Maximum size: 7.5cm/3”. Other décor can consist of some smooth, algae-covered rocks for the adults plus an air-powered, sponge-type filter to provide oxygenation and an additional grazing surface. Join our Mailing List for special discounts and notifications about new and limited stock items. In community aquaria filtered by external units care should be taken when performing filter maintenance as fry can often be found inside. The purchase of several fish will also reduce the likelihood of a particular subdominant individual(s) being singled out, and make the group less nervous of activity outside the tank. Most small rasboras, tetras, hillstream loaches, and other small, peaceful fish are good tankmates for the Reticulated Hillstream Loach, although this species can sometimes bully other hillstream loaches in smaller aquariums. He considered the larger-growing representatives with relatively short pelvic fins (S. elongata and S. diardi) to belong to his new subgenus Diardichthys.

Underside of head and anterior portion of body with heart visible. The male wraps his caudal-fin around the body of the female. In fact, Anubias species are an excellent plant to keep with this loach because Anubias can foster significant biofilm/algae growth in an aquarium with moderate to high lighting. Higher temperatures can be tolerated temporarily with extremely high oxygen content. Some specimens have particularly bright colouration. The adults seem not to predate on the fry once they’re around 5 mm or so in length and they can be left together should you wish. Many of the species are popular for aquaria, species in the genus Sewellia are most commonly sold in the aquaria trade. The act itself involves the pair rising into the water column with pectoral fins entwined before eggs and milt are released directly into the water flow, usually where the current is strongest. The Reticulated Hillstream Loach is one of the hardiest, boldest, and most beautiful hillstream loach species! The Hillstream Loach is not a fussy eater, but you will need to bear it in mind that they have tiny mouths. are arguably the easiest of all loach species to breed in aquaria and success has been achieved with several species. Serov, D. V., 1996 - … Courtship is initiated by the male and involves fluttering displays and chasing of the female. Adult male with tuberculated snout and pectoral-fin rays. Type locality is given as ‘Cochinchine’, which presumably refers to the region of Cochinchina encompassing the country’s southern portion. Head detail of male with pectoral-fin 'fences' visible. The findings are based on CT scans and a new evolutionary map of the hillstream loach family, which includes the only living fish species caught in the act of walking: a rare, blind cavefish known as Cryptotora thamicola, or the cave angel fish. During periods of high rainfall some streams may be temporarily turbid due to suspended material dislodged by increased (sometimes torrential) flow rate and water depth. It is advised to find a filter which has a water flow between 4-5 times the volume of your aquarium. This F1 specimen is a little older still... At 6 months of age the juvenile patterning and body shape have almost disappeared. A large grade of rounded river gravel is best as the many nooks and crannies created allow eggs to develop within without being eaten by the adults and provides refuge for the fry until large enough to escape predation. It will not bother aquarium plants. S. lineolata was first recorded by Diard over 150 years prior to its ‘rediscovery’ in the early-1990s. Other peaceful bottom-dwelling fish are also a possibility, but care must be taken to make sure that the Reticulated Hillstream Loach is not outcompeted for food. Perhaps the most important aspect in a controlled breeding attempt is provision of a suitable, mature substrate. The pectoral and pelvic fins are also relatively short to begin with meaning the young are unable to cling to surfaces in the same way as adults, instead spending all their time on or within the substrate. Hillstream Loach Breeding. The Reticulated Hillstream Loach is a very social species, so it should be kept in groups of 6 or more. Prior to the mid-1990s S. lineolata was the only species in the genus but an upturn in surveys of freshwater fauna in Vietnam and Laos has resulted in the discovery of various new taxa, several of which remain undescribed.

Such a ‘nursery‘ doesn’t have to be very large, requires only strong lighting and in warmer climates can be kept outdoors. ...and the opposite flank of the same specimen. The Butterfly Hillstream Loach is a gorgeous species of gastromyzontid loach native to the riverine fauna of China in Asia. Many of the species are popular for aquaria, species in the genus Sewellia are most commonly sold in the aquaria trade. This fascinating, peaceful fish is an algae and biofilm grazer that is an excellent candidate for the mature subtropical aquarium. [3], Randall, Z.S. Most species are rheophilic, living in swift, clear and well-oxygenated streams. Highly recommended. It is known to usually accept frozen meaty foods, but such foods should only be fed occasionally. The family includes about 202 species. Presumably this is an effective means of downstream dispersal in nature, allowing the fry to develop in quieter waters before migrating upstream to join the adults once approaching maturity. Hillstream loaches live for 8-10 years when properly taken care of in your fish tank.

. In the wild Sewellia spp. Scientists identified 11 species of hillstream loach with walking capabilities using their pelvic structure. Aged driftwood can also be used but avoid new pieces since these usually leach tannins that discolour the water and reduce the effectiveness of artificial lighting, an unwanted side-effect since the latter should be strong to promote the growth of algae and associated microorganisms.

During dominance battles the fish often spar belly-to-belly, in this case through the glass of adjacent tanks. Since it needs stable water conditions and feeds on biofilm this species should never be added to a biologically immature set-up, and a tightly-fitting cover is necessary since it can literally climb glass.eval(ez_write_tag([[468,60],'seriouslyfish_com-large-leaderboard-2','ezslot_9',112,'0','0'])); While regular partial water changes are essential aufwuchs can be allowed to grow on all surfaces except perhaps the viewing pane. A n international team of scientists has identified at least 11 species of fish suspected to have land-walking abilities.. One attempts to dislodge the other by forcing its way under the body - a common technique. Although rarely a feature of the natural habitat aquatic plants can be used with adaptable genera such as Microsorum, Crinum and Anubias spp. The most obvious external characteristics are the shape of the head and body when viewed from above, with females having a comparatively broad body and a snout running almost continuous with the pectoral fins. Spawning can apparently be triggered by raising the temperature to 77-78.8°F/25-26° for a period before conducting a cool water change although in many cases simply performing the latter has proven enough. Dwarf shrimp are particularly good tankmates in larger aquariums where they can find areas of lower water flow. Sexually mature males also develop rows of soft, raised tubercules on the anterior portion of the first 5-6 pectoral-fin rays which have been referred to as ‘fences’ in the hobby, plus additional rows on the dorsal surface of the head. Dominance battles are entertaining to watch and often take place in a belly-to-belly stance with both fish raising their bodies from the substrate in a near-upright position.

The Reticulated Hillstream Loach is primarily a biofilm and algae grazer in nature. This is one of the prettiest and best of the Hillstream Loaches. They’re territorial to an extent with some individuals more protective of their space than others (often a prime feeding spot).
Several species of the family live in fast-flowing streams or torrents and have modified ventral fins used for clinging to rocks. Freyhof and Serov (2000) found S. marmorata and S. patella to exhibit a combination of characters applicable to both subgenera, however, thus Diardichthys is currently considered a synonym of Sewellia. likely to fare best. However subsequent experiments have shown that they can be bred in numbers in very simple quarters using groups of adult fish. Temperature: 68° - 75° F (20° - 23.9° C).

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