Common names from other countries
Teleostei (teleosts) >
Carangiformes (Jacks) >
Istiophoridae (Billfishes)
Etymology: Istiophorus: Greek, istios = sail + Greek, pherein = to carry (Ref. 45335).
More on author: Shaw.
Environment: milieu / climate zone / depth range / distribution range
Ecology
.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 47-53;
Anal
spines: 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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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