Friday, February 18, 2011

Atlantic Longbill Spearfish.....


Diagnosis: body moderately slender, bill long, rather slender and round in cross-section, nape rising smoothly to dorsal fin origin. Pectoral fins long, much greater than post-orbital part of head; pelvic fins a little longer, with moderately developed membrane; anterior lobe of first dorsal fin not sharply pointed, its height a little more than body depth. remainder of fin about equal to body depth, with 44-50 finrays, second dorsal fin with 6-7 finrays; first anal fin with 12-17 finrays, second with 6-7 finrays; anus well in front of first anal fin origin (by more than half the height of that fin). Scales on midbody rough and elongate. densely embedded, with several posterior spines. Colour: back blue black, flanks and belly silvery. Size: to about 2.5 m TL.

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