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Atlantic bonito
Encyclopedia
The Atlantic bonito, Sarda sarda is a large mackerel
-like fish of the family Scombridae
. It is common in shallow waters of the Atlantic Ocean
where it is an important commercial and game fish.
usually larger in size. Bonito
s (fishes in the genus Sarda
) differ from tuna
by their compressed bodies, their lack of teeth on the roof of the mouth, and certain differences in colouration.
Atlantic bonito share Atlantic waters with the striped bonito
, Sarda orientalis (the Atlantic population of which is sometimes considered a separate species, Sarda velox). The striped bonito has been taken on the Atlantic coast as far north as Cape Cod
. It is similar in its habits, but somewhat smaller than the more common Atlantic bonito. The Atlantic bonito can be distinguished from its relative by its dark oblique stripes on the back and with a maxillary
only about half as long as the head; whereas the striped bonito has striping on its topside nearly horizontal
and a maxillary more than half the length of the head.
Atlantic bonito grow up to 75 cm (30 in) and weighs 5-6 kg (10 to 12 pounds) at this size. The world record is 18 pounds and 4 ounces, and was caught in the Azores.
where it is known as "skipjack" because of its habit of jumping from the water. (However, the name "skipjack" more commonly refers to the skipjack tuna
, Katsuwonus pelamis.) The spawning season is June and specimens 12-15 cm (5-6 inches) long are taken in September off Long Island
.
, menhaden
, alewives
, silversides
, sand lance
, and other fishes, as well as squid
.
for bigger game. Also it is taken in larger numbers in pound nets. Thought by most fishermen to be inferior to tuna as a food fish, possibly because of the greater oiliness. Some of it, nonetheless, is canned
. It can be cut by fishermen and used as bait
.
Mackerel
Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively, from the family Scombridae. They may be found in all tropical and temperate seas. Most live offshore in the oceanic environment but a few, like the Spanish mackerel , enter bays and can be...
-like fish of the family Scombridae
Scombridae
Scombridae is the family of the mackerels, tunas, and bonitos, and thus includes many of the most important and familiar food fishes. The family consists of about 55 species in 15 genera and two subfamilies...
. It is common in shallow waters of the Atlantic Ocean
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
where it is an important commercial and game fish.
Description
Atlantic bonito belong to a group which have the dorsal fins very near, or separated by a narrow interspace. It has the body completely scaled with those scales in the pectoral fin area and the lateral lineLateral line
The lateral line is a sense organ in aquatic organisms , used to detect movement and vibration in the surrounding water. Lateral lines are usually visible as faint lines running lengthwise down each side, from the vicinity of the gill covers to the base of the tail...
usually larger in size. Bonito
Bonito
Bonito is a name given to various species of medium-sized, predatory fish in the Scombridae family. First, bonito most commonly refers to species in the genus Sarda, including the Atlantic bonito and the Pacific bonito ; second, in Japanese cuisine, bonito refers to the skipjack tuna , which, in...
s (fishes in the genus Sarda
Bonito
Bonito is a name given to various species of medium-sized, predatory fish in the Scombridae family. First, bonito most commonly refers to species in the genus Sarda, including the Atlantic bonito and the Pacific bonito ; second, in Japanese cuisine, bonito refers to the skipjack tuna , which, in...
) differ from tuna
Tuna
Tuna is a salt water fish from the family Scombridae, mostly in the genus Thunnus. Tuna are fast swimmers, and some species are capable of speeds of . Unlike most fish, which have white flesh, the muscle tissue of tuna ranges from pink to dark red. The red coloration derives from myoglobin, an...
by their compressed bodies, their lack of teeth on the roof of the mouth, and certain differences in colouration.
Atlantic bonito share Atlantic waters with the striped bonito
Striped bonito
The Striped Bonito is a species of marine perciform fish. They have been recorded at lengths of , though they are commonly no longer than . Distributed through the Eastern and Indo-Pacific, the striped bonito is known to occur at depths from ....
, Sarda orientalis (the Atlantic population of which is sometimes considered a separate species, Sarda velox). The striped bonito has been taken on the Atlantic coast as far north as Cape Cod
Cape Cod
Cape Cod, often referred to locally as simply the Cape, is a cape in the easternmost portion of the state of Massachusetts, in the Northeastern United States...
. It is similar in its habits, but somewhat smaller than the more common Atlantic bonito. The Atlantic bonito can be distinguished from its relative by its dark oblique stripes on the back and with a maxillary
Maxilla
The maxilla is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible , which is also a fusion of two halves at the mental symphysis. Sometimes The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper...
only about half as long as the head; whereas the striped bonito has striping on its topside nearly horizontal
Horizontal plane
In geometry, physics, astronomy, geography, and related sciences, a plane is said to be horizontal at a given point if it is perpendicular to the gradient of the gravity field at that point— in other words, if apparent gravity makes a plumb bob hang perpendicular to the plane at that point.In...
and a maxillary more than half the length of the head.
Atlantic bonito grow up to 75 cm (30 in) and weighs 5-6 kg (10 to 12 pounds) at this size. The world record is 18 pounds and 4 ounces, and was caught in the Azores.
Habits
It is a strong swimmer. Normally it travels in fairly large schools and is common offshore in the vicinity of New York CityNew York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...
where it is known as "skipjack" because of its habit of jumping from the water. (However, the name "skipjack" more commonly refers to the skipjack tuna
Skipjack tuna
The skipjack tuna, Katsuwonus pelamis, is a medium-sized perciform fish in the tuna family, Scombridae. It is otherwise known as the aku, arctic bonito, mushmouth, oceanic bonito, striped tuna, or victor fish...
, Katsuwonus pelamis.) The spawning season is June and specimens 12-15 cm (5-6 inches) long are taken in September off Long Island
Long Island
Long Island is an island located in the southeast part of the U.S. state of New York, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are boroughs of New York City , and two of which are mainly suburban...
.
Food
Atlantic bonito eat mackerelMackerel
Mackerel is a common name applied to a number of different species of fish, mostly, but not exclusively, from the family Scombridae. They may be found in all tropical and temperate seas. Most live offshore in the oceanic environment but a few, like the Spanish mackerel , enter bays and can be...
, menhaden
Menhaden
Menhaden, also known as mossbunker, bunker and pogy, are forage fish of the genera Brevoortia and Ethmidium, two genera of marine fish in the family Clupeidae.-Description:...
, alewives
Alewife
The alewife is a species of herring. There are anadromous and landlocked forms. The landlocked form is also called a sawbelly or mooneye...
, silversides
Silverside (fish)
The Old World silversides are a family, Atherinidae, of fish in the order Atheriniformes. They occur worldwide in tropical and temperate waters...
, sand lance
Sand lance
A sand lance or sandlance is a fish belonging to the family Ammodytidae. Several species of sand lance are commonly known as "sand eels" or "sandeels", though they are not related to true eels. Another variant name is launce, and all names of the fish are references to its slender body and...
, and other fishes, as well as squid
Squid
Squid are cephalopods of the order Teuthida, which comprises around 300 species. Like all other cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and arms. Squid, like cuttlefish, have eight arms arranged in pairs and two, usually longer, tentacles...
.
Fishing technique
It is often captured by tuna fishermen when trollingTroll (angling)
Trolling is a method of fishing where one or more fishing lines, baited with lures or bait fish, are drawn through the water. This may be behind a moving boat, or by slowly winding the line in when fishing from a static position, or even sweeping the line from side-to-side, e.g. when fishing from...
for bigger game. Also it is taken in larger numbers in pound nets. Thought by most fishermen to be inferior to tuna as a food fish, possibly because of the greater oiliness. Some of it, nonetheless, is canned
Canning
Canning is a method of preserving food in which the food contents are processed and sealed in an airtight container. Canning provides a typical shelf life ranging from one to five years, although under specific circumstances a freeze-dried canned product, such as canned, dried lentils, can last as...
. It can be cut by fishermen and used as bait
Bait (luring substance)
Bait is any substance used to attract prey, e.g. in a mousetrap.-In Australia:Baiting in Australia refers to specific campaigns to control foxes, wild dogs and dingos by poisoning in areas where they are a problem...
.