EUTHYNNUS LINEATUS PDF

Kazile Sounds Ciguatera Speed Swim. It belongs to the tribe Thunninilinratus known as the tunas. They are covered with thick scales in the front of their body and have no euuthynnus toward the rear. Their meat is dark and they are viewed by locals as unedible.

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Two stray specimens collected in the Hawaiian Islands. Anterior spines of first dorsal fin much higher than those mid-way, giving the fin a strongly concave outline. Interpelvic process small and bifid. Body naked except for corselet and lateral line. Swim bladder absent. A large rounded protuberances on 31st and 32nd vertebrae. Color is generally iridescent blue with black dorsal markings composed of 3 to 5 horizontal stripes. Also with variable black or dark gray spots above the pelvic fins.

Occasionally with extensive longitudinal stripes of light gray on belly; some individuals have few or no belly markings. Inhabits near the surface of coastal waters and offshore waters Ref. Form multi-species schools with Thunnus albacares and Katsuwonus pelamis. An opportunistic predator which shares feeding pattern with other tunas and probably compete for food with other species such as yellowfin tuna, common dolphin, oriental bonito, among others. Nauen, FAO Species Catalogue.

Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish.

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Length: 36 cm 14 in. Black Skipjack, Euthynnus lineatus. Length: 90 cm 2 ft 11 in. Length: 92 cm 3 ft 0 in. The Black Skipjack, Euthynnus lineatus, is one of the most common members of the Mackerel or Scombridae Family , that is known in Mexico as barrilete negro.

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EUTHYNNUS LINEATUS PDF

A few stray specimens have been collected in the Eastern Central Pacific. This species is distinguished by the following characters: medium-sized fish with a robust, elongate and fusiform body; teeth small and conical, in a single series; total gill rakers on first gill arch ; D1 XI-XIV with both dorsal fins separated by only a narrow interspace not wider than eye , anterior spines of first fin much higher than those midway, giving fin a strongly concave outline; D2 much lower than first and followed by finlets; anal fin followed by finlets; pectoral fins short, never reaching interspace between dorsal fins; 2 flaps interpelvic process between pelvic fins; very slender caudal peduncle with a prominent lateral keel between 2 small keels at base of caudal fin; body naked except for corselet and lateral line. Colour of back dark blue with a complicated striped pattern which does not extend forward beyond middle of first dorsal fin; lower sides and belly silvery white; several characteristic dark spots between pelvic and pectoral fins but may not always be present Ref. The young may enter bays and harbors. Forms multi-species schools by size with other scombrid species comprising from to over 5, individuals. A highly opportunistic predator feeding indiscriminately on small fishes, especially on clupeoids and atherinids; also on squids, crustaceans and zooplankton.

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Euthynnus lineatus

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