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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 are mid-sized billfish with a bill that is round in cross section, and distinctly forked caudal fin. [5] Their body structure is designed for fast swimming with a long, streamlined appearance.
Caudal/Tail fins: Also called the tail fins, caudal fins are attached to the end of the caudal peduncle and used for propulsion. The caudal peduncle is the narrow part of the fish's body. The hypural joint is the joint between the caudal fin and the last of the vertebrae. The hypural is often fan-shaped.
Their sunset-colored body turns a deep blue/purple body towards the tail and is marked with electric blue spots, with a yellow caudal fin. A crown jewel in any aquarium, with a price tag to match.
The shape, size, position and colour of the dorsal fin varies with the type of billfish, and can be a simple way to identify a billfish species. For example, the white marlin has a dorsal fin with a curved front edge and is covered with black spots. The huge dorsal fin, or sail of the sailfish is kept retracted most of the time.
The adipose fin is a soft, fleshy fin found on the back behind the dorsal fin and just forward of the caudal fin. It is absent in many fish families, but found in nine of the 31 euteleostean orders ( Percopsiformes , Myctophiformes , Aulopiformes , Stomiiformes , Salmoniformes , Osmeriformes , Characiformes , Siluriformes and Argentiniformes ...
The marlin sucker or spear-fish remora (Remora osteochir) is a species of remora found all over the world in tropical and temperate seas. It can reach up to 40 cm (16 in) in standard length . It normally lives attached to a larger fish; its host preference is for marlins (as the name implies) and sailfishes , but it will attach to other large fish.
The dorsal fin starts just posterior to the skull and extends over most of the body until just before the deeply bifurcated caudal fin. In P. evolutus every fin ray posterior to the apex is slightly shorter than the one preceding it, giving it an dorsally straight, declining form before ending rather abruptly on the final fin ray.