Pelvic Fins: Fins which are located in front of the anal fin, just under the head.
Pelvic Fins
the paired ventral (towards the back) fins generally positioned between the pectoral and anal fins.
Pharynx
the throat.
Pelvic Fins: Paired fins behind or below the pectoral fins.
pH: A measure of the concentration of hydrogen and hydroxide ions. The pH of a solution measures how acidic or alkaline it is. pH values range from 0 to 14.
Pelvic Fins
A set of fins on a fish located directly below the gills. Not all marine fish have these.
[edit] Pelvic Fins
A pair of fins also known as the ventral fins. One fin is found on each side of the body, positioned on the ventral surface between the head and the vent. On some species of fish it is not present.
Pelvic fins Paired fins on the ventral (lower) surface, usually immediately below the gill covers. Not all marine fish have pelvic fins.
Encyclopedia 1.0 by Rebecca Smallwood
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Pelvic fins of males may show orange-red colour, in females it is yellow
Breeding
Bubble nest builder. The male will care for the fry for the first few days.
Pelvic Fins - Paired fins behind or below the pectoral fins
pH - Is the measurement of how acidic or how much alkaline is in your water.
Phosphate (PO4) - A nutrient which in excess fuels most aquarium algae.
Males have longer pelvic fins, the tip of which extends beyond the origin of the anal fin, the urogenital papilla is positioned just after the anal opening in males.
Ventral Fins - Pelvic Fins. The most posterior (toward the rear of the fish) set of paired fins on the underside of the fish.
Venturi - A simple device for introducing a gas, e.g. air or CO2, into a water stream in a pipe. ...
The anal fin is edged with a blue-green fringe, as are the pelvic fins. The pointed dorsal rays are tipped with orange, that become green before reaching the main part of the fin, which is gold.
> I have what I believe to be a true pair (" male " has long flowing > dorsal, caudal, anal, and pelvic fins > all of which are clear; " female " has shorter fins all around and her > pelvic and anal fins are a deep > red), ...
The anal and pelvic fins are black with neon blue trimming.
The female is basically golden in color with a black dorsal fin edged in gold. The back is black and the balance of the body is golden.
Among their feeding and defensive specializations, they have lost their pelvic fins. Normal swimming is largely by the transparent pectoral fins, with extra guidance and a bit of drive by their symmetrically positioned dorsal and anal fins.
The dorsal, anal, caudal and pelvic fins are bright to wine-red and in adults the dorsal and caudal fins have a white edge which is black in the anal and pelvic fins. The quills are gold to red.
The pectoral fins are positioned immediately behind the operculum or gill cover, while the pelvic fins are further back along the body, approximately midway between the head and the caudal peduncle.
Some individuals are black overall with yellow on the median fins and yellow margins on the pelvic fins.
The top of the snout and the pelvic fins are red, and the other fins have faint red markings on their edges. In addition to this form, albino, black and green morphs are also seen in the aquarium trade.
At the end of each coupling, which is sometimes so acrobatic that a pair can somersault during the 'T' position, the female will purse her pelvic fins, and a single egg, occasionally two, will be seen to be present.
It most of its time walking along the bottom of the tank using its downward facing pectoral fins as front legs and its pelvic fins as hind legs.
Breeding: They are easy to sex, males have long black dorsal and pelvic fins and the females have shorter red colored fins which can cause some confusion with some stores thinking they are two different species.
coccina has black-tipped pelvic fins, where B. livida's are green-tipped. B. brownorum is a smaller fish which has white-tipped pelvic fins and both sexes also have the green spot. B.
Gouramis and Angelfish use their pelvic fins to taste and grope for food, but they also use their feelers as warning devices when coming out of a hiding place.
Members of the family Ostracionidae lack pelvic fins and slowly cruise over the reef grazing upon algae and other encrusting organisms.
The dorsal and pelvic fins are very feather like. The female has shorter fins, but is very attractive by having an overall blush of orange, which is deeper at the tail. Both males and female are covered with spots.
Males can be identified by the orange to red coloration of the pelvic fins, as well as the long dorsal fins that ends in a point. In females the pelvic fins are colorless to yellow, and dorsal fins are shorter and rounder.
The Arothron Dog Face Puffer lacks pelvic fins, but is very maneuverable, using its pectoral, dorsal, and anal fins. Instead of "teeth," it has a fused beak-like structure which it uses to crush prey.
The females form their pelvic fins as a basket and carry the eggs to the chosen place to deposit them. One male forms a T position with the female, stimulating her with his barbells on the ventral region.
Sexual dimorphism:Females are less colorful, and have no red in the pelvic fins. Males have slightly elongated anal and pelvic fins.
Prices: Netherlands: 5-7€.
Paired pectoral and pelvic fins are used primarily for stability when a fish hovers, but sometimes may be used to aid rapid forward motion.
The single (rather than paired like the pelvic fins) fin located on the underside of the fish, behind the anus. Sometimes called the anal fin.
Venturi ...
The paired fins, attached symmetrically to each side of the body, are called pectoral and pelvic fins.
The Blue Dot Toby may also be called the Blue Dot Puffer or Blue Spotted Sharp-nosed Puffer. Members of the Canthigaster genus are called Sharp-nosed Puffers or Tobies. It lacks pelvic fins, ...
Gobies are small fish, reaching an average of 3 to 4 inches in length. The most distinctive aspect of the goby is the fused pelvic fins that form a disc-shaped sucker that they use to perch on rocks.
Subdued light is recommended and can be accomplished through dim lighting or floating plants. Provide plenty of rocks and plants. These Gobys will often sit on rocks and anchor themselves via their pelvic fins.
The fins on a Turquoise Rainbow Fish will be clear to red colored, and males will have some black spots on their dorsal, anal and pelvic fins. The Turquoise Rainbow Fish has a lifespan of roughly five years.
Males have all black dorsal fins and reddish colored pelvic fins.
Plecostomus
The Plecostomus, also known as a Suckermouth Catfish or Pleco is a bottom feeding, algae eating fish.
The dorsal and anal fins are used to keep the fish upright, acting like keels. The caudal fin (tail) provides most of the propulsion for the fish. The paired pectoral and pelvic fins are a means of manoeuvring for the fish.
 See also: Pelvic fin, Fish, Water, Species, Aquarium
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