K. L. Ng & Kottelat, 1994
Betta pardalotos H. H. Auburn, 2009[12]
Betta pi H. H. Tan, 98
Betta renata H. They would. Tan, 1998
Betta spilotogena P. K. L. Ng & Kottelat, 1994
Betta tomi P. K. Acting area. Ng & Kottelat, year 1994
Betta waseri Krummenacher, 1986
No comments:
Post a Comment