Cabezas de serpiente (familia Channidae)

Cabezas de serpiente (familia Channidae)
N omb res comu n es: Snakeheads (Inglés)
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James chang 1
Snakehead
Snakeheads are predatory freshwater fish of the family Channidae that includes two genera known as
Channa and Parachanna (1). The genus of Channa consists of 26 known species that are native to the
freshwater areas of Asia while the genus Parachanna consists of 3 species which are native to the
waters of tropical Africa(1). Snakeheads can be identified by its elongated dorsal and anal fins as well
as their flat snake like head with its protruding lower jaw (1, 2). Channidae are commonly referred to as
Snakeheads, this may be due to their elongated cylindrical bodies which are densely covered in large
epidermal scales; the head in particular are covered in large scales which resemble that of snakes(1).
Some snakehead species are small and can only reach a maximum length of only 17 centimeters, but
most can grow to sizes many times greater than this(1, 3). Some snakeheads have been reported to
grow over a meter in length(1). Snakeheads have the ability to breathe air due to a specialized organ
behind its gills known as suprabranchial or labyrinthine organs(1, 2, 3). Not only are these organisms
able to breathe air, but they have the ability to crawl short distances on land in order to migrate from
one freshwater ecosystem to another(1).
Statistics of barcoding coverage 2
Barcode of Life Data Systems (BOLD) Stats
Specimen Records:710
Specimens with Sequences:598
Specimens with Barcodes:551
Species:32
Species With Barcodes:32
Public Records:347
Public Species:31
Public BINs:50
References
1. © James Chang, some rights reserved
2. © Barcode of Life Data Systems, some rights reserved