northern snakehead characteristics

Northern snakehead fish have long, narrow bodies with long dorsal and anal fins. Northern snakehead demographic characteristics vary among locations in its native range, as shown by differences in mean mortality rates and fecundity, but we found no quantitative measures of this variability (Ma et al., 1999, Ma and Xie, 2000, Wu et al., 2000a, Wu et al., 2000b). The northern snakehead (C. argus) has been a market leader, and is cultured in China and Korea. This species has been exported to other nations, including Canada and the }νbN�'X��ح�x9��b9D�=�|g��V2&y-b��{?�Z1_ܠ$G'��6��I��F��2IY��$K�}�2��P}�5&�*�M��Z1-փ�>>V̭��;И3�^ �I��op��ܛ;*��o��G�"�L��)e��j�S'.Qu��0�3��2r"E�M�s�#�`N��-(E3��8S)V,�m`��PMѦ��V$'x�b��O`�Ȇ�cw��SS�v��'�3�E�0�&-o:��QI�qL��)�V{V�Q��E�LW)#��z��a�vt��o��+�U�ט�}�Y��}s�&��S��^Ѯę/�ڤ��-F�cæ�C0��u��d^��"W�yn��YL�ћ��*UQЍ�� r�+R�"�nѝ��a�($�M�G��%��Dlp��z ��4��m"�+r!�\��i��+*�i�3�$fIW�Yrp�I��Z@��/��i��2�9�V�e�6k��H P��˭�r�x.��b�dm�p��4��^��~-h�9�4bQ�G�a9B��-m��O�=x�C�E,�-��ZҖ3< iMاzګ��(\WT�܌��)�H�NW�y�}Cp�/BK��T�gDк�"�Fsm��Kk�v��v�l��`��*��kG�#f2�y�MAU� ��j��)� `�N� 2007, Mendoza-Alfaro et al. In the past, these fish were sold in pet stores and in Asian fish markets. U.S. Distribution: Northern snakehead fish have been reported in a handful of states on the east coast and in California. 1. %�� Description of the Snakehead. Introduction. They are actually a facultative air breather, and use a suprabranchial organ and a bifurcated ventral aorta that permits aquatic and aerial respiration. 29 0 obj << /Linearized 1 /O 31 /H [ 1340 306 ] /L 344566 /E 167866 /N 2 /T 343868 >> endobj xref 29 46 0000000016 00000 n 0000001267 00000 n 0000001646 00000 n 0000001853 00000 n 0000002116 00000 n 0000002212 00000 n 0000002284 00000 n 0000002789 00000 n 0000003605 00000 n 0000003628 00000 n 0000018897 00000 n 0000018920 00000 n 0000033749 00000 n 0000033772 00000 n 0000047668 00000 n 0000047691 00000 n 0000061339 00000 n 0000061362 00000 n 0000074859 00000 n 0000074882 00000 n 0000089116 00000 n 0000089937 00000 n 0000090311 00000 n 0000090759 00000 n 0000091318 00000 n 0000091647 00000 n 0000092465 00000 n 0000092488 00000 n 0000106413 00000 n 0000106436 00000 n 0000118827 00000 n 0000126221 00000 n 0000126299 00000 n 0000126376 00000 n 0000132195 00000 n 0000133092 00000 n 0000137008 00000 n 0000142637 00000 n 0000151404 00000 n 0000152036 00000 n 0000157066 00000 n 0000157698 00000 n 0000162170 00000 n 0000162802 00000 n 0000001340 00000 n 0000001625 00000 n trailer << /Size 75 /Info 26 0 R /Root 30 0 R /Prev 343858 /ID[<512f1be0f312020303c4b118fca1a611><5f3c247b5a98197dbb27394e97c11682>] >> startxref 0 %%EOF 30 0 obj << /Type /Catalog /Pages 28 0 R /Metadata 27 0 R >> endobj 73 0 obj << /S 108 /Filter /FlateDecode /Length 74 0 R >> stream H��Wێ]��)�H�tWwuu�&�(�D;��@��m�%_��Z�� +Rd�gz��ߺ�/��q=��Ö��ӥ�ǥ�. 2009, NSWG 2006). To minimize confusion among anglers, it is important to note and compare distinguishing features among these species. This species has the general characteristics that most species share, and elongated body with a long head. 2007). The Northern Snakehead, referred to in the science community as Channa Argus is an aquatic pest that originates from Eastern Asia and Russia and has a long torpedo shaped body. Its scales have a mottled pattern of light and dark brown. Their long dorsal fin stretches out almost … Historical imports to the U.S. have come from a wide range of source populations, including Nigeria, … Northern snakeheads are most readily identiﬁed by the long dorsal and anal ﬁns, the dark, irregular blotches along their sides, pelvic ﬁns located beneath the … Given the right environmental conditions, this invasive species can prey on and compete with other fish, upsetting the natural balance of local ecosystems. Their extended body reaches up to 83 cm long (33 inches). <>>> It has tan, dark brown or black coloring with a mottled, snake-like pattern. The fish is quite variable in appearance. Snakehead fish may vary size depending on their age and location, but grow to be up to 4 feet in length. The northern snakehead fish has a large mouth with a strong jaw and sharp, canine-like teeth. %PDF-1.2 %�� endobj In this study, the melanocytes in the skin of two distinct color morphs C. argus were investigated and compared through employment of the microscopic analysis, hematoxylin and eosin (H&E) and Masson Fontana staining. Rest of the most important economic and conservational fish in China Concern: as with many non-native and species! To other water bodies, and shiny teeth the live food fish market ( NSWG 2006 ) snakehead fish no... Of its back their live possession, '' Commissioner Seggos said level predator fish known! 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