Abdomen: The posterior of the three main body divisions.
Abdominal: Pertaining to the abdomen.
Abiotic: The physical and chemical non-living factors in an environment.
Abdomen - The area of the body behind the head and the thoracic segments.
Abdominal - Pertaining to structures on the abdomen.
· Abdomen = The belly or lower surface of a fish, between the pelvic fins and the anus.
Swollen abdomen, bulging scales, bulging eyes can indicate fluid accumulation due to oedema (Dropsy).
More details about diseases and there treatment can be enquired at the Aquarium_club.
Diseases can be caused by Bacteria, Virus, Parasites or Fungus.
The small abdomen is tucked under the lower part of the body. Their pincers are particularly well developed.
Tail of the abdomen in crustaceans
Temperate
A region where the weather is neither extremely hot or extremely cold.
Mantis shrimp brood their young from egg to hatching, under the abdomen. The only time you see free eggs is if the mother has been eaten and lost her load or the eggs have hatched and you are only seeing egg castings.
She will pull her ventral fins or feelers close to the lower sides of her abdomen and her anal fin will be situated so that her entire lower line is relatively straight.
Mature females will have a very rounded abdomen, mature males cloaca region tends to be swollen.
[edit] Tank compatibility ...
The main body color is beige to off-white, as is the abdomen. The abdomen becomes a deep magenta to purple color, surrounded by dark blue-gray areas. The pelvic fins are red, purple, and blue while the anal fins is deep blue and magenta.
The male has a very large dorsal that extends almost to the end of the > tail, the anal fins are the same length, > the pectoral fins are sky blue, there is also a red caudal spot and some red under > the abdomen by the anal fins.
Next, move on to the shape of its abdomen. Is the belly filled out? Don't be alarmed if it's not a perfect ball - not all species are spherical. What you're looking for is a concave stomach.
Females are also with out black on the pelvic and abdomen ventrals. Although some might have a light charcoal marking on the pelvic and abdomen ventrals. These markings are beautiful and very striking.
It looked like there may have been a piece taken out of the abdomen but I wasn't certain. The betta was put on probation. The following afternoon I found another dead rasbora with damage to one of its eyes. This betta does not play well with others! ...
In some spawning instances, the male slips backwards until his abdomen and tail encircles the female's abdomen (at other instances, the caudal peduncle and tail remain firmly wrapped around the female's head).
1993 the abdomen was noticeably enlarged, but the fish was still eating. On August 23 and 24, 1993 the coelomic cavity area was punctured and a cloudy fluid was expelled. The fish was dead on August 26, 1993; it was nine inches long.
Female Guppy abdomens have a dark spot, called the gravid spot, at the rear of the female's abdomen. The color is caused by the baby guppies (actually their eyes) showing through their mother's skin.
The first sign of 'bloat' is loss of appetite which is then followed by swelling of the abdomen, labored breathing, listlessness, reclusiveness, possible red striations on the body, and stringy white feces.
They have a slender body, with medium oblate flanks, a dull mouth; the abdomen is more slender to males than females, especially when they are in the reproduction period. Paracheirodon innesi can reach 4 cm.
The Neon Tetra has a dark olive-green back over a silver-white abdomen.
If a specimen shows chronic, abnormal distention of the abdomen it may be suffering from an internal infestation of nematode worms of the genus Philometra.
The abdomen and post-abdomen (distal to the anus) is generally bent forward under the thorax. The post-abdomen bears two large claws used primarily for cleaning debris out of the carapace.
Guppies and some platys have gravid spots at the bottom of their abdomen. This is a dark spot that generally means fry are present. The black spot is the dark eyes of the babies which show through the skin of the female.
Females are larger and have a more rounded abdomen than the males. When attempting to breed them, a separate breeding tank should be set up with slightly acidic, very soft water (4 dGH or below).
Dropsy - Characterized by a severely swollen or bloated abdomen and is believed to be caused primarily by poor water quality (high nitrate or sodium chloride levels) and malnutrition.
Sexual dimorphism is not known however females often have abdomens filled with eggs. There is no breeding recorded so far.
Eel Loach Diet
Accepts mysis shrimps, brine shrimps, bloodworms, shrimp pellets, etc.
Size ...
Puffers are closely related to Boxfish, and have the ability to inflate their abdomen by gulping water or air quickly, which increases the size of their bodies.
It requires sand as the substrate since its abdomen is easily scratched by a coarser substrate and that could result in an infection. It should never be exposed to copper based medications.
Males tend to be larger and have a spike caudal fin, females will have rounded abdomens. Because of their large size the breeding tank should be a twenty gallon or larger.
Here a female is bending her body to emphasize her swollen abdomen. Despite her "full" look and slightly extended ovipositor, this female will probably not breed for at least another week as she continues to ripen produce additional ripe eggs.
Any fish with open wounds, swollen abdomens or red blotches on the body or finnage is best removed to a treatment tank or vat.
The only preparation spawning that is required is a very good diet before hand. You can tell when a female is ready to spawn because her abdomen will swell tremendously. The male really won't need any conditioning, as they are very easy to induce.
Among the list of older types of african american koi could be the Karasu or even called crow within Japanese. They're black coloured in fins and body however, many were being inseminated with some colouring on their abdomen often light or maybe red.
 See also: Fish, Water, Aquarium, Species, Color
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