Istiophorus platypterus
photo by University of Western Australia (UWA)

Family:  ()
Max. size: 
Environment: 
Distribution: 
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 47-53; Anal spines: 2-2; Anal soft rays: 12-15. This species is distinguished by the following characters: slender elongate and fairly compressed with a high, sail-like first dorsal fin; upper jaw prolonged into a very long beak, slender and round in cross-section; jaws and palatines with villiform teeth; no gill rakers; two dorsal fins, the first very large (42-49 rays) the second small (6-7 rays); pectoral fins 18-20 rays; pelvic fins I, 2 soft rays fused together, very long and narrow, depressible into a groove; caudal peduncle with double keels on each side; body covered with small, embedded scales with 1 or 2 blunt points. Colour of back dark with about 20 bluish vertical bars; belly pale silver; membrane of first dorsal fin blue- black with numerous dark spots; bases of first and second anal fins often tinged with silvery white; remaining fins blackish brown or dark blue (Ref. 43, 26938).
Biology: 
IUCN Red List Status: Ref. (130435)
Threat to humans: 
Country info:   
 


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