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The pectoral and pelvic fins are also very long and thin, almost spaghetti-like.
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pectoral and pelvic
The pectoral girdle is supported by muscle and the well developed pelvic girdle is attached to the backbone by a pair of sacral ribs.
Originally the pectoral and pelvic girdles, which do not contain any dermal elements, did not connect.
alt = Drawing of a shark labeling major anatomical features, including mouth, snout, nostril, eye, spiracle, dorsal fin spine, caudal keel, clasper, labial furrows, gill openings, precaudal pit and fins: first and second dorsal, anal, pectoral, caudal and pelvic
Coelacanths have 8 fins – 2 dorsal fins, 2 pectoral fins, 2 pelvic fins, 1 anal fin, and 1 caudal fin.
The larvae typically have protective spines on the head, over the gills, and in the pelvic and pectoral fins.
They have a pair of pectoral and pelvic fins.
Common characteristics include the positioning of the pelvic fins ( if present ), below or in front of the pectoral fins.
Their venomous spines are on both dorsal fins, the pectoral fins, pelvic fins, anal fins, and several on the gill cover.
The appendicular skeleton ( 126 bones ) is formed by the pectoral girdles ( 4 ), the upper limbs ( 60 ), the pelvic girdle ( 2 ), and the lower limbs ( 60 ).
Males inspect eggs to remove diseased or infertile eggs, and aerates the clutch by fanning them with its pectoral and pelvic fins.
The caudal fin is rounded, the pectoral fins are fan-shaped, and pelvic fins are narrow with an elongate second fin ray.
* The pectoral fin is very long nearly towards the anal fin, rounded ( best fieldmark ), the pelvic fin is very large, originate posterior of pectoral fin ( whereas slightly caudate in scup, rose fish, cunner and striped bass, below in wreckfish ).
Modern lungfish all have an elongate body with fleshy, paired pectoral and pelvic fins and a single unpaired caudal fin replacing the dorsal, caudal and anal fins of most fishes.
Most of its fins ( dorsal, pectoral, pelvic, and caudal ) have white tips ( juvenile specimens and some adults may lack these ).
The four species of ajolote are unusual in having a pair of forelimbs, but all limbless species have some remnants of the pelvic and pectoral girdles embedded within the body musculature.
He made contributions to a number of classical problems in comparative anatomy, including the origin of the vertebrates the origin of the pectoral and pelvic girdles and paired fins, and the homologies of the frontal and parietal bones in fishes and tetrapods
There are dusky to black tips on the pectoral, pelvic, second dorsal, and anal fins.
Swamp eels are almost entirely finless ; the pectoral and pelvic fins are absent, the dorsal and anal fins are vestigial, reduced to rayless ridges, and the caudal fin ranges from small to absent, depending on species.
* The paired pelvic or ventral fins are located ventrally below the pectoral fins.
Asian arowanas are distinguished from Australian congenerics S. jardinii and S. leichardti by having fewer ( 21-26 ) lateral line scales ( versus 32-36 for the Australian species ), longer pectoral and pelvic fins, and a longer anterior snout.
Although the scales are golden, the anal and caudal fins are reddish-brown. Mature red-tailed golden arowanas have brilliant metallic gold lateral scales, gill covers, bellies, and pectoral and pelvic fin membranes, although the back is dark.
The pelvic fins are large and angular, set forward of the pectoral fins, and are usually a translucent greyish-white colour, tending toward opacity in large fish.
Most species lack pectoral and pelvic fins, adding to their serpentine appearance.
The tail fin is large, rounded and truncate ; the pectoral fins are enlarged and pelvic fins are conspicuously absent.
pectoral and fins
In rays, the pectoral fins have connected to the head and are very flexible.
The pectoral fins are movable and used in maneuvering ; the dorsal fin is fixed and contributes stability, and the tail is used for propulsion, as well as maneuvering.
Swimming water animals such as fish and cetaceans actively use pectoral fins for maneuvering, and dorsal fins contribute stability as the animal swims, propelling and maneuvering with its tail, itself recognizable as a fin.
Catfish are responsible for over 4 % of Jamaican inhabitants ' deaths due to the deadly venom found on the tips of their dorsal and pectoral fins.
alt = Killer whale mother and calf extending their bodies above the water surface, from pectoral fins forward, with ice pack in background
Killer whale pectoral fins are large and rounded, resembling paddles.
Males have significantly larger pectoral fins than females.
It moves by combining pectoral, dorsal, anal, and caudal fins.
Because of this, they are slow-moving and rely on their pectoral, dorsal, anal, and caudal fins for propulsion rather than by body undulation.
alt = Photo of humpback whale with most of its body out of the water and its pectoral fins extended
Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.
The spiny first dorsal fin is normally folded back in a groove, as are its pectoral fins.
They use their large pectoral fins to stabilize themselves on the floor of flowing creeks and rivers.
pectoral and are
The jaws host many sharp teeth, and pectoral fin bones are attached to the lower ribs.
The head and pectoral girdles are covered with large dermal bones.
Again, in most members, the gill plates are covered over with skin, the only gill opening a small slit above the pectoral fin.
Turtles, which are unable to move their ribs, instead use their forelimbs and pectoral girdle to force air in and out of the lungs.
In contrast to a radical mastectomy, the pectoral muscles are spared.
In the case of loose, trailing line, it is possible for the line to cut its way into the fleshy appendages of a manta as it swims, eventually resulting in irreversible injuries such as loss of cephalic fins and damage to pectoral fins, or even death if the wounds are severe enough.
The dorsal fin is reduced to a tiny triangle, and the pectoral fins are longer than the head.
The other typical insignia of most of these prelates, but not all, are the mitre, pectoral cross, and the episcopal ring.
Such CCHE systems are made up of a complex network of peri-arterial venous plexuses that run from the heart and through the blubber to peripheral sites ( i. e. the tail flukes, dorsal fin and pectoral fins ).
The body is long and eel-like, the dorsal fin and pectoral fins are absent, and the anal fin is extremely long and used for movement.
The flying gurnards are a family, Dactylopteridae, of marine fish notable for their greatly enlarged pectoral fins.
They have heavy, protective, scales, and the undersides of their huge pectoral fins are brightly coloured, perhaps to startle predators.
Pelvic fins are absent, and relatively small pectoral fin can be found near the midline, followed the head and gill-covers.
It lacks ventral fins but pectoral fins are present.
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