[permalink] [id link]
The pectoral fins are small and fan-shaped, while the dorsal fin and the anal fin are lengthened, often making the fish as tall as it is long.
from
Wikipedia
Some Related Sentences
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.
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.
The spiny first dorsal fin is normally folded back in a groove, as are its pectoral fins.
Common characteristics include the positioning of the pelvic fins ( if present ), below or in front of the pectoral fins.
They use their large pectoral fins to stabilize themselves on the floor of flowing creeks and rivers.
Their venomous spines are on both dorsal fins, the pectoral fins, pelvic fins, anal fins, and several on the gill cover.
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 caudal fin is rounded, the pectoral fins are fan-shaped, and pelvic fins are narrow with an elongate second fin ray.
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.
pectoral and small
They have a naked, moderately depressed head and an elongated body, covered with small cycloid irregular flakes, with tiny or absent pectoral fins.
The fish have small mouths, relatively large pectoral fins and rounded to lunate tail fins.
Without a true tail to provide thrust for forward motion and equipped with only small pectoral fins, Mola mola relies on its long, thin dorsal and anal fins for propulsion, driving itself forward by moving these fins from side to side.
The pectoral fins are small or nonexistent.
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 dorsal and the anal fins have soft rays and are long based, while the pectoral and ventral fins are small.
It can be distinguished from other large requiem sharks by its relatively small first dorsal fin with a curving rear margin, its tiny second dorsal fin with a long free rear tip, and its long, sickle-shaped pectoral fins.
Their pectoral fins are quite small ; as a result they steer mostly with their dorsal and anal fins, which makes them very maneuverable, and they also use these fins to move with an exotic type of propulsion reminiscent of a propellor.
The pectoral fins are considerably small and the tail flukes have a well-defined median notch.
The large pectoral fins are normally carried horizontally ( rather than vertically as shown for convenience in the illustration ), so that, as seen in the water they may be mistaken for a small shark.
Their bodies are compressed, elongate and scaleless ; the small, slender pelvic fins ( which are absent in only two species ) are situated before the enlarged pectoral fins, and the tail fin is rounded.
Filefish have soft, simple fins with comparatively small pectoral fins and truncated, fan-shaped tail fins ; a slender, retractable spine crowns the head.
Some fish have small eyes and reduced or absent pectoral and pelvic fins for a burrowing lifestyle.
Thresher sharks are fairly slender, with small dorsal fins and large, recurved pectoral fins.
In other tunas with short pectoral fins, such vessels are either not present or present in small numbers along the edges.
In the jewellery of Ancient Egypt, including the pectoral jewels of the Pharaohs, thicker strips form the cloisons, which remain small.
* The small cross of St Cuthbert represents the College's patron saint ( it is modelled on St Cuthbert's own pectoral cross, which is kept in the Treasury at Durham Cathedral ).
The pectoral fins, usually with eight rays, may be large and well-developed to small and degenerate, or completely absent in a few species.
Ocean sunfish, for example, have a completely different system, and many small fish use their pectoral fins for swimming as well as for steering and dynamic lift.
Seadragons have a long dorsal fin along the back and small pectoral fins on either side of the neck, which provide balance.
In all species the fins are spineless and fairly small ; in Dolichopteryx however, the pectoral fins are greatly elongated and wing-like, extending about half the body's length, and are apparently used for stationkeeping in the water column.
The pectoral fins are small, short, and rounded, inserted fairly low on the body and posterior to the pelvics.
0.217 seconds.