bowfin


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bowfin,

primitive freshwater fish found in the Mississippi basin, the Great Lakes, and E to Vermont. The bowfin has a light covering of rounded, overlapping scales, a large mouth, and sharp teeth. Its swim bladder is capable of functioning as a lung, and the bowfin can survive out of water for a day. It prefers sluggish water and surfaces occasionally to gulp air. The female, up to 2 ft (60 cm) long, lays eggs. The smaller male builds the nest and guards the young after they hatch. Bowfins are also called freshwater dogfish; they are voracious and destructive feeders on fish and invertebrates and are sometimes cannibalistic. As game fish they are good fighters, but they are not regarded as food fish in most parts of the United States. Bowfins are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Actinopterygii, order Amiiformes, family Amiidae.

Bowfin

 

(Amia calva), the only living representative of Amiidae of the superorder Holostei. The bowfin grows up to 60 cm long. The scales are cycloidal; the air bladder is alveolate and serves as a supplementary breathing organ. The fish inhabits shallow, extremely overgrown, and marsh-ridden bodies of water of North America, south of the Great Lakes. It feeds on invertebrates and small fish. The bowfin spawns in spring; the male builds the nest and guards the eggs and young. The newly hatched fish have an adhesive organ on their heads, with which they attach themselves to the nest walls. The female lays 20,000–70,000 eggs. The bowfin has almost no commercial value.

bowfin

[′bō‚fin]
(vertebrate zoology)
Amia calva. A fish recognized as the only living species of the family Amiidae. Also known as dogfish; grindle; mudfish.
References in periodicals archive ?
7 Amiidae bowfin Amia calva Cyprinidae spotfin shiner Cyprinella spiloptera 4 11.
METRIC 1/2 cup 118 mL Butter, softened 1/2 cup 118 mL Cream cheese, softened 1/3 cup 79 mL Anchovy paste 4 tablespoons 59 mL Chives, minced 24 each 24 each Tartlet shells, pre-baked 1 cup 237 mL Bowfin or sturgeon roe (black roe) 1 cup 237 mL Salmon or trout roe (red roe) 8 ounces 227 g Smoked salmon, thinly sliced 1/2 cup 118 mL Sour cream 24 each 24 each Chive spears PREPARATION STEPS: 1.
On the American side, too, it took more than 20 years for the crew of the Bowfin and the American public to learn of the Tsushima Maru's horrific loss, especially the death of the 767 children.
Of those fish species (n = 15) that have been recorded only in rivers in the Pinelands (Table 3), I include the bowfin (Figure 12).
WWII sub USS Bowfin available for self-guided tours.
The bowfin (Amia calva) and the alligator gar (Lepisosteus spatula) occurred (2.
Tickets and parking are available at the USS Bowfin Submarine Museum and Park, located next to the USS Arizona Memorial Visitors Center.
It is also the starting point for visits to the USS Bowfin Submarine Museum & Park (8-5 daily; $8; 423-1341) and the Battleship Missouri Memorial (9-3:55 daily; $14, $6 extra for guided tour; 877/644-4896 or www.
Only rough fish, such as bowfin and gar, thrive in this system, a once-renowned large-mouth bass fishery.
The ceremony was held at Bowfin Submarine Memorial Park in Pearl Harbor, on the brink of the U.
gibbosus), golden shiner (Notemigonus crysoleucas), yellow perch (Perca flavescens), grass pickerel (Esox americanus vermiculatus), bowfin (Amia calva), and yellow bullhead (Ictalurus natalis)] persisted.
HONOLULU -- The USS Bowfin Submarine Museum and Park held a ribbon-cutting ceremony to commemorate the operation of its new 177 kilowatt (kW) roof-mounted solar system.