A. caudalis is not often offered in the hobby, but is sometimes available from local breeders and aquarium clubs. If anyone has this species in their aquarium and would like to contribute to this profile, please feel free to email me.
Synonyms: Petersius caudalis, Alestopetersius caudalis
First European import: 1954
Description: See pictures ...
Hemigrammopetersius caudalis "Congo Yellow"
Origin and locale/variety: Nkhomo Reef--Malawi, Lake Malawi, East Africa
Size: Adults are usually 2.0 to 3.5 inches in aquarium environment.
Caudal fin
the tail fin.
Caudal peduncle
the narrow area of the body from the posterior (back) end of the anal fin to the base of the caudal (tail) fin.
Caudal: Pertaining to the tail or posterior portion of the body. The caudal fin is the tail fin.
Caudal Filament: A threadlike process at the posterior end of the body.
Caudal Fin: The caudal fin is another name for the tail.
Cannister Filter: A filter which pushes water through an external canister which contains a filter media such as filter floss, polyester or carbon.
Caudal Penduncle : The part of the body which attaches the caudal (tailfin) to the body. The surgeonfish's spines are located on the caudal penduncle.
caudal - The single fin mounted vertically at the rear of the fish. The tail fin.
caudal peduncle - The part of the body which attaches the caudal (tailfin) to the body.
Caudal Fin - The "tail fin." In many species this is the main fin associated with propulsion.
Characins - Loosely, a large group of fishes that includes (the mainly South American) Tetras and also some predators such as the Piranha.
Caudal Peduncle
The name given to the area where the tail of a fish joins the body. Sometimes also called the "wrist".
Body Caudal Fin
Accounts for the primary propulsive forces in 85% of the fish families (Videler 1993).
Anguilliform Locomotion ...
[edit] Caudal
The tail. In some species of fish this can be connected, or appear connected, to the anal fin. The Caudal peduncle refers to the base of the caudal where it connects to the body.
Caudal peduncle Part of fish's body joining the caudal fin to the main body.
Encyclopedia 1.0 by Rebecca Smallwood
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Caudal fin. In most fish, the Caudal or tail fin is the main propelling fin.
Anal fin. Also lends stability in swimming.
Pectoral fins. Locomotion and side to side movement.
Caudal (peduncle) spot:
Is there a spot/patch at the base of the tail?
If so, describe its size and shape.
Does the lateral band merge with it or stop before it gets to it?
Caudal Peduncle - This is the part of the fish that attaches the Caudal (tail fin) to the body of the fish.
· Caudal = see fins
· Cephalopods = Gk word that indicates invertebrate animals (molluscs) with the feet attached on the head (squids, octopi, cowfishes)
· Chemical cues = Odor Olfaction ...
The caudal or tail fin is used for propulsion. Fish that have forked caudal fins are regular fast-swimmers. Fish that have rounded caudal fins are fish capable of quick action like predators.
Their caudal fin is deeply forked. There are usually three pairs of barbels. They possess some bony plates on their head and near their dorsal fins.
Lower caudal peduncle spot — Present
Mid-body line — Present
Red reaches well past gill — No ...
-A rounded caudal fin, instead of truncate like L. cyclurus.
- Lighter overall color; reddish brown with a white belly; instead of wine-red turning to black in L. cyclurus.
Sexing ...
The dorsal and caudal fins of the male are noticeably longer and more pointed than the female. Also quite noticeable in the male, is an extended ray in the middle of the caudal fin that gives the tail the appearance of a trident.
the absence of of caudal transverse bars vs. presence; more anal rays (25-27, mode 27, vs. 23-26, mode 24-25); more subdorsal scales (5 1/2-7, mode 7, vs. 5); more lateral scales (28-30, mode 30, vs. 26-28, mode 27); smaller predorsal length (62.
GENDER: The male's caudal fin is a more vivid red; the female is larger and fuller in the body before spawning, her caudal fin is less vividly coloured.
BREEDING RATIO: 1 male : 1 female
BREEDING WATER: 22-24C (72-76F); pH of 6.5-7; dCH max. 1 ...
PD: A high-backed, laterally compressed cichlid with a fan-shaped caudal fin. The steep forehead gives way to a protruding upper lip and an undershot mouth. The color depends entirely on the geographic population from where the fish is found.
The first is located around the mid-section of the fish, while the last is at the base of the caudal fin. The body, from the gill cover to the stripes, including the forehead, is yellow.
Delta tail: This is where the tail is in the shape of a delta coming off of the caudal peduncle. The spread is measured in degrees and can vary from 50 degrees to 70 degrees.
There are differences at reproduction level, males and females differ as both body size and caudal and anal fins aspect. They are viviparous fish, because the females give birth to living fry.
The body transversely connects to gold and black stripes, which red dots that extend from top to bottom roots of the fish's caudal fins. The colors extend leaving the fish lobes neutral.
Externally, many but not all species possess an adipose fin, a small fleshy fin positioned on the dorsal ridge between the dorsal and caudal fins; in some of the pencilfishes this fin may be present or absent within the same species.
Albino Palaetus and Aeneus cory catfish (Corydoras paleatus and C. aeneus) are being injected with dyes to produce colored spots on the top of the caudal peduncle between the dorsal and caudal (tail) fins.
A thin yellow line edged in neon blue runs horizontally through the middle of the body from behind the gill area to the caudal fin. The tail fin is black with yellow at the outer most edge. The anal and pelvic fins are black with neon blue trimming.
Starting at the gills the body will be blue in color and will merge into green towards the caudal fin. From top to bottom, the base color will be bright green and mix into dark blue. Near the anal fin the color of the body may be solid black.
The third candidate is a rare Veiltail Molly with a long flowing caudal. The fourth candidate is a huge Anableps. The fifth potential winner is a vividly colored Red Swordtail, which is extremely large.
The caudal fin (incorrectly referred to as the tail) supplies propulsion, in conjunction with the rear part of the body.
Lighter gray or whitish shades mark the mouth and the straight outer edge of the caudal fin. The inside of each long pectoral fin is yellowish. The tail has a squared shape.
The Clown Trigger has a black body with large white spots and yellow lips, yellow caudal peduncle, and a yellow dorsal blotch. The yellow dorsal area has black and white markings throughout.
By the time Panda fry reach around 10 to 14 mm, they will acquire the 'Panda eye patches' and the black mark on the caudal peduncle.
The caudal fin is either moderately forked or rounded. Pectoral fins are found just behind the gills.
Males can reach nearly 4 inches in length and at about half that size develop the lyrate caudal fin that is characteristic of the species. The large black patch on the side of the fish is a diagnostic feature of the fish in the steindachneri group.
They are not brightly colored, but there is a slight orange or yellow cast to their main fins (dorsal, caudal).
The fish possesses two sets of paired fins (the pectoral and the pelvics), and two single ones the dorsal and the anal (also known as the median fins) plus the caudal fin.
They have veiltail type tails and double caudal fins. The caudal fins are divided down about 90 percent of their length. Red Oranda Goldfish can have caudal fins that are about one and a half times the length of their bodies.
metae from the river of the same name in Colombia but davidsandsi has a longer snout and the black stripe carries on into the bottom lobe of the caudal fin, while C. metae stops short at the caudal peduncle. The C.
Double Tail: This tail type is a very beautiful one, where the caudal fin is split in the middle, producing two caudal peduncles and what are referred to as tail lobes (fins).
Adults have a golden to yellow head, a black vertical bar behind the tip of the pectoral fin, merging with a broad black area on the upper side, continuing to the top of the caudal peduncle and upper caudal fin and blue underneath.
Lesions usually first appear on the caudal fin and spreads towards the head. The caudal fin and anal fins will get severely eroded. As the disease spreads, the skin is often appears numerous gray-white ulcers.
Swordtails are named for the pointed extension on the males' caudal fin. They are larger than most available livebearers so are not suited to small aquaria. Again these have been selectively bred to produce many different colours and forms.
Folded dorsal or caudal fin
4. Hanging from the surface or lying on the bottom
5. Slow reactions to disturbances
6. Rubbing against surfaces as of trying to scrape something off the body
7. Loss of luster
8.
Breeding Live bearer. Males got a large Caudal fin. Femals give birth to fry once every 2-2.5 weeks. If adequate hiding places exists some fry will survive. For more prodictive breeding isolate pregnant females and return them once fry is born.
The dorsal, caudal and tailfin show a spectacular shade of blue and often hints of green.
The male wraps his body around the females genital area, so that the anal and caudal fins form a cup to receive eggs. The adhesive eggs are then scattered onto plants and other surfaces. The eggs hatch in 3-4 days.
boehlkei, both of which are easily recognized by the black lines originating in the lower half of their caudal (tail) fins and running forward, the shiny Diamond Tetra - Moenkhausia pittieri, and the beautiful, trident-tailed Emperor Tetra - N.
The sharks main means of locomotion is its caudal fin or tail. By sweeping its tail from side to side it creates a movement that pushes the shark forward.
Puffers curl their caudal fin (tail) up against their body. Butterfly fish only erect their dorsal fins when alarmed. This is normal. If in doubt, call us! We'll be happy to give you advice at any time.
Scissortail (Rasbora trilineata): This is a mostly silver fish, with black patches on the caudal fin. It can grow to a very big size, so it should have plenty of space in which to swim around. It is a an very active fish.
Originally greenish, with the male having a single orange caudal fin extension (or sword), the swordtail has now been cross-bred with the platy.
The Halfmoon Triggerfish, also known as the White Tip Triggerfish, or Whitetail Triggerfish, has a brownish-black body with a blue underbelly. Yellow highlights the operculum and caudal fin (tail), which has a white tip.
The white cloud juvenile was once called the 'poor man's neon tetra' because it has a coppery, iridescent stripe that runs lengthwise. The stripe loses the iridescence with age, though, and it turns white, against a brown body. Dorsal and caudal fins ...
of East Africa north of the Zambezi), Lake Tanganyika and probably Malagarazi, Fernando Poo Island. Also known from the lower and middle Zambezi, Pungwe, lower Save, and throughout the Congo system. Dorsal fin absent. Adipose fin close to caudal fin.
 See also: Fish, Water, Species, Caudal Fin, Aquarium
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