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The largest blue marlin caught by IGFA angling rules is from Vitoria, Brazil, which weighed 1,402 lb (636 kg).; [15] fishermen often refer to individual marlins that reach or exceed 1,000 pounds as "granders". Both sexes have 24 vertebrae, of which 11 are precaudal and 13 are caudal. [16] The marlin has two dorsal fins and two anal fins.
White marlin have a set of similar pectoral fins and pelvic fins. These two sets of fin are rounded and wide at the tip. They also have two anal fins which can be used for identification between species. The lateral line on this species is prominent, with a hump above the pectoral fin and extends the length of the fish toward the caudal fin.
The first dorsal fin has between 8 and 10 spines and the second has a single spine and between 10 and 13 soft rays. The anal fin has 3 spines and between 9 and 12 soft rays, [2] and has its origin far to the rear of the origin of the second dorsal fin. The caudal fin is forked and the caudal peduncle has a dense covering of scales. The head and ...
Billfish. The billfish are a group of saltwater predatory fish characterised by prominent pointed bills (rostra), and by their large size; some are longer than 4 m (13 ft). Extant billfish include sailfish and marlin, which make up the family Istiophoridae; and swordfish, sole member of the family Xiphiidae. They are often apex predators which ...
Fish fin. Ray fins on a teleost fish, Hector's lanternfish. (1) pectoral fins (paired), (2) pelvic fins (paired), (3) dorsal fin, (4) adipose fin, (5) anal fin, (6) caudal (tail) fin. Fins are moving appendages protruding from the body of fish that interact with water to generate thrust and help the fish swim. Apart from the tail or caudal fin ...
Acanthurus incipiens Jenkins, 1903. Naso marginatus Valenciennes, 1835. The whitemargin unicornfish (Naso annulatus), also known as the ringtailed unicornfish or short-horned unicorn-fish, is a tropical fish found throughout the Indo-Pacific. It can reach a length of 100 cm, making it one of the largest members of the family Acanthuridae.
The margins of the dorsal, anal and caudal fins are dark and the outer edge of each lobe of the caudal fin is white. Juvenile fish are blue above and silvery below. [3] The maximum recorded total length of the halfmoon is 48 centimetres (19 in). [2] The shape of the caudal fin is said to resemble a crescent moon, leading to the common name. [4]
The caudal fin is forked, as in the pompanos, while the pectoral fin is scythe-like and reaches the middle of the second dorsal fin. [3] The lookdown is silvery on both sides with a darker tinge on top. A young fish has several faint vertical bars that fade as it grows. [3]