ISTIOPHORUS PLATYPTERUS PDF

Most sources believe that the fastest species of fish is the Sailfish, Istiophorus platypterus. A fairly compressed body with a long bill and jaws with file-like teeth. It is dark blue above, brownish laterally and silvery below. There are about twenty bars on sides of the body that are made up of bright blue spots.

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More on author: Shaw. Short description Morphology Morphometrics Dorsal spines total : 0; Dorsal soft rays total : ; Anal spines : 2; Anal soft rays : 12 - 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 rays the second small rays ; pectoral fins 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.

Most densely distributed in waters close to coasts and islands Ref. Most likely schools by size. Undergoes spawning migrations in the Pacific.

Feeds mainly on fishes, crustaceans and cephalopods. Caught mainly with longlines, set nets, and sometimes by trolling and harpooning from boats Ref. Utilized fresh, smoked and frozen; also used for sashimi and sushi; eaten broiled and baked Ref.

Life cycle and mating behavior Maturity Reproduction Spawning Eggs Fecundity Larvae Seems to spawn throughout the year in tropical and subtropical waters of the Pacific with peak spawning occurring in the respective local summer seasons. Spawning occurs with males and females swimming in pairs or with two or three males chasing a single female probably a mating behavior. The ripe ovarian eggs are about 0. Eggs shed from captured female in the Indian Ocean averaged 1. FAO species catalogue.

Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date.

FAO Fish. Rome: FAO. Sounds Ciguatera Speed Swim. Estimates based on models Preferred temperature Ref. Phylogenetic diversity index Ref. Trophic Level Ref. Resilience Ref. Vulnerability Ref. Price category Ref. Common name e. Gadus morhua. Istiophorus platypterus Shaw , Indo-Pacific sailfish. Add your observation in Fish Watcher Native range All suitable habitat Point map Year This map was computer-generated and has not yet been reviewed.

Google image. Marine; pelagic-oceanic; oceanodromous Ref. Dorsal spines total : 0; Dorsal soft rays total : ; Anal spines : 2; Anal soft rays : 12 - Oceanic and epipelagic species usually found above the thermocline.

Seems to spawn throughout the year in tropical and subtropical waters of the Pacific with peak spawning occurring in the respective local summer seasons.

Nakamura, I. CMS Ref. Collaborators Pictures Stamps, Coins Misc. Summary page Point data Common names Photos. Preferred temperature Ref. Entered by Luna, Susan M. Modified by Capuli, Estelita Emily. Fish Forum. Sign our Guest Book. Back to Search. Native range All suitable habitat Point map Year This map was computer-generated and has not yet been reviewed.

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Human uses

The Indo-Pacific sailfish Istiophorus platypterus is a sailfish native to the Indian and Pacific Oceans , as well naturalized in the Atlantic. They have a large and sharp bill, which they use for hunting. They feed on tuna and mackerel, some of the fastest fish in the Ocean. Some authorities only recognise a single species of sailfish, I. It is theorized by marine biologists that the 'sail' dorsal fin array of the sailfish may serve the purpose of a cooling and heating system for this fish; this due to a network of a large number of blood vessels found in the sail and because of "sail-raising" behaviour exhibited by the sailfish at or near the surface waters after or before high-speed bursts. Common and widespread in the tropical and sub-tropical Atlantic and Indo-Pacific oceans, ranging into temperate waters. Although targeted in some areas, the species is mostly taken as bycatch by tuna longliners.

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Istiophorus platypterus

More on author: Shaw. Short description Morphology Morphometrics Dorsal spines total : 0; Dorsal soft rays total : ; Anal spines : 2; Anal soft rays : 12 - 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 rays the second small rays ; pectoral fins 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. Most densely distributed in waters close to coasts and islands Ref. Most likely schools by size. Undergoes spawning migrations in the Pacific.

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